Trek Indoor Fireplace SSDVPF CNE User Manual
INSTALLATION  
INSTRUCTIONS  
RETAIN THESE INSTRUCTIONS  
FOR FUTURE REFERENCE  
DIRECT VENT  
MULTI-OPEN SERIES  
A French manual is available upon request. Order P/N 700,031CF  
Ce manuel d’installation est disponible en francais, simplement en  
faire la demande. Numéro de la pièce 700,031CF.  
DIRECT VENT GAS FIREPLACE HEATERS  
P/N 700,031M REV. C 11/2006  
This appliance may be installed in an aftermarket  
permanently located, manufactured home (USA  
only) or mobile home, where not prohibited by  
local codes. This appliance is only for use with  
the type of gas indicated on the rating plate. This  
appliance is not convertible for use with other  
gases, unless a certified kit is used.  
MODELS  
Millivolt Models  
Electronic Models  
SSDVST-CNM  
SSDVPF-CNM  
SSDVST-CNE  
SSDVPF-CNE  
In the Commonwealth of Massachusetts:  
• Installation must be performed by a licensed plumber or  
gas fitter;  
• See Table of Contents for location of additional Com-  
monwealth of Massachusetts requirements.  
WARNING: IF THE INFORMATION IN THIS  
MANUAL IS NOT FOLLOWED EXACTLY, A FIRE  
OR EXPLOSION MAY RESULT CAUSING PROP-  
ERTY DAMAGE, PERSONAL INJURY OR LOSS  
OF LIFE.  
AVERTISSEMENT: ASSUREZ-VOUS DE BIEN  
SUIVRE LES INSTRUCTIONS DONNÉ DANS CETTE  
NOTICE POUR RÉDUIRE AU MINIMUM LE RISQUE  
D'INCENDIE OU POUR ÉVITER TOUT DOMMAGE  
MATÉRIEL, TOUTE BLESSURE OU LA MORT.  
POUR VOTRE SÉCURITÉ: Ne pas entreposer ni  
utiliser d'essence ni d'autre vapeurs ou liquides  
inflammables dans le voisinage de cet appareil ou  
de tout autre appareil.  
FOR YOUR SAFETY: Do not store or use gasoline  
or other flammables or liquids in the vicinity of  
this or any other appliance.  
FOR YOUR SAFETY: What to do if you smell gas:  
POUR VOTRE SÉCURITÉ: Que faire si vous sentez  
une odeur de gaz:  
• DO NOT light any appliance.  
• DO NOT touch any electrical switches.  
• Do not use any phone in your building.  
• Immediately call your gas supplier from a  
neighbor’s phone. Follow your gas suppliers  
instructions.  
• Ne pas tenter d'allumer d'appareil.  
• Ne touchez à aucun interrupteur. Ne pas vous  
servir des téléphones se trouvant dans le bati-  
ment où vous vous trouvez.  
• Evacuez la piéce, le bâtiment ou la zone.  
• Appelez immédiatement votre fournisseur de  
gaz depuis un voisin. Suivez les instructions  
du fournisseur.  
• Si vous ne pouvez rejoindre le fournisseur de  
gaz, appelez le service dos incendies.  
• If your gas supplier cannot be reached, call  
the fire department.  
Installation and service must be performed by  
a qualified installer, service agency or the gas  
supplier.  
L'installation et service doit être exécuté par un  
qualifiéinstalleur,agencedeserviceoulefournis-  
seur de gaz.  
OTL Report No. 116-F-32-5  
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These fireplaces are designed as supplemen-  
tal heaters. Therefore, it is advisable to have  
an alternate heat source when installed in a  
dwelling.  
Manifold Gas Supply Pressure  
(millivolt models)  
• • Burner Orifice Sizes (all models)  
Elevation  
Natural Gas Propane Gas  
Feet (meters)  
drill size (inches) drill size (inches)  
Fuel #  
Low  
High  
0-4500  
(0-1372)  
#44 (.086")  
60J8001 •  
#55 (.052")  
*
*
Natural (Lo) 2.2" WC  
(Hi) 3.5" WC  
(.87 kPa)  
19L5201 •  
Millivolt Models - The millivolt appliances are  
manually controlled and feature a spark igniter  
(piezo) that allows the appliance's pilot gas to  
be lit without the use of matches or batteries.  
This system provides continued service in the  
event of a power outage.  
Gas  
(.55 kPa)  
* Standard size installed at factory  
• Part /Cat. Number  
Table 6 • • Each model has two burners & 2 Orifices  
(Lo) 6.3" WC (Hi) 10.0" WC  
(1.57 kPa) (2.49 kPa)  
Propane  
Table 4  
GasValveDiagrams-SeeFigure1 forMillivolt  
models and Figure 2 For Electronic Models.  
Manifold Gas Supply Pressure  
(electronic models)  
Millivolt models come standard with a manu-  
ally-modulated gas valve; flame appearance and  
heat output can be controlled at the gas valve.  
The BTU Input for these appliances is shown  
in Table 1.  
SIT Millivolt Gas Valve  
Fuel #  
Maximum Manifold Pres-  
sure  
HI/LO Variable  
Flame Height  
Adjustment  
Inlet Pressure Tap  
Manifold Pressure Tap  
Natural Gas  
Propane  
(Hi) 3.5" WC (.87 kPa)  
(Hi) 10.0" WC (2.49 kPa)  
O U T I N  
Input (BTU) Manually-Modulated Gas  
Valves (millivolt models)  
Table 5  
I
H
Models  
Fuel Type  
Input Rate  
(BTU / HR)  
O
F
P
I
L
O
L
O
W
T
Test gauge connections are provided on the  
front of the millivolt gas control valve, identi-  
fied IN for the inlet and OUT for the manifold  
side. A 1/8" NPT Test gauge connection  
is provided at the inlet and outlet side of  
the electronic gas control valve.  
O
N
P
I
L
Natural or  
Propane Gas  
37,500 high  
30,000 low  
SSDVST  
SSDVPF  
T
Main Gas Control Knob  
OFF/PILOT/ON  
Pilot Adjustment  
Screw  
Table 1  
Electronic Models - Electronic models have  
a fixed rate gas valve. The BTU input for the  
electronic models is shown in Table 2.  
Figure 1  
Theseappliancesmustbeisolatedfromthe  
gas supply piping system (by closing their  
individualmanualshut-offvalve)duringany  
pressure testing of the gas supply piping  
system at test pressures equal to or less  
than 1/2 psig (3.5 kPa).  
BTU Input - Electronic Models  
Honeywell Electronic Gas Valve  
Input (BTU) - Fixed Rate  
(electronic models)  
Manifold Pressure  
Port  
ON / OFF Switch  
Inlet  
Models  
Fuel Type  
Input Rate  
(BTU / HR)  
Theseappliancesandtheirindividualshut-  
off valves must be disconnected from the  
gassupplypipingsystemduringanypres-  
sure testing of that system at pressures  
greater than 1/2 psig (3.5 kPa).  
Pressure  
Port  
Natural or  
Propane Gas  
SSDVST  
SSDVPF  
37,500  
Table 2  
Orifice Sizes - Sea Level to High Altitude  
(All Models)  
Gas Pressure - All Models  
Electronic Gas  
Control Valve  
Tables 3, 4 and 5 show the appliances' gas  
pressure requirements:  
These appliances are tested and approved for  
installation at elevations of 0-4500 feet (0-1372  
meters)abovesealevelusingthestandardburner  
orifice sizes (marked with an "*" in Table 6). For  
elevations above 4500 feet, contact your gas  
supplier or qualified service technician . Install  
the appliance according to the regulations of  
the local authorities having jurisdiction and, in  
the USA, the National Fuel Gas Code NFPA 54  
/ ANSI Z223.1 - latest edition or, in Canada, the  
CAN1-B149.1 and .2 codes - latest edition.  
Figure 2  
Inlet Gas Supply Pressure  
(all models)  
Fuel #  
Minimum  
Maximum  
New York City, New York (MEA)  
5.0" WC  
(1.24 kPa)  
10.5" WC  
(2.61 kPa)  
Natural Gas  
Installation of these fireplaces are approved  
for installation in New York City in the US state  
of New York.  
11.0" WC  
(2.74 kPa)  
13.0" WC  
(3.23 kPa)  
Propane  
Table 3  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
3
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Note: The following requirements reference various Massachusetts  
and national codes not contained in this document.  
Inspection  
The state or local gas inspector of the side wall horizontally vented gas  
fueledequipmentshallnotapprovetheinstallationunless,uponinspection,  
the inspector observes carbon monoxide detectors and signage installed  
in accordance with the provisions of 248 CMR 5.08(2)(a)1 through 4.  
Requirements for the Commonwealth of Massachusetts  
Forallsidewallhorizontallyventedgasfueledequipmentinstalledinevery  
dwelling, building or structure used in whole or in part for residential  
purposes, including those owned or operated by the Commonwealth and  
where the side wall exhaust vent termination is less than seven (7) feet  
above finished grade in the area of the venting, including but not limited  
to decks and porches, the following requirements shall be satisfied:  
Exemptions  
The following equipment is exempt from 248 CMR 5.08(2)(a)1 through 4:  
• The equipment listed in Chapter 10 entitled “Equipment Not Required  
To Be Vented” in the most current edition of NFPA 54 as adopted by  
the Board; and  
Installation Of Carbon Monoxide Detectors  
• Product Approved side wall horizontally vented gas fueled equipment  
installed in a room or structure separate from the dwelling, building  
or structure used in whole or in part for residential purposes.  
At the time of installation of the side wall horizontal vented gas fueled  
equipment, the installing plumber or gasfitter shall observe that a hard  
wired carbon monoxide detector with an alarm and battery back-up is  
installed on the floor level where the gas equipment is to be installed.  
In addition, the installing plumber or gasfitter shall observe that a bat-  
tery operated or hard wired carbon monoxide detector with an alarm is  
installed on each additional level of the dwelling, building or structure  
served by the side wall horizontal vented gas fueled equipment. It shall  
be the responsibility of the property owner to secure the services of  
qualified licensed professionals for the installation of hard wired carbon  
monoxide detectors.  
MANUFACTURER REQUIREMENTS  
Gas Equipment Venting System Provided  
When the manufacturer of Product Approved side wall horizontally  
vented gas equipment provides a venting system design or venting sys-  
tem components with the equipment, the instructions provided by the  
manufacturer for installation of the equipment and the venting system  
shall include:  
In the event that the side wall horizontally vented gas fueled equipment  
is installed in a crawl space or an attic, the hard wired carbon monoxide  
detector with alarm and battery back-up may be installed on the next  
adjacent floor level.  
• Detailed instructions for the installation of the venting system design  
or the venting system components; and  
• A complete parts list for the venting system design or venting sys-  
tem.  
In the event that the requirements of this subdivision can not be met at  
the time of completion of installation, the owner shall have a period of  
thirty (30) days to comply with the above requirements; provided, how-  
ever, that during said thirty (30) day period, a battery operated carbon  
monoxide detector with an alarm shall be installed.  
Gas Equipment Venting System NOT Provided  
When the manufacturer of a Product Approved side wall horizontally  
vented gas fueled equipment does not provide the parts for venting the  
fluegases, butidentifies“specialventingsystems”, thefollowingrequire-  
ments shall be satisfied by the manufacturer:  
Approved Carbon Monoxide Detectors  
Each carbon monoxide detector as required in accordance with the  
above provisions shall comply with NFPA 720 and be ANSI/UL 2034  
listed and IAS certified.  
• Thereferenced“specialventingsystem”instructionsshallbeincluded  
with the appliance or equipment installation instructions; and  
• The “special venting systems” shall be Product Approved by the  
Board, and the instructions for that system shall include a parts list  
and detailed installation instructions.  
Signage  
A metal or plastic identification plate shall be permanently mounted to  
the exterior of the building at a minimum height of eight (8) feet above  
grade directly in line with the exhaust vent terminal for the horizontally  
vented gas fueled heating appliance or equipment. The sign shall read, in  
print size no less than one-half (1/2) inch in size, “GAS VENT DIRECTLY  
BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS.”  
A copy of all installation instructions for all Product Approved side wall  
horizontally vented gas fueled equipment, all venting instructions, all  
parts lists for venting instructions, and/or all venting design instructions  
shall remain with the appliance or equipment at the completion of the  
installation.  
• Installation and repair must be done by a plumber or gas fitter licensed  
in the Commonwealth of Massachusetts.  
• The flexible gas line connector used shall not exceed 36 inches (92  
centimeters) in length.  
• The individual manual shut-off must be a T-handle type valve.  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
4
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SAFETY & WARNIING INFORMATION  
IMPORTANT  
AVERTISSEMENT  
Surveiller les enfants. Garder les  
vêtements, lesmeubles, l'essence  
ouautres liquidesà vapeur inflam-  
mables lin de l'appareil.  
These appliances must not be  
connected to a chimney or flue  
serving a separate solid fuel  
burning appliance.  
WARNING  
If the information in this  
manual is not followed  
exactly,afireorexplosion  
may result causing prop-  
erty damage, personal  
injury or loss of life.  
WARNING  
Do not place clothing or other  
flammable materials on or near  
this appliance.  
WARNING  
This appliance may only be fitted  
with doors certified for use with  
the appliance.  
WARNING  
AVERTISSEMENT  
Pourutilisationuniquementavec  
les portes en verre certifiêes  
avec l'appareil.  
These fireplaces are vented heat-  
ers. Do not burn wood or other  
material in these appliances.  
WARNING  
Failuretocomplywiththeinstal-  
lationandoperatinginstructions  
provided in this document will  
result in an improperly installed  
andoperatingappliance,voiding  
its warranty. Any change to this  
appliance and/or its operating  
controlsisdangerous. Improper  
installation or use of this appli-  
ance can cause serious injury or  
deathfromfire,burns,explosion  
or carbon monoxide poisoning.  
WARNING  
WARNING  
This appliance is only for use  
with the type of gas indicated on  
the rating plate. This appliance  
is not convertible for use with  
other gases, unless a certified  
kit is used.  
Carbon monoxide poisoning:  
early signs of carbon monoxide  
poisoning are similar to the flu  
withheadaches,dizzinessand/or  
nausea. If you have these signs,  
obtainfreshairimmediately.Turn  
offthegassupplytotheappliance  
and have it serviced by a quali-  
fied professional, as it may not  
be operating correctly.  
AVERTISSEMENT  
WARNING  
Cet appareil doit être utilisé  
uniquement avec les types de  
gaz indiqués sur la plaque sig-  
nalétique. Ne pas l'utiliser avec  
d'autres gaz sauf si un kit de con-  
version certifié est installé.  
Do not attempt to alter or modify  
the construction of the appli-  
ance or its components. Any  
modification or alteration may  
void the warranty, certification  
and listings of this unit.  
WARNING  
Do not use these appliances if  
any part has been under water.  
Immediately call a qualified,  
professional service technician  
to inspect the appliances and to  
replace any parts of the control  
system and any gas controls  
which have been under water.  
WARNING  
Children and adults should be  
alerted to the hazards of high  
surface temperatures. Use  
caution around the appliance  
to avoid burns or clothing igni-  
tion. Young children should be  
carefully supervised when they  
are in the same room as the  
appliance.  
COLD CLIMATE INSULATION  
For cold climate installations, seal all cracks  
around the appliance with noncombustible  
material and wherever cold air could enter  
the room. It is especially important to insulate  
outside chase cavity between studs and under  
floor on which the appliance rests, if floor is  
above ground level. Gas line holes and other  
openings should be caulked or stuffed with  
unfaced fiberglass insulation. If the fireplace  
is being installed on a cement slab, in cold  
climates, a sheet of plywood or other raised  
platform can be placed underneath to prevent  
conductingcoldupintotheroom.Italsohelpsto  
sheetrockinsidesurfacesandtapeformaximum  
air tightness and caulk firestops.  
AVERTISSEMENT  
Ne pas se servir de cet appar-  
eil s'il a été plongé dans l'eau,  
complètement ou en partie.  
Appeler un technicien qualifié  
pour inspecter l'appareil et rem-  
placer toute partie du système de  
contrôle et toute commande qui  
ont été plongés dans l'lau.  
Note: An Optional Screen Door or  
ScreenPanelfortheglassisavail-  
able(seeHomeownersManualfor  
ordering information).  
5
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LOCATION  
MANUFACTURED HOME  
REQUIREMENTS  
In selecting the location, the aesthetic and functional use of the appliance are primary concerns.  
However, vent system routing to the outside atmosphere and access to the fuel supply are also im-  
portant. Consideration should be given to traffic ways, furniture, draperies, etc., due to high surface  
temperatures (see illustrations). The location should also be free of electrical, plumbing or other  
heating / air conditioning ducting.  
This appliance may be installed in an after-  
market permanently located, manufactured  
home (USA only) or mobile home, where not  
prohibited by local codes.  
These direct vent appliances are uniquely suited for installations requiring a utility shelf positioned  
directly above the fireplace. Utility shelves like these are commonly used for locating television sets  
and decorative plants. Be aware that this is a heat producing appliance. Objects placed above  
the unit are exposed to elevated temperatures.  
This appliance may be installed as an OEM  
installation in a manufactured home (USA  
only) or mobile home and must be installed  
in accordance with the manufacturer's  
instructions and the Manufactured Home  
Construction and Safety Standard, Title 24  
CPF, Part 3280 or Standard for Installa-  
tion in Mobile Homes, CAN/CSA Z240 MH.  
If a shelf is to be installed above appliance, see Shelf Height Minimum Clearances (Figure 8 on  
Page 9).  
The appliance should be mounted on a fully supported base extending the full width and depth of the  
appliance. The appliance may be located on or near conventional construction materials. However, if  
installed on combustible materials, such as carpeting, vinyl tile, etc., a metal or wood barrier covering  
the entire bottom surface of the appliance must be used.  
Cet appareil peut être installé comme du  
matérield'originedansunemaisonpréfabri-  
quée(É.-U.seulement)oumobile etdoitêtre  
installé selon les instructions du fabricant  
et conformément à la norme Manufactured  
HomeConstructionandSafetyStandard,Title  
24 CPF, Part 3280 ou à la norme CAN/CSA  
Z240 Série MM, Maisons Mobiles.  
Cet appareil peut être installé dans un maison  
préfabriquée (É.-U. seulement) ou mobile déjà  
installée à demeure si les réglements locaux  
le permettent.  
Offset Venting  
Vertical  
Venting  
(one end flush  
with wall)  
Manufactured Home installations must be  
installed in accordance with these instructions  
and the following standards / codes:  
• Manufactured Home Construction and  
Safety Standard Title 24 CFR, Part 3280, or  
the current Standard for Fire Safety Criteria  
for Manufactured Home Installations, Sites  
and Communities ANSI / NFPA 501A in the  
USA, andCAN/CSAZ240MHMobileHome  
Standard in Canada  
Vertical  
Vent  
Horizontal Vent  
(top vent)  
Horizontal Vent  
(side vent)  
• (when applicable) The American National  
Standard for Manufactured Homes (NCS-  
BCS / ANSI A225.1 - latest edition).  
Figure 3  
CAUTIONS  
ManufacturedHomeInstallations:Ensurethatthecrossmembersarenotcutorweakenedduringinstallation.  
The structural integrity of the manufactured home floor, wall, and ceiling / roof must be maintained.  
This appliance must be grounded to the chassis of the manufactured home in accordance with local codes  
or in the absence of local codes, with the National Electrical Code ANSI / NFPA 70 - latest edition or the  
Canadian Electrical Code CSA C22.1 - latest edition.  
6
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
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VENT TERMINATION CLEARANCES  
Horizontal Vent Termination Clearances  
These instructions should be used as a guideline and do not supersede local codes in any  
way. Install vent according to local codes, these instructions, the current National Fuel Gas  
Code (ANSI-Z223.1) in the USA or the current standards of CAN/CGA-B149.1 and -B149.2 in  
Canada.  
The horizontal vent termination must have  
a minimum of 3" (76 mm) clearance to any  
overhead combustible projection of 2 1/2" (64  
mm) or less. See Figure 5. For projections  
exceeding 2 1/2" (64 mm), see Figure 5. For  
additional vent location restrictions refer to  
Figure 6 on Page 8.  
Terminate multiple vent terminations according to the installation codes listed above.  
Terminate single vent caps relative to building components according to Figure 4.  
Horizontal Vent Termination Clearances  
Vertical Vent Termination Clearances  
Combustible Projection  
2-1/2 inches or less in length  
TERMINATION HEIGHTS FOR VENTS ABOVE  
Termination Heights For Vents  
FLAT OR SLOPED ROOFS  
Combustible Projection greater  
than 2-1/2 inches in length  
Above Flat Or Sloped Roofs  
Horizontal Overhang  
Ref. NFPA 54 / ANSI Z223.1, 7.6  
Ventilated  
2 FT  
Vertical  
Wall  
Roof Pitch  
Flat to 6/12  
* Feet *Meters  
Soffit  
Unventilated  
Soffit  
MIN.  
2 FT MIN.  
1.0  
1.25  
1.5  
2.0  
2.5  
3.25  
4.0  
5.0  
6.0  
7.0  
7.5  
8.0  
0.3  
Lowest  
Discharge  
Opening  
6/12 to 7/12  
0.38  
0.46  
0.61  
0.76  
0.99  
1.22  
1.52  
1.83  
2.13  
2.29  
2.44  
3"  
18"  
12"  
(76 mm)  
Vent  
Termination  
(457 mm)  
(305 mm)  
7/12 to 8/12  
8/12 to 9/12  
H*  
Storm Collar  
Flashing  
X
9/12 to 10/12  
10/12 to 11/12  
11/12 to 12/12  
12/12 to 14/12  
14/12 to 16/12  
16/12 to 18/12  
18/12 to 20/12  
20/12 to 21/12  
Note - See Figure 34 on  
Page 20 for the exterior  
wall recess allowances  
of the square horizontal  
termination.  
12  
Roof Pitch is X/12  
Termination Kit  
1 inch (25.4 mm) Minimum  
Clearance to Combustibles  
Side Elevation View  
Concentric  
Vent Pipe  
*H = MINIMUM HEIGHT FROM ROOF TO  
LOWEST DISCHARGE OPENING OF VENT  
Figure 5  
The vent / air intake termination clearances above the high  
side of an angled roof is as shown in the following chart:  
Figure 4 - Gas Vent Rule  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
7
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VENT TERMINATION CLEARANCES  
EXTERIOR HORIZONTAL VENT TERMINATION CLEARANCE REQUIREMENTS  
See Item D in the Text Below.  
Center Line  
Exterior Wall  
Inside  
Corner Detail  
of Termination  
*18”  
Horizontal  
G
Termination  
18”  
V
Ventilated Soffit  
A
Inside Corner  
= 9" in U.S.  
= 12" in Canada  
A
DETAIL D  
H
3 ft.  
X
B
B
B
E
D
C
C
A
A
V
V
Fixed  
Operable  
Window  
V
L
V
Closed  
3 ft.  
Window  
V
F
J
M
V
C
C
B
B
V
I
A
X
= Air Supply Inlet  
= Vent Terminal  
= Area where Terminal is NOT permitted  
V
Minimum Clearances  
Canadian Installation *  
US Installation **  
A = Clearance above grade, veranda, porch, deck 12 inches (30 cm) *  
or balcony.  
12 inches (30 cm) **  
B = Clearance to window or door that may be 6 in. (15.2 cm) for appliances < 10,000 BTU/hr (3kW),  
6 in. (15.2 cm) for appliances < 10,000 BTU/hr (3kW),  
opened.  
12 in. (30 cm) for appliances > 10,000 BTU/hr (3kW) and < 9 in. (23 cm) for appliances > 10,000 BTU/hr (3kW) and <  
100,000 BTU/hr (30kW), 36 inches (91 cm) for appliances 50,000 BTU/hr (15kW), 12 inches (30 cm) for appliances  
> 100,000 BTU/hr (30kW)*  
> 50,000 BTU/hr (15kW)*  
C = Clearance to permanently closed window  
12 inches (305 mm) recommended to prevent window 9 inches (229 mm) recommended to prevent window  
condensation  
condensation  
D = Vertical clearance to ventilated soffit located 18 inches (458 mm)  
abovetheterminalwithinahorizontaldistanceof18  
18 inches (458 mm)  
in. (458 mm) from the center line of the terminal  
E = Clearance to unventilated soffit  
F = Clearance to outside corner  
G = Clearance to inside corner  
12 inches (30 cm)  
5 inches (12.7 cm)  
6 in. (15 cm)  
12 inches (30 cm)  
5 inches (12.7 cm)  
6 in. (15 cm)  
H = Clearance to each inside of center line extended 3 feet (91 cm) within a height of 15 feet above the meter / 3 feet (91 cm) within a height of 15 feet above the meter  
above meter / regulator assembly  
regulator assembly *  
/ regulator assembly **  
I = Clearance to service regulator vent outlet  
3 feet (91 cm) *  
3 feet (91 cm) **  
J = Clearance to non-mechanical air supply inlet 6 in. (15.2 cm) for appliances < 10,000 BTU/hr (3kW), 12 6 in. (15.2 cm) for appliances < 10,000 BTU/hr (3kW), 9  
to building or the combustion air inlet to any other in. (30 cm) for appliances > 10,000 BTU/hr (3kW) and < in. (23 cm) for appliances > 10,000 BTU/hr (3kW) and <  
appliance  
100,000 BTU/hr (30kW), 36 inches (91 cm) for appliances 50,000 BTU/hr (15kW), 12 inches (30 cm) for appliances  
> 100,000 BTU/hr (30kW)*  
> 50,000 BTU/hr (15kW)*  
K = Clearance to mechanical air supply inlet  
6 feet (1.8 meters) *  
3 feet (91 cm) above, if within 10 feet (3 m) horizon-  
tally**  
L = Clearance above paved sidewalk or paved 7 feet (2.13 m) ‡  
driveway located on public property  
7 feet (2.13 m) ‡  
M = Clearance under veranda, porch, deck or 12 in. (30 cm) * ‡  
balcony  
12 in. (30 cm) ** ‡  
* In accordance with the current CSA-B149.1 National Gas and B149.2 Propane Installation Code - Latest Editions.  
** In accordance with the current ANSI Z223.1 / NFPA 54 National Fuel Codes - Latest Edition.  
‡ A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and serves both dwellings.  
*‡ Only permitted if veranda, porch, deck or balcony is fully open on a minimum 2 sides beneath the floor.  
Figure 6  
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE  
8
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Appliance and Vent Clearances  
MINIMUM CLEARANCES TO COMBUSTIBLES  
Hearth Extension - A hearth extension is not required with this appliance. If a hearth extension is used,  
do not block the lower control compartment access door. Any hearth extension used is for appearance  
only and does not have to conform to standard hearth extension installation requirements.  
Maintain clearances from appliance to  
combustible materials as detailed in Table 7,  
withthefollowingexception:Whentheappliance  
is installed with one side flush with a wall, the  
wall on the other side of the appliance must not  
extend beyond the front edge of the appliance.  
In addition, when the appliance is installed in  
themiddleofaroom,thesidewallssurrounding  
the appliance must not extend beyond the front  
edge of the appliance. See Figure 3.  
Wall Finishes / Surrounds / Mantels  
Note: Combustible wall finish materials and/or surround materials must not be allowed to encroach  
the area defined by the appliance front and back faces (black sheet metal). Never allow combustible  
materials to be positioned in front of or overlapping the appliance front and back faces. See Figure  
57 on Page 30.  
Non-combustible materials, such as surrounds and other appliance trim, may be installed on the  
appliance front and back faces with the following exception: If the optional radiant panels are  
installed, the non-combustible material may cover any portion of the top radiant panel or the air  
gaps surrounding the top radiant panel down to the top edge of eyebrow hood. The material must  
NOT cover any portion of the glass door or louvered panels.  
MINIMUM CLEARANCES Inches (millimeters)  
Sides  
Top Spacers  
Floor  
1/2 (13)  
0 (0)  
Vertical installation clearances to combustible mantels vary according to the depth of the mantel. See  
Figure 7. Mantels constructed of non-combustible materials may be installed at any height above the  
appliance opening; however, do not allow anything to hang below the hood.  
0 (0)  
Bottom of Appliance  
To Ceiling  
64 (1626)  
Mantel Depth  
Minimum Mantel Clearances  
14 (356)  
3 (76) Top *  
1 (25.4) Sides & Bottom  
Vent  
12 (305)  
10 (254)  
8 (203)  
6 (152)  
inches (millimeters)  
SERVICE CLEARANCES Feet (meters)  
Front & Back Faces  
3 ft. (0.9 m)  
Table 7  
Top of  
Appliance  
*Note: 3 in. (75 mm) above any horizontal /  
inclined vent component.  
4 (102)  
12 10  
8
6
4
2
Side Clearances  
(305) (254) (203) (152) (102) (51)  
Combustible materials may project beyond the  
sides of the fireplace opening as long as they  
are kept within the shaded areas illustrated in  
Figure 9.  
Hood  
Front or Rear Face  
of Appliance  
Figure 7  
Combustible Materials Allowed In  
Shaded Area “Safe Zone.” Com-  
bustible Walls shown in dark gray.  
At 14" mini-  
Do not insulate this space  
above the appliance.  
Top View  
Fireplace  
At 8-1/4" side  
wall clearance,  
a combustible  
wall can project  
12"  
mum side wall  
clearance, a  
Do not insulate this space  
above the appliance.  
combustible wall  
can project to any  
length.  
Shelf Height  
(see table)  
Shelf Height  
(see table)  
45o  
5
(127)  
Shelf Above Fireplace With Side Venting  
Shelf Above Fireplace With Top Venting  
To achieve the lowest possible shelf height, use the side vent outlet. Do not insulate space between  
appliance and the area above it. Maintain the minimum height from appliance base to the underside  
of combustible materials (used to construct a utility shelf) as shown here.  
12 (305)  
19 (483)  
SSDVST & SSDVPF Shelf Height - Inches (millimeter)  
Side Vent - Straight Out Back  
Secure Vent & Secure Flex  
41-1/8 (1045)  
Top Vent - with One 90 Degree Elbow  
Protected wall  
shown in white  
14  
(356)  
8-1/4  
(209)  
Secure Vent  
Secure Flex  
Minimum Distance to  
Unprotected Side Wall  
53-7/8 (1366)  
55-5/8 (1410)  
Inches (millimeters)  
Figure 8 - Shelf Height Minimum Clearances  
Figure 9  
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If the appliance is to be elevated above floor  
level, a solid continuous platform must be  
constructed. Headers may be in direct contact  
with the appliance top spacers but must not be  
supportedbythemornotchedtofitaroundthem.  
All construction above the appliance must be  
self supporting, DO NOT USE THE APPLIANCE  
FOR STRUCTURAL SUPPORT.  
DETAILED INSTALLATION STEPS  
Proper Sizing of Gas Line  
1. Remove the shipping carton.  
2. Remove the top louvered panel and locate the  
pressure relief plates.  
Properly size and route the gas supply line  
from the supply regulator to the area where the  
appliance is to be installed per requirements  
outlined in the National Fuel Gas Code, NFPA  
54 - latest edition (USA) or B149 - latest edition  
(Canada). Neverusegalvanizedorplasticpipe.  
Refer to Table 8 for proper sizing of the gas  
supply line, if black iron pipe is being used. Gas  
lines must be routed, constructed and made  
of materials that are in strict accordance with  
local codes and regulations. We recommend  
that a qualified individual such as a plumber  
or gas fitter be hired to correctly size and route  
the gas supply line to the appliance. Installing  
a gas supply line from the fuel supply to the  
applianceinvolvesnumerousconsiderationsof  
materials,protection,sizing,locations,controls,  
pressure,sediment,andmore.Certainlynoone  
unfamiliarandunqualifiedshouldattemptsizing  
or installing gas piping.  
3. Lift the pressure relief plates and remove  
the cardboard from beneath each plate (be  
careful not to damage the white gasket). See  
Figure 10.  
* NOTE: INSTALLATION DIAGRAMS AND  
INSTRUCTIONS SHOW THE FRONT OF  
THE APPLIANCE AS THE SIDE WHICH HAS  
VALVE ACCESS, EXCEPT WHERE NOTED.  
Side Nailing Flanges  
The fireplace should be secured to the fram-  
ing at the side(s) of the appliance using the  
factory-provided nailing flanges. Install the 8  
nailing flanges as shown in Figure 11 using the  
existing screws. Position the fireplace within  
the framing. When required, the tabs may be  
bent 90 degrees by hand or with the assistance  
of a hammer. Use wood screws to secure the  
nailing flanges to the framing. See Table 7 on  
Page 9 for clearances of framing members  
to cabinet parts. The nailing flange itself can  
directly contact framing.  
Pressure Relief Plates  
REMOVE  
REMOVE  
D
G
BOAR  
CARD  
D
G
BOAR  
CARD  
E
USIN  
BEFOR  
E
USIN  
BEFOR  
Floor Nailing Tabs - Secure the fireplace to the  
floor as shown in Figure 11.  
Remove Cardboard Before  
Using Appliance  
Schedule 40 / Black Iron Pipe  
Inside Diameter (Inches)  
Schedule 40 Pipe  
Length (feet)  
Natural  
Gas  
Propane  
Gas  
SSDVST Shown (SSDVPF - No nailing  
flanges on end with glass panel)  
Figure 10  
Remove these screws and use them  
when installing nailing flanges.  
0-10  
10-40  
1/2  
1/2  
1/2  
3/4  
3/4  
3/8  
1/2  
1/2  
1/2  
1/2  
TYPICAL INSTALLATION SEQUENCE  
40-100  
The typical sequence of installation follows,  
however, each installation is unique resulting  
in variations to those described.  
100-150  
150-200  
Table 8  
SeethePagenumbersreferencesinthefollow-  
ing steps for detailed procedures.  
Step 1. (Page 10) Construct the appliance fram-  
ing. Position the appliance within the framing and  
secure with nailing flanges.  
Notes:  
• All appliances are factory-equipped with a  
flexiblegaslineconnectorand1/2inchshutoff  
valve (see Figure 47 on Page 27).  
Nailing Flanges  
Step 2. (Page 10) Route gas supply line to appli-  
ance location.  
Turn nailing tabs down and secure to floor with 8d  
nails or other appropriate fasteners on both sides of  
appliance which do not have viewing glass panels.  
• See Massachusetts Requirements on Page  
3 for additional requirements for installations  
in the state of Massachusetts in the USA.  
• The gas supply line should Not be connected  
to the appliance until Step 6 (Page 27).  
• Apipejointcompoundratedforgasshouldbe  
used on the threaded joints. Ensure propane  
resistant compounds are used in propane  
applications. Be very careful that the pipe  
compound does not get inside the pipe.  
• It is recommended to install a sediment trap  
in the supply line as close as possible to the  
appliance (see Figure 47). Appliances using  
Propane should have a sediment trap at the  
base of the tank.  
Step 3. (Page 13) Install the vent system and  
exterior termination.  
Step 4.(Page 25) Field Wiring  
Figure 11 - Nailing Flanges  
a. Millivolt Appliances – Install the OFF/ON  
burner control switch.  
Step 2. ROUTING GAS LINE  
Routeagaslinealongtheinsideoftherightside  
framing as shown in Figure 12. Gas lines must  
be routed, constructed and made of materials  
that are in strict accordance with local codes  
and regulations.  
b. Electronic Appliances – Connect 120 VAC  
electrical power to the appliance receptacle.  
Step 5. (Page 26) Install blower kit (optional  
equipment).  
Step 6.( Page 27) Make connection to gas  
supply.  
Step 7. (Page 28) Checkout appliance operation.  
Step 8. (Page 28) Install embers, volcanic stone  
and embers.  
Step 9. (Page 29) Install glass enclosure pan-  
els.  
Also see  
Figures 13 & 14  
• Checkwithlocalbuildingofficialforlocalcode  
requirements(i.e.arebelowgradepenetrations  
of the gas line allowed?, etc).  
Step10.(Page29)Adjustburnerprimaryairshutter  
to achieve proper flame appearance.  
Step 11(Page 30) Install the decorative trim and  
hoods.  
IMPORTANT: If propane is used, be aware that  
if tank size is too small (i.e. under 100-lbs, if  
this is the only gas appliance in the dwelling.  
Ref. NPFA 58), there may be loss of pressure,  
resulting in insufficient fuel delivery (which  
can result in sooting, severe delayed ignition  
or other malfunctions). Any damage resulting  
from an improper installation, such as this, is  
not covered under the limited warranty.  
3-1/8"  
(79 mm)  
5-5/8"  
(143 mm)  
Step 1. FRAMING  
FrametheseappliancesasillustratedinFigures  
13 & 14. All framing details must allow for a  
minimum clearance to combustible framing  
members as shown in Table 7 on Page 9.  
Figure 12 - ROUTE GAS LINE  
10  
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FIREPLACE SPECIFICATIONS - SSDVST (SEE-THROUGH)  
SPECIFICATIONS  
• Inches (millimeters)  
•
Minimum Framing Stud Size is 2 x 4  
• See side views of fireplace below for  
gas line inlet location options.  
11-3/8  
(289)  
Natural & Propane  
Gas BTU Input  
37,500  
(MV Low 30,000)  
**25-1/4  
(641)  
4-1/2" Inner  
7-1/2" Outer  
10-1/2  
(267)  
Co-axial DV Vent Size  
Vent Framing  
- Top Vent With  
One 90º Elbow  
Dimension A  
Vent Center - Top  
Vent with one 90  
degree elbow  
Secure Vent 47-1/8 (1194)  
Secure Flex 47-7/8 (1216)  
10-1/2  
(267)  
NOTES  
Vent Framing - Rear  
Vent With No Elbows  
• Annual Fuel Utilization Efficiency  
7
(178)  
DuetoLennox'ongoingcommitmenttoquality,  
all specifications, ratings and dimensions are  
subject to change without notice.  
12-1/8  
(308)  
12-1/8  
(308)  
5-1/8  
7
(130)  
(178)  
5-1/8  
(130)  
Appliance has a factory-installed vent seal cap  
(see Figures 15 & 16 on Page 13) in each flue  
outlet.  
Vent Center- Side  
Vent (no elbows)  
12-1/8  
(308)  
5-1/8  
(130)  
A
12-1/8  
(308)  
PRODUCT REFERENCE INFORMATION  
A
5-1/8  
(130)  
26-3/4  
(679)  
Cat.  
No.  
Model  
Ship  
Wt.  
Ship.  
Volumn  
Gas  
Line  
*41-1/2  
(1054)  
6-1/4  
(159)  
26-3/4  
(648)  
H3333 SSDVST-CNM 282 lbs 52W x 27D x 44-  
1/2H (36.2 cu.ft).  
H3334 SSDVST-CNE  
282 lbs 52W x 27D x 44-  
1/2H (36.2 cu.ft).  
22-3/4  
(578)  
48-1/2  
(1108)  
Gas Line Center of gas line is 3 in. (76 mm) up from floor.  
EFFICIENCIES  
*
This dimension can be reduced to 41 inches (1041 mm). This results in 0 in. (0 mm) clearance between framing and unit framing  
spacers. (The 41-1/2 in. dimension permits easier fireplace installation, if unit is installed after framing is erected).  
** This dimension based on 5/8" drywall. For 1/2" drywall use 25-1/2" (648 mm). The finished dimension should be 26-1/2" (673 mm).  
See also, Side Vent Seal Cap note below.  
SSDVST  
61% (NG)  
62 % (LP)  
Vertical Venting Through the Ceiling:  
Frame ceiling opening -Use a plumb line from the ceiling above the appliance to locate center of the vertical run. Cut and/or frame an opening,  
10-1/2" x 10-1/2" (267 mm x 267 mm) inside dimensions, about this center mark (see Figure 19).  
72 % (NG)  
73 % (LP)  
Steady State  
• AFUE  
68 % (NG)  
68 % (LP)  
10  
(254)  
FINISH WALL BRACKET  
(Front and back edge of unit top)  
12 (305)  
FRAMING SPACERS  
(Top and Both Sides)  
1/2  
FLUE  
(13)  
(Top or Side)  
5/8  
(16)  
40-1/8  
(1019)  
3-1/2  
(89)  
Stepped to Accept Drywall(all 4 corners)  
3-1/2(89)  
Detail fo Finish  
Wall Bracket  
Top View  
2-1/2  
(63.5)  
1/2  
(13)  
24  
(610)  
47-1/8  
(1197)  
12  
(305)  
1/2  
(13)  
4 (102)  
10-1/4  
(260)  
34-3/8  
(873)  
41  
(1041)  
2-1/2  
(63.5)  
Provide additional  
space for Side Vent  
Seal Cap if installing  
against a solid wall.  
GAS INLET  
24  
(610)  
FLUE  
(Top or Side)  
ELECTRICAL  
INLETS  
37  
(940)  
ELECTRICAL  
INLETS  
3
(76)  
GAS INLET  
ELECTRICAL  
INLETS  
3 (76)  
6-7/8  
(175)  
10-1/2  
(267)  
Front View  
Louvered Control  
Compartment Door  
Figure 13  
Left Side View  
Right Side View  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
11  
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FIREPLACE SPECIFICATIONS - SSDVPF (PENINSULA VIEW)  
Fireplace Framing Specifications  
Minimum Framing Stud Size is 2 x 4  
• See right side viewsof fireplace below for gas line inlet location options.  
• Inches (millimeters)  
SPECIFICATIONS  
•
Natural & Propane  
Gas BTU Input  
37,500  
inches (millimeters)  
**25-1/4  
(641)  
11-3/8  
(MV Low 30,000)  
Minimum Framing  
Stud Size is 2 x 4  
10-1/2  
(267)  
Dimension A  
Secure Vent 47-1/8 (1194)  
Secure Flex 47-7/8 (1216)  
4-1/2" Inner  
7-1/2" Outer  
Co-axial DV Vent Size  
Vent Center - Top  
Vent with one 90  
degree elbow  
Vent Framing - Top Vent  
With One 90º Elbow  
10-1/2  
(267)  
Vent Framing - Rear Vent  
With No Elbows  
NOTES  
7
(178)  
• Annual Fuel Utilization Efficiency  
12-1/8  
(308)  
12-1/8  
(308)  
7
DuetoLennox'ongoingcommitmenttoquality,  
all specifications, ratings and dimensions are  
subject to change without notice.  
5-1/8  
(178)  
5-1/8  
(130)  
(130)  
Vent Center- Side  
Vent (no elbows)  
12-1/8  
(308)  
Appliance has a factory-installed vent seal cap  
(see Figures 15 & 16 on Page 13) in each flue  
outlet.  
5-1/8  
(130)  
A
A
5-1/8  
(130)  
26-3/4  
(679)  
12-1/8  
(308)  
Gas Line  
PRODUCT REFERENCE INFORMATION  
6-1/4  
(159)  
*41-1/2  
(1054)  
Center of gas line  
is 3 in. (76 mm)  
up from floor.  
Cat.  
No.  
Model  
Ship  
Wt.  
Ship.  
Volumn  
26-3/4  
(648)  
22-3/4  
(578)  
Dimension A  
Secure Vent - 46-1/2 (1181)  
Secure Flex - 48-1/4 (1226)  
H3335 SSDVPF-CNM 270 lbs 52W x 27D x 44-  
1/2H (36.2 cu.ft).  
43-5/8  
(1108)  
H3336 SSDVPF-CNE  
270 lbs 52W x 27D x 44-  
1/2H (36.2 cu.ft).  
Gas Line Center of gas line is 3 in. (76 mm) up from floor.  
*
This dimension can be reduced to 41 inches (1041 mm). This results in 0 in. (0 mm) clearance between framing and unit framing  
spacers. (The 41-1/2 in. dimension permits easier fireplace installation, if unit is installed after framing is erected).  
EFFICIENCIES  
** This dimension based on 5/8" drywall. For 1/2" drywall use 25-1/2" (648 mm). The finished dimension should be 26-1/2" (673 mm).  
See also, Side Vent Seal Cap note below.  
SSDVPF  
58 % (NG)  
61 % (LP)  
Vertical Venting Through the Ceiling:  
Frame ceiling opening -Use a plumb line from the ceiling above the appliance to locate center of the vertical run. Cut and/or frame an opening,  
10-1/2" x 10-1/2" (267 mm x 267 mm) inside dimensions, about this center mark (see Figure 19).  
72 % (NG)  
73 % (LP)  
Steady State  
• AFUE  
10  
(254)  
FINISH WALL BRACKET  
(Front, back, and left edge of unit top)  
Stepped to Accept Drywall on 2 Corners  
68 % (NG)  
68 % (LP)  
FRAMING SPACERS  
(Top and Side)  
12 (305)  
FLUE  
(Top or Side)  
DETAIL OF  
FINISH WALL BRACKET  
1/2  
(13)  
5/8  
(16)  
40-1/8  
(1019)  
(89)  
3-1/2  
Top View  
2-1/2  
(63.5)  
12  
(305)  
24  
(610)  
43-5/8  
(1108)  
1/2 (13)  
4 (102)  
10-1/4  
(260)  
37  
34-3/8  
(873)  
(940)  
41  
(1041)  
Provide  
additional  
space for Side  
Vent Seal Cap  
if installing  
against a solid  
wall.  
2-1/2  
(63.5)  
FLUE  
(Top or Side)  
24  
(610)  
24  
(610)  
ELECTRICAL  
INLETS  
GAS INLET  
3 (76)  
18-1/4  
(464)  
Left Side View  
6-7/8  
(175)  
Louvered Control  
Compartment Door  
Right Side View  
Front View  
Figure 14  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
12  
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Step 3. INSTALL THE VENT SYSTEM  
WARNING  
The VENT SEAL CAP must remain securely installed  
on unused vent collar. Failure to do so could result in  
leakage of flue products into living space.  
These instructions should be used as a guideline and do not supersede  
localcodesinanyway.Installventaccordingtolocalcodes,theseinstruc-  
tions, the current National Fuel Gas Code (ANSI-Z223.1) in the USA or the  
current standards of CAN/CGA-B149.1 and -B149.2 in Canada.  
• Use only approved venting components. See Approved Vent Compo-  
nents, Page 2.  
• These fireplaces must be vented directly to the outside.  
INSTALLING VENT RESTRICTOR  
(Top Vent Installations with Vertical Terminations Only)  
The vent system must NOT service multiple appliances, and must never  
be connected to a flue serving a solid fuel burning appliance. The vent  
pipe is tested to be run inside an enclosure (such as a chase). There is  
no requirement for inspection openings in the enclosure at any of the  
joints in the vent pipe.  
A vent restrictor (provided) may be needed with this appliance. If needed,  
install the vent restrictor (provided) in the appliance top flue outlet as  
shown in Figure 17 when vertically terminating the vent system above  
the roof. It may be installed either from inside or outside the appliance,  
in the inner fireplace collar. It is press-fitted in place.  
REMOVE VENT SEAL CAP  
(From the vent that will be used only)  
Restrictor  
Top Vent - See Figure 15 and Side Vent - See Figure 16  
Preparing the Appliance Vent Collar  
Each of the appliances' two vent collars are sealed with a seal cap which  
must be removed from the vent collar being used. Refer to Figure 15  
for top vent installations and Figure 16 for side vent installations and  
the following steps to prepare the appropriate collar for use.  
VentRestrictor  
Installation  
(TopVent)  
From the vent collar being used, remove the two screws securing the  
vent seal cap. Twist the cap counterclockwise. Pull it away from the  
appliance and discard, along with the piece of insulation.  
Appliance Top  
Vent Outlet  
Figure 17  
Securing Screws  
Top Vent  
Vent Seal Cap  
VENTING SYSTEM - HORIZONTAL OR VERTICAL  
(OUTSIDE of  
Appliance)  
With the appliance secured in framing, determine vent routing and identify  
the exterior termination location. The following sections describe vertical  
(roof) and horizontal (exterior wall) vent applications. Refer to the section  
relating to your installation. A list of approved venting components is  
shown on Pages 31 and 32.  
Insulation  
Cabinet Top  
CROSS SECTION  
Firebox Top  
(INSIDE of Appliance)  
TOP VENT SEAL CAP REMOVAL  
(TOP VENT INSTALLATIONS ONLY)  
Figure 15 -  
Vent Seal Cap  
Insulation  
CROSS SECTION  
(OUTSIDE of  
Appliance)  
(INSIDE of  
Appliance)  
Side Vent  
Securing Screws  
Cabinet Back  
SIDE VENT SEAL CAP REMOVAL  
(SIDE VENT INSTALLATIONS ONLY)  
Figure 16 -  
13  
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VERTICAL TERMINATION SYSTEMS (ROOF)  
VENT SECTION LENGTH CHART  
VENT SECTION LENGTH CHART  
T
O
T
A
L
Nominal  
Section Length  
(inches)  
6
12  
24  
36  
48  
Nominal Section  
Length (inches)  
6
12  
24  
36  
48  
See Figure 18 and Figures 27 to 31 and their  
associated Vertical Vent Tables illustrate the  
vertical venting configurations that are allowed  
to be used with these appliances. Secure Vent  
pipe applications are shown in these figures;  
Secure Flex pipe may also be used. See Page  
24. A Vertical Vent Table summarizes each  
system’s minimum and maximum vertical and  
horizontal length values that can be used to  
design and install the vent components in a  
variety of applications.  
T
O
T
A
L
Net Section  
Length (inches)  
4 ½ 10 ½ 22 ½ 34 ½ 46 ½  
Number of Vent Sections  
Net Section  
Length (inches)  
4 ½ 10 ½ 22 ½ 34 ½  
Number of Vent Sections  
46  
½
Q
T
Y
Height of Vent  
Q
T
Height of Vent  
*inches  
feet  
Y
*inches  
feet  
144  
150  
12  
1
0
1
0
0
1
0
0
1
0
0
0
1
0
1
1
2
0
0
1
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
5
5
5
0
0
0
5
6
6
3
3
3
3
0
0
0
4
4
4
0
0
0
4
4
5
5
5
6
6
4
5
5
7
6
7
4.5  
9
0.375  
0.75  
1
2
0
1
2
0
0
1
0
0
1
0
0
1
1
1
2
0
2
3
0
1
0
0
0
0
0
0
1
0
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
2
1
2
3
2
1
3
3
1
3
12.5  
154.5 12.875  
160.5 13.375  
172.5 14.375  
10.5 0.875  
15 1.25  
19.5 1.625  
21 1.75  
0
0
Both these vertical vent systems terminate  
through the roof. In the USA, the minimum  
ventheightabovetheroofand/oradjacentwalls  
is specified in ANSI Z223.1 (latest edition); in  
Canada, by the current CAN-1 B149 installation  
code.Itisalsospecifiedinmajorbuildingcodes.  
Always consult your local codes for specific  
requirements. A general guide to follow is the  
Gas Vent Rule (refer to Figure 4 on Page 7).  
177  
183  
186  
14.75  
15.25  
15.5  
0
0
0
0
0
0
22.5 1.875  
25.5 2.125  
31.5 2.625  
34.5 2.875  
37.5 3.125  
190.5 15.875  
196.5 16.375  
205.5 17.125  
43.5 3.625  
0
0
0
1
2
0
0
0
1
2
0
2
0
0
0
0
0
0
1
0
3
2
1
3
207  
17.25  
45  
3.75  
211.5 17.625  
Vertical (Straight) Installation  
46.5 3.875  
49.5 4.125  
Determine the number of straight vent sec-  
tions required. 4-1/2" (114 mm), 10-1/2" (267  
mm), 22-1/2" (572 mm), 34-1/2" (876 mm)  
and 46-1/2" (1181 mm) net section lengths  
are available (see Table 10 and Page 31 - Item  
3). Plan the vent lengths so that a section joint  
does not occur within the space defined by  
ceiling joists or roof rafters. Refer to the Vent  
Section Length Chart.  
217.5 18.125  
229.5 19.125  
232.5 19.375  
0
0
0
1
0
1
0
0
0
0
1
1
0
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
6
6
0
0
5
5
0
0
0
0
0
6
0
6
6
6
0
0
7
7
7
0
0
8
8
0
9
9
7
7
51  
4.25  
1
0
0
0
0
0
1
1
0
0
0
0
0
1
1
0
1
0
2
0
0
0
0
1
0
2
0
0
0
0
0
2
1
2
3
0
3
0
0
0
1
2
0
1
0
0
0
1
0
0
2
0
2
2
1
0
0
0
2
0
1
0
0
0
0
0
0
0
0
1
1
1
2
0
2
2
3
2
4
3
2
4
3
3
2
4
3
2
4
3
0
5
55.5 4.625  
237  
19.75  
0
6
57  
66  
4.75  
5.25  
241.5 20.125  
7
7
246  
252  
264  
276  
279  
20.5  
21  
7
8
67.5 5.625  
7
8
69  
72  
5.75  
6
22  
7
8
23  
8
8
73.5 6.125  
79.5 6.625  
23.25  
0
6
280.5 23.375  
283.5 23.625  
289.5 24.125  
301.5 25.125  
310.5 25.875  
8
9
SV4.5CGV-1  
SV4.5FA or SV4.5FB  
Termination  
81  
90  
6.75  
7.5  
0
7
Flashing and SV4.5SC  
Storm Collar  
0
7
91.5 7.625  
0
7
93  
96  
7.75  
8
9
9
315  
26.5  
9
10  
7
97.5 8.125  
102 8.5  
103.5 8.625  
325.5 27.125  
0
1” (25.4 mm)  
Minimum  
Clearance to  
Combustibles  
2
0
1
0
0
0
0
0
0
0
3
3
2
0
0
4
3
4
330  
336  
345  
27.5  
28  
0
8
0
8
108  
114  
117  
9
28.75  
10  
10  
0
10  
11  
8
9.5  
9.75  
0
1
1
0
1
0
0
0
1
2
0
1
0
0
0
0
0
0
0
5
0
1
1
6
0
0
0
0
0
3
3
3
0
4
0
4
2
0
0
0
0
0
0
3
0
4
6
5
4
5
6
4
3
5
349.5 29.125  
372 31  
-1 ptSV4.5VF  
Firestop / spacer  
118.5 9.875  
126 10.5  
130.5 10.875  
376.5 31.375  
379.5 31.625  
418.5 34.875  
0
9
11  
0
11  
9
135  
138  
11.25  
11.5  
423  
465  
35.25  
38.75  
0
10  
0
10 10  
40 ft. Max.  
139.5 11.625  
142.5 11.875  
SV4.5L6 / 12 / 24 / 36 / 48  
(12.2 M)  
Vent Sections  
Table 9b  
Table 9a  
When using Secure  
ꢀ
Effective Vent Length  
Flex use Firestop / spacer  
SF4.5VF  
Model  
Effective Length  
4-1/2"  
SV4.5L6  
SV4.5L12  
SV4.5L24  
SV4.5L36  
SV4.5L48  
See Figure 21  
for "support strap"  
requirements  
* Convert inches into metric equiva-  
lent measure, as follows:  
10-1/2"  
22-1/2"  
Millimeters (mm) = Inches x 25.4  
Centimeters (cm) = Inches x 2.54  
Meters (M) = Inches x .0254  
34-1/2"  
Figure 18  
46-1/2"  
14  
Table 10  
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Vertical (offset) Installation  
D. Install firestop / spacer at ceiling - When  
usingSecureVent,useSV4.5VFfirestop/spacer  
at ceiling joists; when using Secure Flex, use  
SF4.5VF firestop / spacer. If there is living space  
abovetheceilinglevel,thefirestop/spacermust  
be installed on the bottom side of the ceiling.  
If attic space is above the ceiling, the firestop /  
spacer must be installed on the top side of the  
joist.Routetheventsectionsthroughtheframed  
opening and secure the firestop / spacer with  
8d nails or other appropriate fasteners at each  
corner. Remember to maintain 1" (25 mm)  
clearancetocombustibles,framingmembers,  
andatticorceilinginsulationwhenrunningver-  
tical chimney sections. Attic insulation shield  
(96K94) may be used to obtain the required  
clearances indicated here. See installation  
accessories o n Pages 31 and 32.  
B. Attach vent components to appliance  
-SecureVent SV4.5directventsystemcompo-  
nents are unitized concentric pipe components  
featuring positive twist lock connections (see  
Figure20). Alloftheappliancescoveredinthis  
document are fitted with collars having locking  
inclined channels. The dimpled end of the vent  
components fit over the appliance collar to cre-  
ate the positive twist lock connection.  
Analyze the vent routing and determine the  
number of vent sections and elbows required.  
Refer to Vertical Vent Figures and Tables on  
Pages 17 and 18 to select the type of vertical  
installation desired. Refer to the Vent Section  
Length Charts on Page 14 for an aid in se-  
lecting vent length combinations. Elbows are  
available in 45° and 90° configurations. Refer  
to Figure 23 for the SV4.5E45 and SV4.5E90  
elbow dimensional specifications.  
Align the dimple (four places) of the  
upper vent section with the opening  
of the locking incline channel on the  
lower vent section or appliance col-  
lar. Twist vent component clockwise  
to engage and seal until arrow and  
Where required, a Telescopic Vent Section  
(SV4.5LA) may be used to provide the installer  
with an option in installing in tight and confined  
spaces or where the vent run made up of fixed  
length pieces develops a joint in a undesirable  
location, or will not build up to the required  
length. The SV4.5LA Telescopic Vent Section  
dimple align.  
Arrow  
Dimple  
E. Support the vertical vent run sections -  
Note-Properventingsupportisveryimportant.  
The weight of the vent must not be supported  
by the fireplace in any degree.  
has an effective length of from 1-  
1/2" (38  
Locking Incline  
Channel  
mm) to 7-1/2" (191 mm). The SV4.5LA is fitted  
with a locking inclined channel end (identical to  
a normal vent section component) and a plain  
endwith3pilotholes.Sliptheplainendoverthe  
locking channel end of a standard SV4.5 vent  
component the required distance and secure  
with three screws.  
Connected Vent  
Sections  
Arrow  
Support the vertical portion of the venting  
system every 8 feet (2.4 m) above the fireplace  
vent outlet. One method of support is by utiliz-  
ing field provided support straps (conventional  
plumber's tape). Secure the plumber's tape to  
the framing members with nails or screws.  
Loop the tape around the vent, securing the  
ends of the tape to the framing. If desired,  
sheet metal screws #6 x 1/2" length may be  
used to secure the support straps to the vent  
pipe. See Figure 21.  
Appliance Collar or  
Vent Section  
Figure 20  
Maintain a minimum 1" (25 mm) clearance  
to combustible materials for all vertical  
elements. Clearances for all horizontal ele-  
ments are 3" (76 mm) on top, 1" (25 mm)  
on sides and 1" (25 mm) on the bottom.  
To attach a vent component to the appliance  
collar, align the dimpled end over the collar,  
adjusting the radial alignment until the four  
locking dimples are aligned with the inlet of  
the four inclined channels on the collar (refer  
to Figure 20). Push the vent component  
against the collar until it fully engages, then  
twist the component clockwise, running the  
dimples down and along the incline channels  
until they seat at the end of the channels. The  
unitizeddesignoftheSecureVentcomponents  
will engage and seal both the inner and outer  
pipe without the need for sealant or screws.  
If desired a #6 x 1/2" screw may be used at the  
joint, butitnotrequiredasthepipewillsecurely  
lock when twisted.  
A. Frame ceiling opening - Use a plumb line  
from the ceiling above the appliance to locate  
center of the vertical run. Cut and/or frame an  
opening, 10-1/2" x 10-1/2" (267 mm x 267  
mm)insidedimensions, aboutthiscentermark  
(Figure 19).  
10-1/2" Min.  
(267 mm)  
Blocking  
Support Straps  
(Plumber's tape)  
Note: An elbow may also be attached to the  
appliance collar. Attach in the same manner  
as you would a vent section.  
10-1/2" Min.  
(267 mm)  
8 feet (2.4 m)  
Maximum  
C. Attach vent components to each other  
- Other vent sections may be added to the  
previously installed section in accordance with  
the requirements of the vertical vent Figures  
and Tables. To add another vent component  
to a length of vent run, align the dimpled end  
over the inclined channel end of the previously  
installedsection, adjustingtheradialalignment  
untilthefourlockingdimplesarealignedwiththe  
inletsofthefourinclinechannelsoftheprevious  
section. Push the vent component against the  
previoussectionuntilitfullyengages,thentwist  
the component clockwise running the dimples  
down and along the incline channels until they  
seat at the end of the channels. This seating  
position is indicated by the alignment of the  
arrow and dimple as shown in Figure 20.  
1 inch (25.4  
mm) minimum  
clearance to  
combustibles  
Figure 21  
Another method, where the vent is not adjacent  
to a wall, is illustrated in Figure 22. Here,  
support straps (96K93) and support plates  
(96K92) can be used to support the weight  
of the vent.  
Figure 19  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
15  
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Use a carpenter’s level to measure from a  
constant surface and adjust the support straps  
as necessary.  
SV4.5CGV-1  
Termination  
SV4.5FA or  
SV4.5FB Flashing  
and SV4.5SC  
Storm Collar  
Storm  
Collar  
It is important to maintain the required clear-  
ancestocombustibles:1"(25mm)atallsides  
forallverticalruns;and3"(76mm)atthetop,  
1" (25 mm) at sides, and 1" (25 mm) at the  
bottom for all horizontal / inclined runs.  
1” (25.4 mm)  
Minimum  
Clearance to  
Combustibles  
ꢁWhen using  
secure Flex, use  
Firestop/Spacer  
SF4.5VF  
Flashing  
ꢁSV4.5VF  
Ceiling Framing  
Firestop / spacer  
H. Frame roof opening - Identify location for  
vent at the roof. Cut and/or frame opening per  
Roof Framing Chart and Figure 24.  
Figure 25  
ꢀSV4.5SP  
Support Plate  
8 ft. (2.4 M)  
Maximum  
K. Install the vertical termination - The final  
Step involves installation of the SV4.5CGV-1  
Vertical Termination. Extend the vent sections  
to the height as shown in the "Vertical vent  
termination section" (Page 7, Figure 4). The  
SV4.5CGV-1 Vertical Termination (Figure 26)  
canbeinstalled intheexactsamefashionasany  
otherSecureVentsection.Alignthetermination  
over the end of the previously installed section,  
adjusting the radial alignment until the four  
locking dimples of the termination are aligned  
withtheinletsofthefourinclinechannelsofthe  
last vent section. Push the termination down  
until it fully engages, then twist the termination  
clockwise running the dimples down and along  
the incline channels until they are seated at the  
end of the channels.  
ꢀSV4.5SU  
Support Strap  
C
ꢀSecured  
to Vent with  
Appropriate  
Fasteners  
D
Figure 22  
Framing Dimensions for Roof  
Inches (millimeters)  
F.Changeventdirectiontohorizontal/inclined  
run - At transition from or to a horizontal / in-  
clined run, install the SV4.5E45 and SV4.5E90  
elbows in the same manner as the straight vent  
sections. The elbows feature a twist section to  
allow them to be routed about the center axis  
of their initial collar section to align with the  
required direction of the next vent run element.  
Twist elbow sections in a clockwise direction  
onlysoastoavoidthepossibilityofunlocking  
anyofthepreviouslyconnectedventsections.  
See Figure 23.  
Pitch  
0/12  
C
D
10-1/2 in.  
(267 mm)  
10-1/2 in.  
(267 mm)  
6/12  
10-1/2 in.  
(267 mm)  
12 in.  
(305 mm)  
12/12  
10-1/2 in.  
(267 mm)  
17-3/4 in.  
(451 mm)  
Figure 24 - Roof Framing  
I. Install the roof flashing - Extend the vent  
sections through the roof structure. Install the  
roof flashing over the vent section and position  
such that the vent column rises vertically (use  
carpenters level - see Figure 25). Nail along  
perimeter to secure flashing or adjust roofing  
to overlap the flashing edges at top and sides  
only and trim where necessary. Seal the top  
and both sides of the flashing with waterproof  
caulking.  
8-1/8"  
4-13/16  
(206 mm)  
(122 mm)  
Swivel Joint  
(360° swivel)  
SV4.5E45  
Swivel Joint  
(360° swivel)  
SV4.5E90  
45° Elbow)  
90° Elbow)  
Figure 23  
Figure 26  
G.Continueinstallationofhorizontal/inclined  
sections - Continue with the installation of the  
straightventsectionsinhorizontal/inclinedrun  
as described in Step C. Install support straps  
every 5 feet (1.52 m) along horizontal / inclined  
vent runs using conventional plumber’s tape.  
See Page 19, Figure 32. It is very important  
thatthehorizontal/inclinedrunbemaintained  
in a straight (no dips) and recommended to  
be in a slightly elevated plane, in a direction  
awayfromthefireplaceof1/4"riseperfoot(20  
mm per meter) which is ideal, though rise per  
footrunratiosthataresmallerareacceptable  
all the way down to at or near level.  
J. Install the storm collar - Install the storm  
collar, suppliedwiththeflashing, overthevent/  
flashingjoint.SeeFigure25. Loosenthestorm  
collar screw. Slide collar down until it meets  
the top of the flashing. Tighten the adjusting  
screw. Apply non-combustible caulking or  
mastic around the circumference of the joint  
to provide a water tight seal.  
If the vent system extends more than 5 feet  
(1.5 m)above the roof flashing, stabilizers may  
be necessary. Additional screws may be used  
at section joints for added stability. Guide wires  
may be attached to the joint for additional sup-  
port on multiple joint configurations.  
16  
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VERTICAL VENT FIGURES/TABLES  
Table A  
V Minimum  
Note: Secure Vent (rigid vent pipe) is shown  
in the Figures; Secure Flex (flexible vent pipe)  
may also be used.  
ꢀWhen using Secure Flex, use Firestop  
/ Spacer SF4.5VF  
H Maximum  
feet (meter)  
feet  
(meter)  
(0.305)  
(0.610)  
(0.914)  
(1.219)  
2
4
6
8
(0.610)  
(1.219)  
(1.829)  
(2.438)  
1
2
3
4
WARNING  
UnderNoCircumstances,MaySepa-  
rate Sections of Concentric Flexible  
Vent Pipe Be Joined Together.  
ꢀCeiling Firestop / Spacer (SV4.5VF)  
V + H = 40 feet (12.2 meters) Max.  
H = 8 feet (2.4 meters) Max.  
Ratio V to H ratio is 1:2  
Notes:  
V
• It is very important that the horizontal/in-  
clined run be maintained in a straight (no  
dips) and recommended to be in a slightly  
elevated plane, in a direction away from the  
fireplace of 1/4" rise per foot (20 mm per  
meter) which is ideal, though rise per foot  
run ratios that are smaller are acceptable all  
the way down to at or near level.  
Example: If 8 feet of (H) horizontal vent run  
is needed, then 4 feet minimum (V) vertical  
vent will be required.  
This table shows a 1(V) to 2(H) ratio. For  
every 1 foot of (V) vertical, you are allowed 2  
feet of (H) horizontal run, up to a maximum  
horizontal run of 8 feet.  
H
• SV4.5VF (Secure Vent), SF4.5VF (Secure  
Flex) firestop/spacer must be used anytime  
vent pipe passes through a combustible  
floor or ceiling. SV4.5HF (Secure Vent),  
SF4.5HF (Secure Flex)firestop/spacer must  
be used anytime vent pipe passes through  
a combustible wall.  
Figure 28- Side Vent - ONE 90 DEGREE ELBOW  
• Two 45 degree elbows may be used in place  
of one 90 degree elbow. The same rise to  
run ratios, as shown in the venting Figures  
for90elbows, mustbefollowedif45degree  
elbows are used.  
• AN ELBOW IS ACCEPTABLE AS 1 FOOT OF  
VERTICALRISEEXCEPTWHEREANELBOW  
IS THE ONLY VERTICAL COMPONENT IN  
THE SYSTEM (See Figure 36).  
Table B  
H Maximum  
V Minimum  
feet (meter)  
Elbow Only  
feet  
(meter)  
(1.524)  
H
5
5
(1.524)  
(3.048)  
(4.572)  
(6.096)  
1
(0.305)  
(0.610)  
(0.914)  
(1.219)  
10  
15  
20  
2
3
4
ꢀCeiling Firestop  
ꢀCeiling Firestop /  
/ Spacer (SV4.5VF)  
Spacer (SV4.5VF)  
V + V + H = 40 feet (12.2 m) Max.  
H = 20 feet (6.096 meters) Max.  
1
Example: If 20 feet of (H) hori-  
zontal vent run is needed, then 4  
feet minimum of (V) vertical vent  
V1  
40 feet  
(12.2 meters)  
Maximum  
will be required.  
V
This table shows a 1(V) to 5(H)  
ratio. Forevery1footof(V)verti-  
cal, you are allowed 5 feet of (H)  
horizontal run, up to a maximum  
horizontal run of 20 feet.  
A Vent Restrictor, as  
shown in Figure 17,  
Page 13, must be used  
in this application  
ꢁWall Firestop/  
An elbow is acceptable as 1 foot  
of vertical rise except where  
an elbow is the only vertical  
component in the system. See  
Figure 36.  
Spacer (SV4.5HF)  
ꢀWhen using Secure Flex, use  
ꢁWFirheesntoupsi/nSgpSaecceurrSeFF4l.e5xV,Fu.se  
Firestop / Spacer SF4.5HF.  
ꢀWhenusingSecureFlex,useFirestop/Spacer  
SF4.5VF  
Figure 29 - Top Vent - TWO 90 DEGREE ELBOWS  
Figure 27 - Top Vent - STRAIGHT  
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VERTICAL VENT FIGURES / TABLES (CONTINUED)  
Table C  
H1  
H+H Maximum  
H Maximum  
V Minimum  
1
feet (meter) feet (meter)  
feet  
(meter)  
(0.305)  
(0.610)  
(0.914)  
(1.219)  
ꢀCeiling  
Firestop / Spacer  
(SV4.5VF)  
5
(1.524)  
(3.048)  
(4.572)  
(6.096)  
2
4
6
8
(0.610)  
(1.219)  
(1.829)  
(2.438)  
1
2
3
4
10  
15  
20  
Wall Firestop/  
ꢁ
V + V + H + H = 40 feet (12.2 m) Max  
H = 8 feet (2.438 meters) Max.  
1
1
Spacer (SV4.5HF)  
V1  
H + H = 20 feet (6.096 meters) Max.  
ꢀCeiling Firestop /  
1
Spacer (SV4.5VF)  
ꢀWhen using Secure Flex, use Firestop / Spacer SF4.5VF  
ꢁWhen using Secure Flex, use Firestop / Spacer SF4.5HF  
Example: If 20 feet total (H+H1) horizontal vent run is needed,  
then 4 feet minimum of (V) vertical vent will be required.  
This table shows a 1(V) to 5(H) ratio. For every 1 foot of (V)  
vertical, you are allowed 5 feet of (H+H1) horizontal run up to a  
maximum total horizontal run of 20 feet.  
V
H
Figure 30 - Side Vent - THREE ELBOWS  
Table D  
V Minimum  
(meter)  
Elbow Only  
(0.305)  
H + H Maximum  
1
feet  
(meter)  
(1.524)  
(1.524)  
(3.048)  
(4.572)  
(6.096)  
feet  
5
ꢀCeiling  
5
1
2
3
4
V
1
Firestop / Spacer ꢁWall Firestop/  
10  
15  
20  
(0.610)  
(0.914)  
(1.219)  
(SV4.5VF)  
Spacer (SV4.5HF)  
H
H + H = 20 feet (6.096 m) Max.  
V + V + H + H = 40 ft. (12.192 m) Max.  
1
1
1
V
Example: If 20 feet total (H+H1) horizontal vent run is needed, then  
4 feet minimum of (V) vertical vent will be required.  
H
1
This table shows a 1(V) to 5(H) ratio. For every 1 foot of (V) vertical,  
you are allowed 5 feet of (H+H1) horizontal run up to a maximum total  
horizontal run of 20 feet.  
An elbow is acceptable as 1 foot of vertical rise except where an elbow  
is the only vertical component in the system. See Figure 36.  
ꢀWhen using Secure Flex, use Firestop / Spacer SF4.5VF  
ꢁWhen using Secure Flex, use Firestop / Spacer SF4.5HF  
Figure 31 - Top Vent - THREE ELBOWS  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
18  
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To add another vent component to a length  
of vent run, align the dimpled end of the  
component over the inclined channel end of  
the previously installed section, adjusting the  
radial alignment until the four locking dimples  
are aligned with the inlets of the four incline  
channelsoftheprevioussection. Pushthevent  
componentagainsttheprevioussectionuntilit  
fully engages, then twist the component clock-  
wise running the dimples down and along the  
incline channels until they seat at the end of the  
channels. This seating position is indicated  
by the alignment of the arrow and dimple as  
shown in Figure 20 on Page 15.  
Support  
Brackets  
Horizontal / Inclined Run  
Building  
Support  
Framing  
SV4.5HT-2  
Termination  
Shown  
SV4.5E90  
Elbow  
SV4.5L6/12/24/36/48  
Vent Sections  
Exterior  
Wall  
Ceiling  
ꢀFirestop / Spacer  
SV4.5VF  
Vertical  
Rise  
Support Bracket Spacing  
Every 5 ft (1.52 m)  
ꢀWhen Using Secure Flex,  
Use Firestop / Spacer SF4.5VF  
SV4.5HT-2  
Termination  
Shown  
F. Install firestop / spacer at ceiling -  
See Figures 21 & 22 for verti-  
cal vent section support.  
WhenusingSecureVent, useSV4.5VFfirestop  
/ spacer at ceiling joists; when using Secure  
Flex, use SF4.5VF firestop / spacer. If there is  
livingspaceabovetheceilinglevel,thefirestop/  
spacer must be installed on the bottom side of  
the ceiling. If attic space is above the ceiling,  
the firestop/ spacer must be installed on the  
top side of the joist. Route the vent sections  
through the framed opening and secure the  
firestop / spacer with 8d nails or other ap-  
propriate fasteners at each corner.  
Fireplace  
Figure 32 -TYPICAL HORIZONTAL VENT INSTALLATION  
HORIZONTAL (OUTSIDE WALL)  
TERMINATION SYSTEM  
Maintain a minimum 1" (25 mm) clearance to  
combustibles on the vertical sections. Clear-  
ances for the horizontal runs are; 3" (76 mm)  
on top, 1" (25 mm) on sides, and 1" (25 mm)  
at the bottom.  
See Figure 32, and Figures 35 to 40 and  
their associated Horizontal Vent Table which  
illustrates the horizontal venting configura-  
tions that are allowed to be used with these  
appliances. Secure Vent pipe applications are  
shown in these figures; Secure Flex pipe may  
also be used (see Page 24). A Horizontal Vent  
Tablesummarizeseachsystem’sminimumand  
maximum vertical and horizontal length values  
that can be used to design and install the vent  
components in a variety of applications.  
Remembertomaintain1"(25mm)clearance  
tocombustibles,framingmembers,andattic  
or ceiling insulation when running vertical  
chimney sections. Attic insulation shield  
(96K94) may be used to obtain the required  
clearances indicated here. See installation  
accessories Tables on Pages 31 and 32.  
B. Frame exterior wall opening -  
Locate the center of the vent outlet on the exte-  
rior wall according to the dimensions shown in  
Figures 13 & 14 on Pages 11 & 12.  
Cut and/or frame an opening, 10-1/2" x 12 1/8"  
(267 mm x 308 mm) inside dimensions, about  
this center.  
G. Support the vertical run sections -  
See Step E on Page 15.  
C. Frame ceiling opening - If the vertical route  
istopenetrateaceiling,useplumblinetolocate  
thecenterabovetheappliance.Cutand/orframe  
an opening, 10-1/2" x 10-1/2" (267 mm x 267  
mm)insidedimensions,aboutthiscenter(refer  
to Figure 19 on Page 15).  
Bothofthesehorizontalventsystemsterminate  
throughanoutsidewall. BuildingCodeslimitor  
prohibit terminating in specific areas. Refer to  
Figure 6 on Page 8 for location guidelines.  
H. Change vent direction - At transition from  
or to a horizontal / inclined run, install the  
SV4.5E45 and SV4.5E90 elbows in the same  
manner as the straight vent sections. The  
elbows feature a twist section to allow them to  
be routed about the center axis of their initial  
collar section to align with the required direc-  
tion of the next vent run element. Twist elbow  
sections in a clockwise direction only so as  
to avoid the possibility of unlocking any of  
the previously connected vent sections. See  
Figure 20 on Page 15.  
Secure Vent SV4.5 direct vent system compo-  
nents are unitized concentric pipe components  
featuring positive twist lock connection, (refer  
to Figure 20 on Page 15). All of the appli-  
ances covered in this document are fitted with  
collars having locking inclined channels. The  
dimpled end of the vent components fit over  
the appliance collar to create the positive twist  
lock connection.  
D. Attach vent components to appliance - To  
attachaventcomponenttotheappliancecollar,  
align the dimpled end over the collar, adjust-  
ing the radial alignment until the four locking  
dimples are aligned with the inlets of the four  
incline channels on the collar (refer to Figure  
20 on Page 15).  
I.Continueinstallationofhorizontal/inclined  
sections - Continue with the installation of the  
straightventsectionsinhorizontal/inclinedrun  
as described in Step E. Install support straps  
every 5 ft. (1.52 m) along horizontal / inclined  
vent runs using conventional plumber’s tape.  
See Figure 32. It is very important that the  
horizontal / inclined run be maintained in a  
straight (no dips) and recommended to be in  
a slightly elevated plane, in a direction away  
from the fireplace of 1/4" rise per foot (20 mm  
per meter) which is ideal, though rise per foot  
runratiosthataresmallerareacceptableallthe  
way down to at or near level. Use a carpenter’s  
level to measure from a constant surface and  
adjust the support straps as necessary.  
Push the vent component against the collar  
until it fully engages, then twist the component  
clockwise,runningthedimplesdownandalong  
the incline channels until they seat at the end of  
thechannels.TheunitizeddesignoftheSecure  
Ventcomponentswillengageandsealboththe  
inner and outer pipe elements with the same  
procedure. Sealant and securing screws are  
not required.  
A. Plan the vent run -  
Analyze the vent routing and determine the  
types and quantities of sections required  
4-1/2" (114 mm), 10-1/2" (267 mm), 22-1/2"  
(572 mm), 34-1/2" (876 mm) and 46-1/2" (1181  
mm) net section lengths are available. Plan the  
vent lengths so that a section joint does not occur  
within the space defined by ceiling joists, roof  
rafters or wall studs. Make allowances for elbows  
as indicated in Figure 23 on Page 16.  
E. Attach vent components to each other  
- Other vent sections may be added to the  
previously installed section in accordance with  
the requirements of the vent tables.  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
19  
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It is important to maintain the required clear-  
ancestocombustibles:1"(25mm)atallsides  
forallverticalruns;and3"(76mm)atthetop,  
1" (25 mm) at sides, and 1" (25 mm) at the  
bottom for all horizontal / inclined runs.  
To help minimize water infiltration it is  
recommended that the Firestop/Spacer  
(SV4.5HF) be installed on the exterior  
side of the wall.  
SV4.5 HT-2  
Termination  
7"  
(178)  
J. Assemble vent run to exterior wall - If not  
previously measured, locate the center of the  
vent at the exterior wall. Prepare an opening as  
describedinStepB. Assembletheventsystem  
to point where the end of the last section is  
within 5 in. (127 mm) to 9-1/4 in. (235 mm)  
inboard of the exterior surface to which the  
SV4.5HT-2 termination is to be attached, see  
Figure 34. If the end of the last section is not  
withinthisdistance,usethetelescopicventsec-  
tion SV4.5LA, as the last vent section. For wall  
thicknesses greater than that shown in Figure  
34, refer to Table 11 on Page 21. This Table  
lists theadditionalventingcomponentsneeded  
(in addition to the termination and adapter) for  
a particular range of wall thicknesses.  
10¹⁄₂"  
12¹⁄₈"  
(267mm)  
(308 mm)  
5¹⁄₈"  
(130 mm)  
3"  
(76 mm)  
1"  
Adapter  
SV4.5RCH  
(25.4 mm)  
Note: Centerline of Vent Piping is  
NOT the Same as the Centerline of  
the Framed Opening.  
See Figures 13 & 14 for Min.  
Distance to Base of Appliance.  
6 to 48 inch Vent Section,  
Telescopic vent section,  
Elbow or Appliance Collar  
Base of Appliance  
Figure 33 - INSTALLING SQUARE HORIZONTAL TERMINATION (SV4.5HT-2)  
K. Attach termination adapter - Attach the  
adapter (SV4.5RCH - provided with the termi-  
nation) to the vent section or telescoping vent  
section), elbow or appliance collar as shown  
in Figures 33 & 34 in the same manner as any  
SV4.5 vent component (refer to Step E).  
Maximum Wall Thickness  
Use silicone caulking to seal  
ꢀ
10 in. (254 mm)  
ꢁ
the top and sides of the  
termination, up to the  
underlayment, stucco, or  
masonry wall surface.  
Exterior Surface of Siding  
Exterior Surface of  
Framing  
Interior Surface of  
Finished Wall  
L. Install Firestop / Spacer at exterior wall  
- When using the square termination, install  
SV4.5HF (Secure Vent), SF4.5HF (Secure Flex)  
Firestop/Spacerovertheopeningattheexterior  
sideoftheframing,longsideup,withthe3inch  
spacer clearance at the top as shown in Figure  
33, and nail into place. The Firestop / Spacer  
may also be installed over the opening at the  
interior side of the framing.  
Maximum Extent of  
Vent Run Sections  
Relative to Exterior  
Surface of Framing  
Siding  
6 in. to 9-1/4 in.  
(152 to 235 mm)  
ꢁ
Caulk  
ꢀ
Last Vent Section.  
Use Telescopic Vent  
Section (SV4.5LA), If  
Necessary  
SV4.5 HT-2  
Termination  
Caulk  
ꢀ
M. Install the Square Termination (SV4.5HT-2)  
Install the square termination - For the last  
step , from outside the exterior wall, slide the  
collars of the termination onto the adapter until  
the termination seats against the exterior wall  
surface to which it will be attached. Orient  
the housing of the termination with the arrow  
pointed upwards. Secure the termination to  
the exterior wall. The horizontal termination  
must not be recessed into the exterior wall  
or siding by more than the 1-1/4" (32 mm) as  
shown in Figure 34.  
SV4.5 HT-2  
Termination  
Adapter  
SV4.5RCH  
1-1/4” Maximum Recess of  
Square Termination  
into Exterior Finishing Material  
Stucco  
For thicknesses greater than  
ꢁ
10", see Table 11  
Venting Connection and Exterior Wall Recessing of the Horizontal Square  
Termination (SV4.5HT-2).  
Figure 34  
Horizontal terminations have been designed to perform in a wide range of weather condi-  
tions. Our terminations meet or exceed industry standards.  
IMPORTANT  
When selecting the locations of your horizontal terminations, do not place the termina-  
tion where water from eaves and adjoining rooflines may create a heavy flow of cascad-  
ing water onto the termination cap. If the cap must be placed where the possibility of  
cascading water exists, it is the responsibility of the builder to direct the water away  
from the termination cap by using gutters or other means.  
The vent termination is hot while  
in operation and for a period of  
time following the use of the fire-  
place. To prevent contact with hot  
surfaces, we recommend the use  
of a Termination Guard. See Items  
12 and 13 on Page 31. This can be  
purchased at your local dealer.  
Take care to carefully follow the installation instructions for the termination, including  
the use of silicone caulking where required.  
20  
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HORIZONTAL VENT FIGURES/TABLES  
Square termination  
(SV4.5HT-2) shown.  
Notes:  
• Secure Vent components (rigid vent pipe and terminal) are shown in  
the Figures; Secure Flex components (flexible vent pipe and terminal)  
may also be used.  
H = 28 in. (711 mm)  
Maximum  
21 in. (533 mm)  
Maximum  
• Two 45 degree elbows may be used in place of one 90 degree elbow.  
The same rise to run ratios, as shown in the venting Figures for 90  
elbows,must be followed if 45 degree elbows are used.  
7 in. (711 mm)  
• SV4.5VF (Secure Vent), SF4.5VF (Secure Flex) firestop/spacer must  
be used anytime vent pipe passes through a combustible floor or ceil-  
ing. SV4.5HF (Secure Vent), SF4.5HF (Secure Flex) firestop/spacer  
must be used anytime vent pipe passes through a combustible wall.  
Wall Firestop / Spacer  
(SV4.5HF)  
ꢀ
When using Secure Flex, use Firestop / Spacer SF4.5HF  
ꢀ
• It is very important that the horizontal/inclined run be maintained  
in a straight (no dips) and recommended to be in a slightly elevated  
plane, in a direction away from the fireplace of 1/4" rise per foot (20  
mm per meter) which is ideal, though rise per foot run ratios that are  
smaller are acceptable all the way down to at or near level.  
Figure 35 - Side Vent, NO ELBOWS  
• The tables show a 1(V) to 5(H) ratio up to a maximum horizontal run  
of 20 feet except for installations where an elbow is the only vertical  
vent section in the system (see Figure 36).  
Example: If 20 feet of (H)  
Table E  
horizontal vent run is needed,  
V Minimum  
H Maximum  
then 4 feet minimum of (V)  
vertical vent will be required.  
feet (meter) feet  
(meter)  
• AN ELBOW IS ACCEPTABLE AS 1 FOOT OF VERTICAL RISE EXCEPT  
WHERE AN ELBOW IS THE ONLY VERTICAL COMPONENT IN THE  
SYSTEM. See Figure 36.  
This table shows a 1(V) to  
5(H) ratio. For every 1 foot  
of vertical, you are allowed 5  
feet of (H) horizontal run up  
to a maximum (H) horizontal  
run of 20 feet.  
3
(0.914)  
(1.524)  
(3.048)  
(4.572)  
(6.096)  
Elbow Only  
(0.305)  
5
1
2
3
4
10  
15  
20  
(0.610)  
Venting Components Required for Various Exterior Wall Thick-  
nesses, when using Square Termination Kit (SV4.5HT-2)  
(0.914)  
Vent Components Required Exterior Wall Thickness - inches (mm)  
(1.219)  
Termination Kit Only  
6 to 9-1/4 (152 to 235)  
V + H = 40 feet (12.2 m) Max.  
H = 20 ft. (6.096 m) Max.  
TerminationKitand 6In.Vent  
Section (SV4.5L6)  
10-3/4 to 14 (273 to 356)  
Square termination  
(SV4.5HT-2) shown.  
Termination Kit and 12 in.  
Vent Section (SV4.5L12)  
16-3/4 to 20 (426 to 508)  
11-3/4 to 20 (299 to 508)  
Termination Kit and Tele-  
scopic Section (SV4.5L12)  
H
Note:SeeFigure34showingwallthicknessrange  
when using SV4.5HT-2 termination kit only.  
Table 11  
V
See Table 11 as an aid in venting component selection for a particular  
range of exterior wall thicknesses.  
WARNING  
Under no circumstances, may separate sections of  
concentric flexible vent pipe be joined together.  
ꢁWall Firestop/  
Spacer (SV4.5HF)  
ꢀWhen using Secure Flex, use Firestop / Spacer SF4.5VF  
ꢁWhen using Secure Flex, use Firestop / Spacer SF4.5HF  
Square termination (SV4.5HT-2) shown  
Figure 36 - Top Vent, ONE 90 DEGREE ELBOW  
21  
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HORIZONTAL VENT FIGURES / TABLES (CONTINUED)  
Table F  
V Minimum  
H
+H1 Maximum  
H Maximum  
H
H
1
feet (meter) feet (meter)  
feet  
(meter)  
(0.305)  
(0.610)  
(0.914)  
(1.219)  
5
(1.524)  
(3.048)  
(4.572)  
(6.096)  
2
4
6
8
(0.610)  
(1.219)  
(1.829)  
(2.438)  
1
2
3
4
10  
15  
20  
ꢁWall Firestop/  
Spacer (SV4.5HF)  
V + H + H = 40 feet (12.2 m) Max  
1
H = 8 feet (2.438 meters) Max.  
ꢀCeiling  
H + H = 20 feet (6.096 meters) Max.  
1
Firestop / Spacer  
(SV4.5VF)  
Example: If 20 feet of (H + H ) horizontal  
vent run is needed, then 4 feet 1minimum of  
(V) vertical vent will be required.  
V
ꢁWall Firestop/  
Spacer (SV4.5HF)  
Thistableshowsa1(V)to5(H)ratio. Forevery  
1 foot of (V) vertical, you are allowed 5 feet  
of (H+ H1) horizontal run, up to a maximum  
horizontal run of 20 feet.  
ꢀWhen using Secure Flex, use Firestop /  
Spacer SF4.5VF  
ꢁWhen using Secure Flex, use Firestop /  
Spacer SF4.5HF  
Note: See Table 11 as an aid in venting  
component selection for a particular range  
of exterior wall thicknesses.  
Square termination (SV4.5HT-2) shown  
Figure 37 - Side Vent, TWO 90 DEGREE ELBOWS  
Table G  
ꢁWall Firestop/  
Spacer (SV4.5HF)  
V Minimum  
feet (meter)  
Elbow Only  
H + H Maximum  
1
feet  
3
(meter)  
(0.914)  
(1.524)  
(3.048)  
(4.572)  
(6.096)  
H
5
1
(0.305)  
(0.610)  
(0.914)  
(1.219)  
H
1
10  
15  
20  
2
3
4
V
V + H + H = 40 feet (12.2 m) Max.  
1
H + H = 20 ft. (6.096 m) Max.  
ꢁWall Firestop/  
Spacer (SV4.5HF)  
1
ꢀWhen using Secure Flex, use Firestop  
/ Spacer SF4.5VF  
ꢁWhen using Secure Flex, use Firestop  
/ Spacer SF4.5HF  
Example: If 20 feet of (H + H ) horizontal  
vent run is needed, then 4 feet 1minimum of  
(V) vertical vent will be required.  
ꢀCeiling Firestop /  
Note: See Table 11 as an aid in venting  
componentselectionforaparticularrange  
of exterior wall thicknesses.  
Thistableshowsa1(V)to5(H)ratio. Forevery  
1 foot of (V) vertical, you are allowed 5 feet  
of (H+ H1) horizontal run, up to a maximum  
horizontal run of 20 feet.  
Spacer (SV4.5VF)  
Square termination (SV4.5HT-2) shown  
An elbow is acceptable as 1 foot of vertical  
rise except where an elbow is the only vertical  
component in the system. See Figure 36.  
Figure 38 - Top Vent, TWO 90 DEGREE ELBOWS  
22  
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HORIZONTAL VENT FIGURES / TABLES (CONTINUED)  
ꢀWhen using Secure Flex, use  
Firestop / Spacer SF4.5VF  
ꢁWhen using Secure Flex, use  
Firestop / Spacer SF4.5HF  
ꢁWall Firestop / Spacer  
(SV4.5HF)  
H
1
Note: See Table 11 as an aid in  
venting component selection for  
H
a particular range of exterior wall  
thicknesses.  
2
Table H  
H Maximum  
V Minimum  
H + H + H Maximum  
1
2
ꢀCeiling Firestop /  
feet  
5
(meter)  
(1.524)  
(3.048)  
(4.572)  
(6.096)  
feet  
(meter)  
(0.610)  
(1.219)  
(1.829)  
(2.438)  
feet  
(meter)  
(0.305)  
(0.610)  
(0.914)  
(1.219)  
Spacer (SV4.5VF)  
2
4
6
8
1
2
3
4
V
10  
15  
20  
V + H + H + H = 40 feet (12.2 m) Max  
1
2
H
H = 8 feet (2.438 meters) Max.  
H + H + H = 20 feet (6.096 meters) Max.  
1
2
Example: If 20 feet total (H+H1+H2) horizontal vent run is needed, then 4 feet minimum  
of (V) vertical vent will be required.  
Square termination (SV4.5HT-2) shown  
This table shows a 1(V) to 5(H) ratio. For every 1 foot of (V) vertical, you are allowed 5  
feet of horizontal run up to a maximum total (H+H1+H2) horizontal run of 20 feet.  
Figure 39 - Side Vent, THREE 90 DEGREE ELBOWS  
Square termination (SV4.5HT-2) shown  
Table I  
V Minimum  
feet (meter)  
Elbow Only  
H + H Maximum  
1
H
1
feet  
5
(meter)  
(1.524)  
(1.524)  
(3.048)  
(4.572)  
(6.096)  
Ceiling Firestop /  
Spacer (SV4.5VF)  
ꢀ
5
1
2
3
4
(0.305)  
(0.610)  
(0.914)  
(1.219)  
10  
15  
20  
H
H + H = 20 feet (6.096 m) Max.  
1
V + V + H + H = 40 ft. (12.192 m) Max.  
V
1
1
ꢁWall Firestop / Spacer  
1
(SV4.5HF)  
Example: If20feettotal(H+H1)horizontal  
vent run is needed, then 4 feet minimum  
of (V) vertical vent will be required.  
ꢀWhen using Secure Flex,  
use Firestop / Spacer  
SF4.5VF  
ꢁWhen using Secure Flex,  
use Firestop / Spacer  
SF4.5HF  
V
This table shows a 1(V) to 5(H) ratio. For  
every1footof(V)vertical,youareallowed  
5 feet of (H+ H1) horizontal run, up to a  
maximum horizontal run of 20 feet.  
Anelbowisacceptableas1footofvertical  
rise except where an elbow is the only  
vertical component in the system. See  
Figure 36.  
ꢁWall Firestop  
/ Spacer (SV4.5HF)  
Note: See Table 11 as an aid  
in venting component selec-  
tion for a particular range of  
exterior wall thicknesses.  
Wall Firestop /  
ꢀ
Spacer (SV4.5VF)  
Figure 40- Top Vent, THREE 90 DEGREE ELBOWS  
23  
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VERTICAL OR HORIZONTAL VENTING USING  
SECURE FLEX KITS AND COMPONENTS  
Flex Vent  
Note: Outer Pipe Is Pulled Away To Show  
The Detail of The Inner Pipe  
Securing Screw - 3 Places  
Equidistant (equally spaced)  
Just Below Gear Clamp)  
Secure Flex venting kits and components  
may be used in any venting application in  
place of rigid Secure Vent (SV4.5) direct vent  
components. All restrictions, clearances and  
allowances that pertain to the rigid piping apply  
to the flexible venting. Secure Flex kits may  
notbemodified;also,undernocircumstances  
may separate sections of flex pipe be joined  
together.  
APPLY ONLY MIL-PAC BLACK  
HIGH TEMPERATURE SEALANT  
(Cat. No. 10K81) to the outside  
surface of both collars of the  
adapter (be especially careful to  
fill the grooves of the outer collar  
tobecoveredbytheflexiblepipe)  
and slide flexible pipe over inner  
and outer adapter collars.  
Gear Clamps  
Using adapter (SV4.5RF), Secure Flex kits  
may be added to the end of a vent run made  
up of rigid Secure Vent (SV4.5) vent sections  
provided that doing so does not violate any of  
the venting length, height, routing, horizontal  
to vertical ratio requirements or clearance  
considerations detailed in this manual.  
1-3/4 inch (44 mm) Flexible  
PipeandAdapterOuterCollar  
Overlap  
1-3/4 in. (44 mm) Flexible  
PipeandAdapterInnerCollar  
Overlap  
Adapter (SV4.5RF)  
Securing Screw  
- 3 Places, 120° apart  
(equally spaced) Just  
Below Gear Clamp  
Secure Flex kits come with an adapter that  
can be fitted to the inclined channel end of the  
last Secure Vent (SV4.5) vent section in a rigid  
system in the exact same fashion as any other  
Secure Vent section.  
Attach Adapter to Appliance  
Figure 41  
Collar, or Secure Vent Sections  
B. Install the Outer Flex Pipe -  
D. Install Firestop / Spacers at ceilings and walls  
- When Secure Flex penetrates a wall or ceiling,  
a firestop / spacer is required: use the SF4.5 VF  
firestop / spacer for ceilings and the SF4.5 HF  
firestop / spacer for walls. See the appropriate  
sectionsandFigures shownthroughoutthevent-  
ing section for their installation requirements.  
1. Install the large gear clamp loosely around  
the outer flexible vent pipe, push it back out  
of the way.  
Align the dimpled end of the adapter over  
the previously installed section or appliance  
collar, adjusting the radial alignment until the  
four locking dimples of the adapter are aligned  
with the inlets of the four incline channels of  
the last vent section or collar. Push on the  
adapter until it fully engages, then twist the  
adapter clockwise running the dimples down  
and along the incline channels until they seat  
at the end of the channels.  
2. ApplyabeadofMill-PacBlack(700°F)high  
temperature sealant - Catalog No. 10K81)  
to the outer adapter collar; to the grooves  
of the collar which extend approximately 1  
inch from the end and to the flat surface,  
approximately 1-3/8 inches from the end.  
3. Pull and extend outer flexible vent pipe.  
4. Slidetheouterflexpipeovertheadaptercol-  
lar. Ensure the flexible vent pipe completely  
engages the adapter collar to a distance of  
1-3/4 inches from the end, and that it is free  
from damage or tears.  
5. Slide the gear clamp down and tighten it  
fullytosecuretheflexibleventtotheadapter  
outer collar approximately 3/4 inch from the  
end of the flex.  
6. Install three screws 120 degrees apart  
through the flexible vent pipe and into the  
adapter collar just below the gear clamp to  
provide additional security to the connec-  
tion.  
Flexible Vent  
Section  
Attach the flexible vent to the adapter as fol-  
lows (see also Figure 41):  
A. Install the Inner Flex Pipe -  
1. Install the small gear clamp loosely around  
the inner flexible vent pipe, push it back out  
of the way.  
2. ApplyabeadofMill-PacBlack(700°F)high  
temperature sealant - Catalog No. 10K81  
to the inner adapter collar, approximately  
1/2 inch from the end.  
3. Pull and extend the inner flexible vent pipe.  
4. Slidetheinnerflexpipeovertheadaptercol-  
lar. Ensure the flexible vent pipe completely  
engages the adapter collar to a distance of 1  
3/4 inches from the end, and that it is free  
from damage or tears.  
5. Slide the gear clamp down and tighten it  
fullytosecuretheflexibleventtotheadapter  
inner collar approximately 3/4 inch from the  
end of the flex.  
6. Installthreescrews120degreesapartthrough  
theflexibleventpipeandintotheadaptercollar  
justbelowthegearclamptoprovideadditional  
security to the connection.  
5” (127 mm)  
Radius  
Minimum  
Figure 42  
E. Attach Flex Vent to Termination -  
Secure Flex components can be purchased  
separately and attached to bulk lengths of Se-  
cure Flex flexible tubing cut to size at the job  
site. SecuretheflexibleventtotheSecureFlex  
terminations in the same manner (see Figure  
41) as it was attached to the adapter.  
C. Route Flex Vent -  
Ensure that the flex vent is properly routed to  
providetherequiredclearance.Donotallowthe  
flexible vent to bend in a radius tighter than 5"  
(127 mm). Refer to Figure 42. Space out the  
internalflexventspacersevenly-approximately  
every 6 inches - and avoid kinking of inner pipe.  
Support horizontal sections of flex with metal  
straps at 2 foot (0.61 m) intervals.  
Note:SecureFlexventmustbeattachedtoSecure  
Flex terminations only. DO NOT substitute Secure  
Vent terminations or the Secure Vent adapter for  
Secure Flex components. The collars of Secure  
Flex terminations and adapters have a different  
diameter than that used with the Secure Vent  
pipe. Additionally, Secure Flex components have  
anextendedlengthcentertubeforuseinattaching  
the flexible vent.  
24  
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2. Install the junction box and receptacle outlet  
totheleftofthevalveinthefront(foroptional  
blowerkit). Seejunctionboxandreceptacle  
outlet as explained in steps 1-11 for (B)  
Electronic Wiring (on this page).  
B. Electronic Wiring (See Figures 45 & 46)  
Step 4. FIELD WIRING  
Notes:  
• The electronic appliance must be connected  
to the main 120 VAC power supply.  
• The junction box can be installed in any of the  
4 outside corners of the control compartment (it  
can be found factory installed in the right front  
corner viewed from the valve access side (where  
it should be reinstalled if an optional blower kit  
is installed).  
CAUTION  
Label all wires prior to disconnec-  
tionwhenservicingcontrols.Wiring  
errors can cause improper and dan-  
gerous appliance operation.  
Install OFF/ON Switch  
(millivolt models)  
1. Connect the 2 wires (provided in Electrical  
Outlet Kit) to the TP/TH and TH terminals  
on valve.  
2. Pass the 2 wires through the opening where  
OFF/ONswitchwillbeinstalled(leftofpiezo,  
below valve).  
Refer to Section A for millivolt appliances and  
Section B for electronic appliances.  
1. Route a 3-wire, 120 VAC, 60 Hz, 1 ph power  
supply to the location on appliance where  
junction box is to be installed.  
2. Openthecontrolcompartmentaccesspanel  
(see Control Compartment Access Instruc-  
tions on Page 27).  
3. Remove the junction box/outlet receptacle  
assemblybyremovingthesecuringscrewat  
the front right corner of the unit. See Figure  
45.  
4. Remove the outlet receptacle from the  
junction box by removing the two securing  
screws.  
5. Install a field-provided strain relief in the  
cabinet knockout opening for the protection  
of the power supply wires.  
6. Connect the power supply wires to the  
receptacle as shown in Figure 46 on Page  
26.  
7. Connectthegroundsupplywiretothegreen  
wire attached to the outlet receptacle’s  
green ground screw.  
8. Wire and install the outlet receptacle to  
junction box. Next, install into the chosen  
cornerofthecontrolcompartmentasshown  
in Figure 45.  
A. Millivolt Wiring (See Figure 43):  
1. Install and wire in the burner control switch.  
Install either "a" or "b" below, NOT BOTH  
(installingbothmayresultinimproperburner  
operation).  
3. Connect the two wires to the OFF/ON  
Switch.  
Connect  
OFF/ON  
wires to  
a. Optional OFF/ON Switch - Install the  
OFF/ON burner control switch (rocker  
switch) as shown in Figures 43 &  
44.  
Switch  
terminals  
4. Press the OFF/ON switch into bracket as  
shown below (it will snap into place).  
b. OptionalWallSwitch,WallThermostat  
Or Remote Control Receiver - Install  
snap bushing (provided in Electrical  
Outlet Kit) into control switch knock-  
out in side panel (see Figures 13,14 &  
45). Wire the optional control switch  
within the millivolt control circuit (as  
shown in Figure 43) using the 15 feet  
of 2 conductor wire supplied (route  
wires through the snap bushing to  
the optional control switch). Mount  
the optional control switch or wall  
thermostat in a convenient location  
on a wall near the fireplace.  
TP TH  
Gas  
Valve  
TH  
OFF/ON  
Switch  
Control Compartment  
Access panel  
CAUTION: DO NOT CONNECT OPTIONAL  
CONTROL SWITCH TO 120VAC POWER  
SUPPLY.  
9. After the receptacle/junction box wiring is  
complete, install the field-provided metal  
junction box cover plate (see Figure 45).  
Figure 44  
Note: The supplied 15 feet of 2 conductor  
wire has one end of each conductor con-  
nected to the gas valve circuit and the other  
end of each conductor placed loose on top  
of the appliance.  
Thermopile  
IMPORTANT NOTE  
*
The gas valve OFF/ON switch is  
shown in Figure 46 on Page 26. It  
is integral with the gas valve and  
should be set to the ON position.  
* Optional  
Control Switch  
* Twist wires together to operate unit  
solely by manipulating the gas valve  
control knob; or connect wires to  
optional control switch (wall switch,  
remote control or wall thermostat to  
operate unit.  
Schematic  
Representation  
Only  
Field Wired  
Factory  
Wired  
•
If any of the original wire as supplied must  
be replaced, it must be replaced with Type AWM  
105 C - 18 gage wire.  
* Optional Kits Installed - ON/OFF wall switch, unit mounted burner ON/OFF switch, wall thermostat or  
remote control.receiver.  
Figure 43 - Millivolt Wiring Diagram  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
25  
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Receptacle, Junction Box  
and Cover Plate Installation  
CAUTION  
CAUTION  
Ensure that wires are positioned  
away from hot surfaces and sharp  
edges.  
Outlet Receptacle  
Ground supply lead must be con-  
nected to the wire attached to the  
green ground screw located on the  
outletbox. SeeFigure46.Failureto  
dosowillresultinapotential safety  
hazard. The appliance must be  
electricallygroundedinaccordance  
withlocalcodesor,intheabsenceof  
local codes, the National Electrical  
Code,ANSI/NFPA70-latestedition.  
(In Canada, the current CSA C22-1  
Canadian Electrical Code).  
Junction Box  
CAUTION  
Do not connect the optional wall  
switch to a 120 Volt AC power  
supply.  
View Of Right  
Plug blower  
Green  
Bottom Corner Of Unit  
into this  
White  
Black  
Ground - Green  
Neutral - White  
120 VAC - Black  
receptacle  
Field-provided Metal Junction Box  
Cover Plate With Screw  
Junction Box  
Blower  
Junction Box  
* Wall-mounted  
ON/ OFF Blower  
Switch or Variable  
knock-out (2  
Ground  
Tab  
Broken  
Fireplace  
Side  
places each side)  
Tab Intact  
Speed Control Switch.  
Press snap  
bushing into the  
knock-out for  
control switch  
wires.  
Red  
J-BOX WIRING FOR  
WALL SWITCH  
BLOWER CONTROL  
Green  
Ground  
Screw  
Neutral  
Hot  
Side of  
Side of  
Receptacle  
Receptacle  
Figure 45  
View A  
J-Box Wiring when  
using unit mounted  
relay module.  
Relay Module C/W FBK-250 only. Plug blower  
into J-Box receptacle for FBK-100 or FBK-200  
application. See View A for J-Box wiring.  
Step 5.WIRING - OPTIONAL FORCED AIR  
BLOWER KIT  
BK  
W
G
Optional Blower  
FBK-100, FBK-200 and FBK-250 Kits  
Junction Box  
(See Figure 46 for wiring) -  
*OFF/ON Switch  
(Integral with  
Gas Valve)  
Pilot Burner  
Assembly  
An electrical receptacle is provided for the  
installation of the FBK-100, FBK-200 and FBK-  
250 forced air blower kits. Electrical power  
must be connected to this receptacle in order  
to operate these blowers. Install the blower  
kits according to the installation instructions  
provided with the kits.  
Honeywell  
Electronic  
Gas  
Valve  
Igniter  
Connector  
*
Leave the OFF/ON switch, which is  
integral with the gas valve, in the ON  
position.  
GROUND  
Transformer  
** Optional Control Switches: Wall  
Switch, Wall Thermostat or Remote  
Control Receiver.  
BL  
BL  
CAUTION  
BL  
BK  
R
24 V  
120 VAC  
Primary  
Remove the carton support from  
the control compartment before  
operating the appliance.  
Secondary  
Notes:  
BK  
1. If any of the original wire as supplied  
must be replaced, use Type AWM 105°C  
- 18 gage wire ONLY.  
2. 120 VAC, 60 Hz - Less than 3 Amps.  
Caution: label all wires prior to  
disconnection when servicing controls.  
Wiring errors can cause improper and  
dangerous operation.  
BK = BLACK BL = BLUE  
BK  
Optional Control Switch  
R = RED  
W = WHITE  
W
G = GREEN  
Field Wired  
Factory  
Wired  
Schematic Representation Only  
Electronic Wiring Diagram (Honeywell) Showing Blower Wiring for Optional FBK-100, FBK-200 & FBK-250 Kits  
Figure 46  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
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Step 6. CONNECTING GAS LINE  
GAS CONNECTION  
Gas Flex Line Connector  
Gas  
Valve  
Make gas line connections. All codes require a  
shut-offvalvemountedinthesupplyline.Figure  
47 illustrates two methods for connecting the  
as supply. The flex-line method is acceptable  
in the U.S., however, Canadian requirements  
vary depending on locality. Installation must  
be in compliance with local codes.  
3/8" NPT x  
Flare Fitting  
1/2" x 3/8" Flare  
Shut-off Valve  
3/8" Flex Tubing  
These appliances are equipped with a gas flex  
line for use (where permitted) in connecting  
the appliance to the gas line. A gas flex line  
is provided to aid in attaching the direct vent  
appliance to the gas supply. The gas flex line  
can only be used where local codes permit.  
See Figure 47 for flex line description. The flex  
line is rated for both natural gas and propane  
gas. A manual shut off valve is also provided  
with the flex line.  
3"  
Min.  
*Sediment Trap  
Gas  
Stub  
1/2" x 3/8"  
Reducer  
*A Sediment Trap is recom-  
mended to prevent moisture  
and debris in gas line from  
damaging the valve.  
3/8" Nipple  
3/8" Union  
3/8" Close Nipple  
Note:The gas supply line must be installed in  
accordance with building codes by a qualified  
installer approved and/or licensed as requed by  
the locality. In the Commonwealth of Massachu-  
setts, installation must be performed by a licensed  
plumber or gas fitter.  
3/8" Shut-off Valve  
The incoming gas line should be piped into  
the valve compartment and connected (see  
Figures 47 & 48). The millivolt control  
valve has a 3/8" (10 mm) NPT thread  
inlet port. The electronic control valve  
has a 1/2" (13 mm) NPT thread inlet port  
and is fitted with a 1/2" x 3/8" (13 mm x  
10mm) NPT fitting.  
Figure 47  
WARNING  
Never use an open flame to check for leaks.  
Control Compartment Access  
Secure all joints tightly using appropriate  
toolsandsealingcompounds(ensurepropane  
resistant compounds are used in propane  
applications).  
OFF/PILOT/ON (gas control knob)  
Glass Door is Above  
Control Compartment  
HI/LO (flame height  
control knob)  
Optional: Seal around the gas line to prevent  
cold air leakage.  
Gas Flex Line  
Optional OFF/ON  
Switch Can be  
Installed Here  
TEST ALL CONNECTIONS FOR GAS LEAKS  
(FACTORY AND FIELD):  
Latch for  
Glass Door  
Gas Valve  
Turn on gas supply and test for gas leaks using a  
gas leak test solution (also referred to as bubble  
leaksolution). Note:Usingasoapywatersolution  
(50% dish soap, 50% water) is an effective leak  
test solution but it is not recommended, because  
the soap residue that is left on the pipes/fittings  
can result in corrosion over time.  
Piezo Igniter  
Figure 48  
CONTROL COMPARTMENT ACCESS/LOUVER  
Lift the Lower Control  
Compartment Door  
up and pull out to  
remove.  
PANEL INSTRUCTIONS (Ref. Figure 49)  
OPENING CONTROL  
COMPARTMENT DOOR  
Turnongassupplyandtestforgasleaksusing  
a gas leak test solution.  
A. Light the appliance (refer to the lighting  
instructions label in control compartment  
or homeowner's manual).  
NOTE: The top louvered panel and the bottom  
louvered control panel door remove and install  
the same way as follows:  
Hook Catch  
Out  
Thegascontrolscanbefoundbehindthecontrol  
compartment access door.  
Control Valve  
B. Brush all joints and connections with the gas  
leaktestsolutiontocheckforleaks. Ifbubbles  
are formed, or gas odor is detected, turn the  
gas control knob (off/pilot/on) to the “OFF”  
position. Eithertightenorrefastentheleaking  
connection, then retest as described above.  
C. Whenthegaslinesaretestedandleakfreebe  
sure to rinse off the leak testing solution,  
D. Turn on burner then observe the individual  
tongues of flame on the burner. Make sure  
allportsareopenandproducingflameevenly  
acrosstheburner. Ifanyportsareblocked,or  
partially blocked, clean out the ports.  
Up  
Removing Control Compartment Door:  
Openthedoorby gentlyliftingitupwarduntilthe  
hook catches on boths sides clear the locating  
slots. Then pull door out to remove.  
Lower Control  
Compartment Door  
Figure 49  
On millivolt systems, the piezo igniter, HI/LO  
flame adjustment knob, and pilot and main  
gas OFF/ON control knob are located below  
the glass panel enclosure. The gas valve for  
electronic systems is also located below the  
glass enclosure panel. See Figure 48.  
Reinstalling Control Compartment Door:  
To reinstall, insert the hook catches on each  
side of the door into the corresponding slots  
in the control compartment opening, then  
gently push forward and slide down until it  
locks in place.  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
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Step 7. CHECK APPLIANCE OPERATION  
Burner / Grate Location Reference  
ELECTRONIC  
(see Figures 53 & 54)  
With the gas line installed, run initial system  
checkout before closing up the front of the  
appliance. Follow the pilot lighting instructions  
provided in the Homeowner's Care and Opera-  
tion Instructions. For piezo igniter location see  
Figure 48 (millivolt appliances only).  
3/8" to 1/2"  
(9 -13 mm)  
Proper Flame  
Adjustment  
Note: If the burners have been removed for  
any reason, rear burner must be installed  
before front burner. See Figures 53 and 54.  
Pilot  
Nozzels  
Ground  
Electrode  
NOTE: INSTALL REAR BURNER FIRST,  
THEN FRONT BURNER.  
Note:The(pull-out)Lightinginstructionslabel  
can be found in the control compartment  
(see Figure 48).  
BURNER  
BRACKET A  
PORTS  
REAR BURNER  
Flame Rod  
Hot Surface  
Igniter  
When first lighting the appliance, it will take  
a few minutes for the line to purge itself of  
air. Once purging is complete, the pilot and  
burner will light and operate as indicated in  
the instruction manual. Subsequent lightings  
of the appliance will not require such purging.  
Inspect the pilot flame.  
Figure 51  
PILOT  
BURNER  
Step 8. INSTALLING LOG SET, VOLCANIC  
STONE AND GLOWING EMBERS  
FRONT BURNER  
Millivolt Appliance Checkout  
WARNING  
Note: The burners are not identical. Position them so  
that the circular burner ports run as shown. Note  
especially the vertical run of ports relative to the pilot  
burner. Bracket A on the rear burner will interfere  
with the pilot burner if an attempt is made to install  
the rear burner in the front burner’s position.  
The pilot flame should be steady, not lifting  
or floating. Flame should be blue in color with  
traces of orange at the outer edge.  
DO NOT attempt to install logs  
until the appliance installation  
hasbeencompleted,thegasline  
connected and tested for leaks  
and the initial burner operation  
has been checked out.  
The top 3/8" (10 mm) at the pilot generator  
(thermopile) and the top 1/8" min (tip) of the  
quickdropoutthermocoupleshouldbeengulfed  
in the pilot flame. The flame should project 1"  
(25 mm) beyond the hood at all three ports  
(Figure 50).  
Figure 53  
NOTE: INSTALL REAR BURNER FIRST,  
THEN FRONT BURNER.  
Outer Log  
Notch Location  
REAR BURNER  
Tolighttheburner;rotatethegasvalvecontrolknob  
counterclockwise to the “ON” position then turn  
“ON” the OFF/ON switch (installed at Step 4).  
WARNING  
Outer Log  
Notch Location  
Riser - Inner Log  
Notch Location  
Logs get very hot and will remain  
hotuptoonehouraftergassupply  
is turned off. Handle only when  
logs are cool. Turn off all elec-  
tricitytotheappliancebeforeyou  
install grate and logs.  
Observe the individual tongues of flame on  
the burner. Make sure all ports are open and  
producing flame evenly across the burner. If  
any ports are blocked, or partially blocked,  
clean out the ports.  
Riser - Inner Log  
Notch Location  
Outer Log  
Notch Location  
Outer Log  
Notch Location  
FRONT BURNER  
Pilot Assembly  
SIT MILLIVOLT PILOT ASSEMBLY  
Proper Pilot Flame Appearance  
WARNING  
Igniter Rod  
Hood  
Thisapplianceisnotdesignedto  
burn wood. Any attempt to do so  
couldcauseirreparabledamage  
to the appliance and prove haz-  
ardous to your safety.  
FIREBOX SUBFLOOR  
FRONT OF FIREPLACE  
Thermocouple  
3/8" Min.  
(9 mm)  
LOG NOTCH LOCATION RELATIVE TO BURNER  
Figure 54  
Proper Burner Flame Appearance  
Figure 52  
Pilot  
Nozzels  
Thermopile  
Figure 50  
Electronic Appliance Checkout  
To light the burner, turn ‘ON’ the OFF/ON switch  
(locatedinthecontrolcompartment).Ensurethe  
igniter lights the pilot. The pilot flame should  
engulf the flame rod as shown in Figure 51.  
Unitized Log Set  
Observe the individual tongues of flame on  
the burner. Make sure all ports are open and  
producing flame evenly across the burner. If  
any ports are blocked, or partially blocked,  
clean out the ports.  
Volcanic Stone  
28  
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Removing Glass Enclosure Panels  
(see Figure 55)  
LOG & VOLCANIC STONE INSTALLATION  
PROCEDURE:  
WARNING  
1. Remove the top louver assembly by lifting it  
up and pulling it out.  
Do not attempt to substitute the  
materials used on this door, or  
replace cracked or broken glass  
with any materials other than  
those provided by the appliance  
manufacturer.  
2. Remove the control compartment access  
door (see removal instructions on Page 27  
- Removing Control Compartment Door).  
3. Locate the two (2) latches at the top of the  
control compartment. To disengage the two  
latches from the bottom vee-flange of the  
glass enclosure panel, reach for the handles  
located towards the back of the latches and  
pull the handles down toward the front of  
the appliance.  
WARNING  
Iflogsarenotinstalledaccording  
to the log installation instruc-  
tions, flame impingement and  
improper combustion could  
occur and result in soot and/or  
excessive production of carbon  
monoxide (CO), a colorless,  
odorless, toxic gas.  
WARNING  
4. Swing the bottom of the door out and raise  
it slightly to lift the top flange of the door  
frame away from the appliance.  
Handle this glass with extreme  
care! Temperedglassissuscep-  
tible to damage – do not scratch  
orhandleroughlywhilereinstall-  
ing the glass door frame.  
Installing Glass Enclosure Panels  
(see Figure 55)  
Thelogsetfoampackageislocatedinthefirebox  
and the bags of decorative volcanic stone and  
the glowing embers (rockwool) are located in  
thecontrolcompartment.Refertothefollowing  
information and Figures 52 and 54 for detailed  
placement instructions.  
1.Visuallyinspectthegasketonthebacksideofthe  
glass panel. The gasket surface must be clean,  
free of irregularities and seated firmly.  
2. Position the glass enclosure panel in front of  
the firebox opening at a 45 degree angle and  
engage the top flange over the lip at the top  
of the firebox opening. See Figure 55.  
3. Swing the glass enclosure panel down and  
back. Ensure the gasket seats evenly as the  
panel draws shut. Engage the Vee-flange at  
the bottom of the panel with the latches and  
close the latches to secure the panel.  
4. Reinstall top louver assembly and control  
compartmentdoorseeinstallationinstructions  
on Page 27, Reinstalling Control Compart-  
ment Door).  
WARNING  
The glass door of this appli-  
ance must only be replaced as a  
complete unit as provided by the  
manufacturer. Do not attempt to  
replacebroken,crackedorchipped  
glass separately.  
Install the decorative volcanic stone and  
glowing embers (rockwool):  
Spread the decorative volcanic stone on the  
simulated brick floor of the firebox around  
the burners to simulate ashes. Maintain a 1/2  
inch (13 mm) gap between the bottom of the  
horizontal grate section and the top of the pile  
of decorative volcanic stone. Place a few dime-  
sized pieces of the glowing ember material  
on the pan burner in front of the burned out  
area on both sides of the log set. The glowing  
embers may touch one another, but should not  
overlap each other.  
Top Flange on  
Glass Door  
Glass Door  
Step 10. BURNER ADJUSTMENTS  
Flame Appearance and sooting  
Proper flame appearance is a flame which is  
blue at the base and becomes yellowish-orange  
in the body of the flame. When the appliance  
is first lit, the entire flame may be blue and will  
gradually turn yellowish-orange during the first  
15 minutes of operation. If after a short period  
the flame stays lowered blue, or if the flame is  
orange with evidence of sooting (black tip), the  
air shutter opening may need to be adjusted.  
Install the unitized log set:  
a. The bottom of the log set is notched to ac-  
commodate the pilot.  
b. Placethelogsetsothatthe fourinnernotches  
on the underside of the log set fit over the  
four risers located on the burner ends. See  
Figure 52. This procedure is accomplished  
primarily by feel, as the log set masks the  
burner risers as it is being installed.  
c. Asafinalcheckforcorrectlogsetplacement,  
check that the four outer notches on the  
underside of the log set fit over the burner  
tines as indicated in Figure 52.  
Iftheairshutteropeningsclosedtoofar,sooting  
maydevelop.Sootingisindicatedbyblackpuffs  
developingatthetipsofverylongorangeflames.  
Sootingresultsinblackdepositsformingonthe  
logs, appliance inside surfaces and on exterior  
surfacesadjacenttotheventtermination. Soot-  
ing is caused by incomplete combustion in the  
flames and lack of combustion air entering the  
air shutter opening. To achieve a warm yellow-  
ish-orangeflamewithanorangebodythatdoes  
not soot, the shutter opening must be adjusted  
between these two extremes.  
Bottom Vee-flange  
Glass Door  
Firebox Floor  
Glass Door Latch  
Step 9. INSTALLING THE GLASS DOOR  
Figure 55 - INSTALLING GLASS DOOR  
WARNING  
WARNING  
Do not attempt to touch the front  
enclosure glass with your hands  
while the fireplace is in use.  
Do not operate appliance with  
theglassfrontremoved,cracked  
or broken. Replacement of  
the glass should be done by a  
licensed or qualified service  
technician.  
Air Shutter Adjustment Guidelines  
• If there is smoke or soot present, first check  
the log set positioning to ensure that the  
flames are not impinging on any of the logs.  
If the log set is properly positioned and a  
sooting condition still exists, then the air  
shutter opening should be increased.  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
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• Themoreoffsetsintheventsystem,thelarger  
the air shutter opening will need to be.  
Burner Air Shutter Adjustment Procedure  
Step 11. HOOD INSTALLATION  
All of these appliances must have hoods  
installed prior to operating (see Figure 57).  
• An appliance operated with the air shutter  
opened too far, may have flames that appear  
blue and transparent. These weak, blue and  
transparent flames are termed anemic.  
• Propane models may exhibit flames which  
candle or appear stringy. If this is present and  
persists, adjust the air shutter to a more closed  
position, then operate the appliance for a few  
moreminutestoensurethattheflamenormal-  
izes and the flames do not appear sooty.  
The following chart is provided to aid you in  
achieving the correct air shutter adjustment  
for your installation.  
1. Locateadjustmentrodandadjustairshutter  
to the standard setting as shown in Figure  
56 (adjustment rod is located in the lower  
control area).  
Slide the hood into the slots on the lower edge  
of the cabinet top (see Figure 57).  
Note: Rotating the adjustment rod coun-  
terclockwise decreases air and clockwise  
increases air.  
FINISHING REQUIREMENTS  
Wall Details  
2. Light appliance (follow lighting procedure  
on lighting label in control compartment or  
see homeowners manual).  
3. Allow the burner to operate for at least 15  
minutes while observing the flame continu-  
ouslytoensurethattheproperflameappear-  
ance has been achieved (see Figure 52). If  
the following conditions are present, adjust  
accordingly.  
Complete finished interior wall. To install the  
appliance facing flush with the finished wall,  
position framework to accommodate the thick-  
ness of the finished wall (Figure 57).  
See Page 5 for Cold Climate Insula-  
tion and Page 9 for Clearances.  
Air Shutter Adjustment Guidelines:  
Amount of  
Primary Air  
Flame  
Color  
Air Shutter  
Adjustment  
• If flame appears weak or sooty, adjust  
theairshutter, incrementally, toamore  
open position until the proper flame  
appearance is achieved.  
• If flame stays lowered blue, adjust the  
air shutter, incrementally, to a more  
closed position until the proper flame  
appearance is achieved.  
If air shutter is  
closed too far  
Flame will Air shutter  
be orange gap should be  
increased  
This Area Must  
Remain Clear of  
3"  
If air shutter is  
open too far  
Flame will Air shutter  
be blue gap should be  
decreased  
(76 mm)  
Combustible  
Combustible  
Materials  
Finished  
Wall Materials  
1 in. Min.  
(25 mm)  
4. Leave the control knob (off/pilot/on) in the  
ON position and the burner OFF/ON switch  
OFF (& remote switches, if applicable).  
5. When satisfied that the burner flame ap-  
pearance is normal, close the lower control  
compartment door then proceed to finish  
the installation.  
WARNING  
Airshutteradjustmentshouldonly  
beperformedbyaqualifiedprofes-  
sional service technician.  
Top Spacers  
Drywall  
Bracket/Spacer  
Air Shutter  
Adjusting  
Rod  
Combustible  
Top of Appliance  
Louvers  
Top of Door Frame  
material may  
touch  
Burner  
Venturi  
Tube  
Air Shutter  
Opening  
WARNING  
Ensure glass panels are in place  
and sealed during adjustment.  
appliance  
top  
Orifice  
Hood must be installed as shown.  
Figure 57 - Combustible Wall Framing  
CAUTION  
Carbon/soot will be produced  
if the air shutter is closed too  
much. Any damage due to  
carbon/sooting resulting from  
improperly setting the air shut-  
ter is not covered under the  
warranty.  
Increase Shutter  
Opening In This  
Direction  
Air Shutter  
Adjusting  
Decrease Shutter  
Opening In This  
Direction  
Arms  
Ref. Air shutter Patent:  
U.S. Pat. 5,553,603  
Note - Both air shutters open and close simultaneously  
when the air shutter adjusting rod is moved.  
Note - Burners are omitted in this view for clarity.  
***Main Burner Factory Air Shutter  
Opening Setting - All Models  
CAUTION  
Natural Gas  
Propane Gas  
inches (millimeters)  
inches (millimeters)  
The air shutter door and nearby  
appliancesurfacesarehot.Exer-  
cisecautiontoavoidinjurywhile  
adjusting flame appearance.  
* TWO 1/8 (3) Slots  
** TWO 11/16 (17) Slots  
Adjustment Rod Positions, viewed from above:  
* Natural Gas - fully clockwise  
** Propane- fully counter clockwise  
***Settings are shown for each burner.  
Figure 56  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
30  
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INSTALLATION ACCESSORIES  
Item  
Cat. No.  
Model  
Description  
1
1
H1968  
SV4.5HT-2  
Horizontal Square Termination With Firestop / spacer  
(H2246) & Adapter (74L61)  
2a  
2b  
2b  
2b  
3
H2152  
H4687  
H4716  
H4717  
77L70  
77L71  
77L72  
77L73  
77L74  
77L75  
77L76  
77L77  
SV4.5CGV-1  
SV4.5CTS  
SV4.5CTS-B  
SV4.5CTS-TC  
SV4.5L6  
Vertical Termination Cap  
Chase Top Termination Square  
Chase Top Termination Square, Black  
Chase Top Termination Square, Terra Cotta  
6 Inch (152 mm) Vent Section  
12 Inch (305 mm) Vent Section  
24 Inch (610 mm) Vent Section  
36 Inch (914 mm) Vent Section  
48 Inch (1219 mm) Vent Section  
Telescopic Section (1-1/2" to 7-1/2" effective length)  
45 Degree Elbow  
3
SV4.5L12  
SV4.5L24  
SV4.5L36  
SV4.5L48  
SV4.5LA  
3
3
3
3
3
4
SV4.5E45  
SV4.5E90  
5
90 Degree Elbow  
4
5
The following flashings come packaged with a storm collar:  
6
6
6
77L78  
77L79  
77L80  
SV4.5F  
Flat Roof Flashing  
SV4.5FA  
SV4.5FB  
1/2 to 7/12 Adjustable Flashing  
7/2 to 12/12 Adjustable Flashing  
6
7
8
77L81  
H2246  
SV4.5SC6  
SV4.5HF  
Storm Collar (6 per box)  
Firestop / Spacer-Horizontal (3-1-1 spacing), 10 Pack  
8
H2247  
96K93  
96K94  
96K92  
17M52  
SV4.5VF  
Firestop / Spacer-Vertical (1-1-1 spacing), 10 Pack  
Support Strap  
9
SV4.5SU  
SV4.5RSA  
SV4.5SP  
10  
11  
12  
Attic Insulation Shield  
Support Plate  
7
SV4.5HGS-1  
Termination Guard, Square (1 pack)  
(for square termination)  
12  
13  
17M53  
87L02  
SV4.5HGS-12  
SV4.5HGS  
Termination Guard, Square (12 pack)  
(for square termination)  
Termination Guard for Square Termination (Deluxe)  
(1 pack) (for square termination)  
12  
11  
8
10  
9
Ref. 750,109M  
13  
2a  
2b  
Ref. 750,055M  
Ref. 750,207M  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
31  
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Item Cat. No.  
Model  
Description  
19  
18  
18  
18  
18  
18  
18  
19  
H1969  
77L87  
77L88  
77L89  
77L90  
77L91  
56L74  
SF4.5HT-2 Horizontal Square Termination (without flex)  
SFKIT12S Flex Square Term. (with 12 inch [305 mm] * compressed flex)  
SFKIT18S Flex Square Term. (with 18 inch [457 mm] * compressed flex)  
SFKIT24S Flex Square Term. (with 24 inch [610 mm] * compressed flex)  
SFKIT36S Flex Square Term. (with 36 inch [914 mm] * compressed flex)  
SFKIT48S Flex Square Term. (with 48 inch [1219 mm] * compressed flex)  
SFVT30  
VerticalTerminationforflex (flatto6/12)withflexadapter, sectionofrigidvent,  
roof support collar assembly, roof flashing and storm collar.  
19  
56L75  
SFVT45  
Vertical Termination for flex (6/12 to 12/12) with flex adapter, section of rigid  
vent, roof support collar assembly, roof flashing and storm collar.  
*20  
*20  
22  
22  
23  
23  
25  
26  
26  
26  
8
60L10  
98K03  
10K81  
89L40  
91L66  
91L67  
H1988  
H1985  
H1987  
H1986  
H2248  
H2249  
SF-18  
SF-12  
18 ft. (5.49 m) * compressed flex  
12 ft. (3.66 m) * compressed flex  
SFMP  
Mill-Pac, Black, High Temperature Sealant  
Mill-Pac, Black, High Temperature Sealant - Bulk 12 pack  
Gear Clamp 4.5 in. (114 mm) for flex (6 pieces)  
Gear Clamp 7.5 in. (190.5 mm) for flex (6 pieces)  
Chase Top Shroud Kit, Arch Top 3 X 3  
SFMP-12  
SF-GC4-6  
SF-GC7-6  
CTSA-33  
CTSO-33  
CTSO-44  
CTSO-46  
SF4.5HF  
SF4.5VF  
Chase Top Shroud Kit, Open Top 3 X 3  
Chase Top Shroud Kit, Open Top 4 X 4  
Chase Top Shroud Kit, Open Top 4 X 6  
Firestop / Spacer - Horizontal (flex) (3-1-1 spacing), 10 Pack  
Firestop / Spacer - Vertical (1-1-1 spacing), 10 Pack  
8
1
typ.  
All compressed flex vents can be  
expanded up to two times.  
*
CTSO-46 Shroud  
26  
E
for double  
terminations  
25  
2a  
2b  
C
2a  
2b  
2b  
18  
2a  
D
2a  
B
A
A
Ref. Form #750,193M  
B
C
1
typ.  
D
C
typ.  
2
E
D
Ref. Form #750,194M  
B
A
CTSO-33/44 Shrouds  
for Single terminations  
20  
23  
Closed Top Shroud Termination Kits  
Inches (millimeters)  
Open Top Shroud Kits  
Inches (millimeters)  
Model  
A
B
C
D
Model  
A
B
C
D
*E  
37-5/8 37-5/8 7-1/2 24-1/2  
(955) (955) (191) (622)  
3
CTSO-33  
34"  
5"  
34"  
34"  
CTSA-33  
(76)  
22  
(864) (127) (864) (864)  
S
e
a
l
a
n
t
48-5/8 48-5/8 7-1/2 24-1/2  
(1235) (1235) (191) (622)  
3
(76)  
CTSO-44  
CTSO-46  
48-5/8 73 1/4 7-1/2 24-1/2  
(1235) (1860) (191) (622)  
3
(76)  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
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GAS CONVERSION KITS  
Gas conversion kits are available to adapt the  
appliance from the use of one type of gas to  
the use of another. These kits contain all the  
necessarycomponentsneededtocompletethe  
task including labeling that must be affixed to  
ensure safe operation.  
IMPORTANT  
WARNING  
CANADA ONLY  
This conversion kit shall be  
installed by a qualified service  
agency in accordance with the  
manufacturer's instructions and  
all applicable codes and require-  
ments of the authorized having  
jurisdiction. If the information in  
these instructions is not followed  
exactly, a fire, explosion or pro-  
duction of carbon monoxide may  
result causing property damage,  
personal injury or loss of life.  
The installation is not proper and  
completeuntiltheoperationofthe  
convertedapplianceischeckedas  
specifiedintheownerinstructions  
suppliedwiththekit.Thequalified  
service agency performing this  
installationassumesresponsibil-  
ity for this conversion.  
The conversion shall be carried  
outinaccordancewiththerequire-  
mentsoftheprovincialauthorities  
having jurisdiction and in accor-  
dance with the requirements of  
the CAN1-B149.1 And B149.2  
Installation code.  
Kitpartnumbersarelistedhereandthefollowing  
steps detail the conversion procedure.  
Step1.Turnoffthegassupplytotheappliance.  
Removethefrontglassdoor/framefromtheap-  
pliance (see Removing Glass Enclosure Panels  
onPage29).Removethecontrolcompartment  
door(seeControlCompartmentDoorRemoval  
on Page 27).  
ATTENTION  
LE CANADA SEULEMENT  
Step 2. Carefully remove the logs. Exercise  
care so as not to break the logs.  
La conversion devra être effec-  
tuée conformément aux recom-  
mandations des autorités pro-  
vinciales ayant juridiction et  
conformémentauxexigencesdu  
coded'installationCAN1-B149.1  
Et.2.  
Step 3. Referring to Figure 58, remove the  
front burner and then the rear burner.  
NOTE: REMOVE FRONT BURNER FIRST,  
THEN REAR BURNER.  
REAR BURNER  
VENTURI  
TUBE ARM  
AVERTISSEMENT  
Natural Gas to Propane Gas  
Conversion Kits  
FRONT BURNER  
Cet Équipement de conversion  
sera installÉ par une agence  
qualifiÉe de service conformÉ-  
ment aux instructions du fabri-  
cantettoutesexigencesetcodes  
applicables de l’autorisÉs avoir  
la juridiction. Si l’information  
dans cette Instruction n’est pas  
suivieexactement,unfeu,explo-  
sion ou production de protoxyde  
de carbone peut rÉsulter le  
dommages causer de propriÉtÉ,  
perte ou blessure personnelle  
de vie. L’agence qualifiÉe  
de service est esponsable de  
l’installation propre de cet  
Équipment. L’installation n’est  
pas propre et complÉte jusqu’à  
l’opÉrationdel’appareilconverti  
est chÉque suivant les critères  
Établis dans les instructions de  
propriÉtaire provisionnÉes avec  
l’Équipement.  
VENTURI  
Fireplace  
Type  
Cat. No.  
(model)  
TUBE ARM  
AIR SHUTTER  
ADJUSTMENT LEVER  
85L65  
FGCK-DMOMNP  
Millivolt  
85L79  
FGCK-DMOENP  
Electronic  
FIREBOX SUBFLOOR  
FRONT OF FIREPLACE  
Table 12  
Propane Gas to Natural Gas  
Conversion Kits  
Figure 58  
Fireplace  
Type  
Cat. No.  
(model)  
Step 4. Millivolt Appliances - SIT Systems  
a. See Figure 59 and the instructions  
provided with the kit. Using a Torx T20,  
tool or or standard flat screwdriverremove  
and discard the three pressure regulator  
mounting screws. Remove the pressure  
regulator, spring, poppet, diaphragm and  
bushing. Discard all removed components.  
Ensure the rubber gasket installed on the  
back of the replacement pressure regulator  
is properly positioned and install the new  
pressure regulator using the new screws  
supplied with the kit. Tighten screws to 25  
In. lb. torque.  
85L72  
FGCK-DMOMPN  
Millivolt  
85L86  
FGCK-DMOEPN  
Electronic  
Table 13  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
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When reinstalling the igniter assembly, use  
extreme care to prevent damage and break-  
age. Do not apply any leverage to the igniter  
assembly while restoring the retainer clip to  
its original position.  
b. Attach manometer to the manifold side  
pressuretestfittingandverifymanifoldpres-  
sure reads 3.5 inches water column (0.87  
kPa) for natural gas, and 10.0 inches water  
column (2.49 kPa) for propane gas.  
Electronic Appliances  
Step 7. Honeywell Electronic Valves - See  
Figure 61 and the instructions provided with  
the kit. Remove the slotted cap screw, o-ring,  
pressure-regulatingadjustingscrewandspring.  
Retain all parts for possible later use. Install  
new components from the kit. Black cap and  
red spring for propane gas appliances. Silver  
cap and stainless steel spring for natural gas  
appliances. Before installing the cap, attach  
manometer to the manifold side pressure test  
fitting and adjust screw until pressure reads  
3.5 inches water column (0.87 kPa) for natural  
gas, and 10.0 inches water column (2.49 kPa)  
for propane gas.  
c.RefertoFigure60andremovethepilothood  
assembly to access the hexed pilot orifice.  
Remove and replace the orifice with the one  
provided with the kit.  
Pilot  
Assembly  
Pilot  
Orifice  
Igniter  
Assembly  
SIT Millivolt Gas Valve  
Pressure  
Regulator  
SeeFigure62 andreplacethepilotorificeasfol-  
lows: Removetheigniterassemblyretainerclip,  
and carefully remove the igniter assembly.  
Retaining  
Flare Nut  
Clip  
Note: If the igniter is damaged, a replacement kit  
is available, order Catalog No. 87L54.  
Gas Valve  
Assembly  
Figure 62  
Remove  
These  
Components  
All Models  
Figure 59  
Manifold  
Pressure  
Test Port  
Step 8. (Refer to Figure 58 on Page 33)  
A. Remove the two orifices from the manifold  
and replace them with the ones provided in the  
kit. Table 14 shows the orifice sizes for natural  
and propane models. Figure 63 illustrates the  
orifice.  
Slotted  
Cap  
Pilot for SIT Millivolt  
Gas Valve  
Spring  
Adjusting  
Screw  
B. Install rear burner first, followed by front  
burner, as shown in Figure 64. Ensure that the  
armoftheventuriofeachburnerishookedonto  
the air shutter adjustment lever (refer to Figure  
58 on Page 33). The primary air opening can  
be adjusted by rotating the adjustment lever  
from beneath the firebox floor. Refer to Figure  
56 on Page 30 for the recommended minimum  
primary air opening setting.  
Figure 61  
Pilot  
Orifice  
Exercise extreme care to prevent damage to  
or breakage of the igniter assembly.  
Remove the screw securing the pilot assembly  
to its mounting bracket. Back off the flare nut  
at the end of the pilot gas line to free the pilot  
assembly from the gas line. Remove the pilot  
orifice and replace it with the one provided with  
the conversion kit. Reinstall the pilot assembly  
by reversing the steps detailed here.  
Figure 60  
• • Burner Orifice Sizes (all models)  
Step 5. Attach manometer to the manifold side  
pressure test fitting and verify manifold pres-  
sure reads 3.5 inches water column (0.87 kPa)  
for natural gas, and 10.0 inches water column  
(2.49 kPa) for propane gas.  
Elevation  
Natural Gas  
Propane  
Feet (meters)  
drill size (inches)  
Gas  
drill size (inches)  
0-4500  
(0-1372)  
#44 (.086")  
60J8001 •  
#55 (.052")  
*
*
19L5201 •  
Step 6. Refer to Figure 60 and remove the  
pilot hood assembly to access the hexed pilot  
orifice. Remove and replace the orifice with  
the one provided with the kit.  
* Standard size installed at factory  
• Part /Cat. Number  
• • Each model has two burners & 2 Orifices  
Table 14  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
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BURNER ORIFICE  
BURNER POSITIONING  
NOTE: INSTALL REAR BURNER FIRST,  
THEN FRONT BURNER.  
BURNER  
PORTS  
BRACKET A  
REAR BURNER  
Figure 63  
Step9.Reassembletheremainingcomponents  
by reversing the procedures outlined in the  
preceding steps. Use pipe joint compound or  
Teflon tape on all pipe fittings before installing  
(ensurepropaneresistantcompoundsareused  
in propane applications, do not use pipe joint  
compounds on flare fittings).  
PILOT  
BURNER  
Step 10. Attach the conversion label provided  
in the conversion kit to the rating plate on the  
appliance.  
FRONT BURNER  
Note: The burners are not identical. Position them so  
that the circular burner ports run as shown. Note  
especially the vertical run of ports relative to the pilot  
burner. Bracket A on the rear burner will interfere with  
the pilot burner if an attempt is made to install the  
rear burner in the front burner’s position.  
Step 11. Turn on gas supply and test for gas  
leaks.  
Figure 64  
35  
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NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.  
LHP reserves the right to make changes at any time, without notice, in design, materials, specifications, prices and also to discontinue colors, styles and products. Consult your local distributor  
for fireplace code information.  
Printed in U.S.A. © 2005 by LHP  
LHP  
P/N 700,031M REV. C 11/2006  
1110 West Taft Avenue • Orange, CA 92865  
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