INSTALLATION
INSTRUCTIONS
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
DIRECT VENT
SSDV-35/40 SERIES
A French manual is available upon request. Order P/N 700,029CF
Ce manuel d’installation est disponible en francais, simplement en
faire la demande. Numéro de la pièce 700,029CF.
DIRECT VENT GAS FIREPLACE HEATERS
P/N 700,029M REV. E 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
SSDVT-3530CNM
SSDVR-3530CNM
SSDVT-4035CNM
SSDVR-4035CNM
SSDVT-3530CNE
SSDVR-3530CNE
SSDVT-4035CNE
SSDVR-4035CNE
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:IFTHEINFORMATIONINTHISMANUAL
IS NOT FOLLOWED EXACTLY, A FIRE OR EXPLO-
SIONMAYRESULTCAUSINGPROPERTYDAMAGE,
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.
FOR YOUR SAFETY: Do not store or use gasoline
or other flammables or liquids in the vicinity of
this or any other appliance.
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: What to do if you smell gas:
• DO NOT light any appliance.
POUR VOTRE SÉCURITÉ: Que faire si vous sentez
une odeur de gaz:
• 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
qualifié installeur, agence de service ou le fournis-
seur de gaz.
OTL Report No. 116-F-29-5
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Input (BTU) Manually-Modulated Gas
Valves (millivolt models)
Manifold Gas Supply Pressure
(electronic models)
SIT Millivolt Gas Valve
NATURAL GAS
Fuel #
Max. Manifold Pressure
(Hi) 3.5" WC (.87 kPa)
(Hi) 10.0" WC (2.49 kPa)
HI/LO Variable
Inlet Pressure Tap
Manifold Pressure Tap
Flame Height
Adjustment
Models
Input Rate (BTU / HR)
Natural Gas
Propane
23,000 high
17,500 low
SSDV-3530CNM
O U T I N
Table 6
29,000 high
21,500 low
SSDV-4035CNM
I
H
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
F
P
I
L
O
L
O
W
T
Table 1
O
N
P
I
L
T
Input (BTU) Manually-Modulated Gas
Valves (millivolt models)
Main Gas
Control Knob
OFF/PILOT/ON
Pilot Adjustment
Screw
* PROPANE GAS
Models
Input Rate (BTU / HR)
Figure 1
These appliances must be isolated from the
gas supply piping system (by closing their
individual manual shut-off valve) during any
pressure testing of the gas supply piping
systemattestpressuresequaltoorlessthan
1/2 psig (3.5 kPa).
23,000 high
17,500 low
SSDV-3530CPM
Honeywell Millivolt Gas Valve
29,000 high
22,500 low
PIEZO
IGNITER
SSDV-4035CPM
CONVERTIBLE
PILOT
ADJUSTMENT
SCREW
HI/LO REGULATOR
(adjusts flame height
and heat output)
GAS CONTROL
KNOB
* If field converted - see Pages 35-37
Table 2
These appliances and their individual shut-off
valves must be disconnected from the gas
supply piping system during any pressure
testing of that system at pressures greater
than 1/2 psig (3.5 kPa).
Electronic Models
TP/TH
N
L
Electronic models have a fixed rate gas valve.
Input of electronic models is shown in Table 3.
O
H
O
TP
TH
Electronic Models with Fixed Rate Gas Valve
Natural and Propane Gas
OUTLET
PRESSURE
TAP
WIRING
TERM-
INALS
INLET
PRESSURE
TAP
Orifice Sizes - Sea Level to High Altitude
(All Models)
Model Series
SSDV-3530
SSDV-4035
Table 3
Input Rate (BTU / HR)
23,000
Figure 2
These appliances are tested and approved for
installation at elevations of 0-4500 feet (0-1372
meters) above sea level using the standard
burner orifice sizes (marked with an "*" in
Table 7). 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
GasCodeNFPA54/ANSIZ223.1-latestedition
or, in Canada, the CAN1-B149.1 and .2 codes
- latest edition.
29,000
Honeywell Electronic Gas Valve
Manifold Pressure
Port
ON / OFF Switch
Inlet
Gas Pressure - All Models
Tables 4, 5 and 6 show the appliances' gas
pressure requirements:
Pressure
Port
Inlet Gas Supply Pressure
(all models)
Fuel #
Minimum
Maximum
5.0" WC
(1.24 kPa)
10.5" WC
(2.61 kPa)
Natural Gas
Burner Orifice Sizes
Elevation 0-4500 feet ( 0-1372 meters)
Electronic Gas
Control Valve
11.0" WC
(2.74 kPa)
13.0" WC
(3.23 kPa)
Propane
Figure 3
Natural
Propane
Model
Series
Table 4
Gas
Gas
drill size
(inches)
drill size (inches)
New York City, New York (MEA)
Manifold Gas Supply Pressure
(millivolt models)
2.3 mm (.090")
37L70 •
#54 (.055")
99K79 •
*
*
SSDV-3530
Installation of these fireplaces are approved
for installation in New York City in the US state
of New York.
Fuel #
Low
High
#36 (.1065")
18L4001 •
#52 (.0635")
*
*
Natural (Lo) 2.2" WC
(Hi) 3.5" WC
(.87 kPa)
SSDV-4035
LB-55874D •
Gas
(.55 kPa)
* Standard size installed at factory
• Part /Cat. Number
(Lo) 6.3" WC (Hi) 10.0" WC
(1.57 kPa) (2.49 kPa)
Propane
Table 7
Table 5
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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.
4
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SAFETY & WARNIING INFORMATION
WARNING
WARNING
WARNING
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.
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.
If the information in this
manual is not follwed
exactly, a fire or explosion
may result causing prop-
erty damage, personal
injury or loss of life.
WARNING
These fireplaces are vented heat-
ers. Do not burn wood or other
material in these appliances.
Note: An Optional Screen Door or
ScreenPanel fortheglassisavail-
able(seeHomeownersManualfor
ordering information).
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.
AVERTISSEMENT
WARNING
Surveiller les enfants. Garder les
vêtements, lesmeubles, l'essence
ouautresliquidesà vapeurinflam-
mables lin de l'appareil.
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.
WARNING
Do not place clothing or other
flammable materials on or near
this appliance.
AVERTISSEMENT
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.
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.
AVERTISSEMENT
Pour utilisation uniquement avec
les portes en verre certifiêes avec
l'appareil.
IMPORTANT
IMPORTANT
WARNING
It is imperative that the control
compartment, burners and
circulating air passage ways
of the appliance be kept clean.
SeeMaintenanceinstructionsin
Homeowner's Manual.
These appliances must not be
connected to a chimney or flue
serving a separate solid fuel
burning appliance.
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
This appliance may only be fitted
with doors certified for use with
the appliance.
WARNING
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.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
5
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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.
R
A
E
P
A
T
P
R
N
N
L
I
V
O
E
O
I
C
E
V
T
A
N
T
P
A
T
I
C
O
I
T
L
N
P
P
A
APPLICATION
TOP VENT
LOCATION
In selecting the location, the aesthetic and
functional use of the appliance are primary
concerns. However, vent system routing to
the exterior and access to the fuel supply are
also important. Consideration should be given
to traffic ways, furniture, draperies, etc., due
to elevated surface temperatures (Figure 4 ).
The location should also be free of electrical,
plumbing or other heating/air conditioning
ducting.
RECESSED
INSTALLATION
TOP VENT
APPLICATION
These direct vent appliances are uniquely
suited for installations requiring a utility shelf
positioned directly above the fireplace. Utility
shelveslikethesearecommonlyusedforlocat-
ing television sets and decorative plants. Be
awarethatthisisaheatproducingappliance.
Objects placed above the unit are exposed to
elevated temperatures.
VERTICAL VENT
(Rear Vent
HORIZONTAL VENT
(Rear Vent Application
without a chase)
Application)
HORIZONTAL VENT
(Rear Vent Application
With a chase)
To provide for the lowest possible shelf surface
use the alternate rear vent outlet with attached
ventingroutedinawaytominimizeobstructions
to the use of the space above the appliance. Do
not insulate the space between the appliance
and the area above it. See Figure 9. The mini-
mum height from the base of the appliance to
the underside of combustible materials used to
construct a utility shelf in this fashion is shown
in the Table in Figure 9.
VERTICAL VENT
(Top Vent
Application)
HORIZONTAL VENT
(Top Vent
Application)
Figure 4 - Typical Locations
The appliance should be mounted on a fully
supported base extending the full width and
depth of the unit. The appliance may be located
onornearconventionalconstructionmaterials.
However, if installed on combustible materials,
such as carpeting, vinyl tile, etc., a metal or
woodbarriercoveringtheentirebottomsurface
must be used.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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Horizontal Vent Termination Clearances
MANUFACTURED HOME
REQUIREMENTS
VENT TERMINATION CLEARANCES
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 6. For projections
exceeding 2 1/2" (64 mm), see Figure 6. For
additional vent location restrictions refer to
Figure 7 on Page 8.
Theseinstructionsshouldbeusedasaguide-
line 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.
This appliance may be installed in an after-
market permanently located, manufactured
home (USA only) or mobile home, where not
prohibited by local codes.
Cet appareil peut être installé dans un maison
préfabriquée (É.-U. seulement) ou mobile déjà
installée à demeure si les réglements locaux
le permettent.
Terminate multiple vent terminations according to
the installation codes listed above.
Horizontal Vent Termination Clearances
Terminate single vent caps relative to building
components according to Figure 5.
Combustible Projection
2-1/2 inches or less in length
Combustible Projection greater
than 2-1/2 inches in length
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, and CAN / CSA Z240 MH Mobile Home
Standard in Canada
Vertical Vent Termination Clearances
Ventilated
Soffit
TERMINATION HEIGHTS FOR VENTS ABOVE
FLAT OR SLOPED ROOFS
Horizontal Overhang
Unventilated
Soffit
3"
2 FT
MIN.
Vertical
Wall
18"
12"
(76 mm)
2 FT MIN.
(457 mm)
(305 mm)
Lowest
Discharge
Opening
Vent
Termination
Note - See Figure 33 on
Page 20 for the exterior
wall recess allowances
of the square horizontal
termination.
• (when applicable) The American National
StandardforManufacturedHomes(NCSBCS
/ ANSI A225.1 - latest edition).
H*
Storm Collar
Flashing
X
12
Roof Pitch is X/12
Termination Kit
1 inch (25.4 mm) Minimum
Clearance to Combustibles
Side Elevation View
Figure 6
Concentric
Vent Pipe
*H = MINIMUM HEIGHT FROM ROOF TO
LOWEST DISCHARGE OPENING OF VENT
CAUTIONS
Ensure that the cross members
are not cut or weakened during
installation.Thestructuralinteg-
rity of the manufactured home
floor,wall,andceiling/roofmust
be maintained.
The vent / air intake termination clearances
above the high side of an angled roof is as
shown in the following chart:
Termination Heights For Vents
Above Flat Or Sloped Roofs
Ref. NFPA 54 / ANSI Z223.1, 7.6
Roof Pitch
Flat to 6/12
* Feet
1.0
*Meters
0.3
Thisappliancemustbegrounded
to the chassis of the manufac-
tured 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
ElectricalCodeCSAC22.1-latest
edition.
6/12 to 7/12
1.25
1.5
0.38
0.46
0.61
0.76
0.99
1.22
1.52
1.83
2.13
2.29
2.44
7/12 to 8/12
8/12 to 9/12
2.0
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
2.5
3.25
4.0
5.0
6.0
7.0
7.5
8.0
Figure 5
7
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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 7
8
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MINIMUM CLEARANCES TO COMBUSTIBLES
Appliance and Vent Clearances
Hearth Extension - A hearth extension is not required with this appliance. If a hearth extension is
used,donotblockthelowercontrolcompartmentdoor.Anyhearthextensionusedisforappearance
only and does not have to conform to standard hearth extension installation requirements.
Theapplianceisapprovedwithzeroclearanceto
combustible materials on all sides (as detailed
in Table 8), with the following exception: When
the unit is installed with one side flush with a
wall, the wall on the other side of the unit must
not extend beyond the front edge of the unit. In
addition,whentheunitisrecessed,thesidewalls
surrounding the unit must not extend beyond
the front edge of the unit. See Figure 4.
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 face (black sheet metal). Never allow combustible materials
to be positioned in front of or overlapping the appliance front face. See Figure 58 on Page 32.
Non-combustible materials, such as surrounds and other appliance trim, may be installed on the
appliance front face with these exceptions: they must not cover any portion of the removable glass
panel or louvers.
MINIMUM CLEARANCES Inches (millimeters)
Back
1/2 (13)
0 (0) Spacers
Vertical installation clearances to combustible mantels vary according to the depth of the mantel.
See Figure 8. 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.
Sides
1/2 (13)
0 (0) Spacers
Top Spacers
Floor
0 (0)
0 (0)
Mantel Depth
inches (millimeters)
14 (356)
Bottom of Appliance
To Ceiling
64 (1626)
12 (305)
10 (254)
8 (203)
6 (152)
Vent
3 (76) Top *
1 (25.4) Sides & Bottom
Top of
Appliance
SERVICE CLEARANCES Feet (meters)
Front 3 ft. (0.9 m)
4 (102)
Table 8
12 10
8
6
4
2
*Note: 3 in. (75 mm) above any horizontal/in-
clined vent component.
(305) (254) (203) (152) (102) (51)
**Note: See Page 10, Step 1 for clearance
requirements to the nailing flange located
at each side of the unit and any screw heads
adjacent to it.
Hood
Figure 8 - Minimum Mantel Clearances
Combustible Shelf Height - Inches (millimeters)
Top Vent - with One 90 Degree Elbow Rear Vent - Straight Out the Back
Minimum Distance to Unprotected Side Wall
Model No.
Combustible materials may project beyond the sides of the fire-
place opening as long as they are kept within the shaded areas
illustrated here.
Secure Vent
Secure Flex
(flex elbow)
Secure Vent
Secure Flex
SSDVT-3530
SSDVR-3530
SSDVT-4035
SSDVR-4035
*48-1/4 (1226)
N/A
N/A
N/A
*
46-1/2 (1181)
N/A
At 14" minimum
At 8-1/4" side
35 1/4 (895)
N/A
35 1/4 (895)
N/A
side wall clearance,
a combustible wall
can project to any
length.
wall clearance, a
combustible wall
can project 12"
Top View of
Fireplace
*51-1/2 (1295)
N/A
*53-1/4 (1353)
N/A
40 1/4 (1022)
40 1/4 (1022)
* Includes 3” clearance to combustibles (required above vent components)
Combustible Materials
Allowed In Shaded
Area “Safe Zone”
o
Do not insulate the
45
space between the
Do not insulate the
5 (127)
12 (305)
19 (483)
appliance and the
area above it.
space between the
appliance and the
area above it.
Combustible Walls
shown in dark gray
*Shelf Height
(
see table)
Shelf Height
(
see table)
Inches (millimeters)
Shelf Above Fireplace With Top Venting
Shelf Above Fireplace With Rear Venting
14
(356)
8-1/4
(209)
Protected wall shown in white
Figure 9 - Shelf Height Minimum Clearances
Figure 10
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
9
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Step 4. (Page 25) Field Wiring
DETAILED INSTALLATION STEPS
a. Millivolt Appliances – Install the operating
control switch (not factory provided) and
bringinelectricalservicelineforforcedair
circulating blower (optional equipment).
b.ElectronicAppliances–Fieldwireandinstall
operating control switch.
Step 5. (Page 25) Install blower kit (optional
equipment).
Step 6. (Page 26) Make connection to gas sup-
ply.
Step 7. (Page 27) Checkout appliance operation.
Step 8. (Page 28) Install the logs, decorative
volcanic stone and glowing embers.
Step 9. (Page 31) Install glass door frame as-
sembly.
Step10.(Page31) Adjustburnertoensureproper
flame appearance.
The appliance is shipped with all gas controls
and components installed and pre-wired. Re-
move the shipping carton, exposing the front
glassdoor. Removethetopandbottomlouvered
control panel per instructions on Page 27 (see
Control Compartment Access / Louver Panel
Instructions). Remove the cardboard from
underneaththepressurereliefplates, inarea
behindtoplouverpanel(seeFigure11). Open
thetwolatches(locatedunderthefireboxfloor)
securing the glass door. Remove the door by
tilting it outward at the bottom and lifting it up.
Setthedoorasideprotectingitfrominadvertent
damage. See Figure 55 on Page 31.
Unit Nailing Flange
(No clearance to
combustible
Side
Framing
framing is required)
Left Side Front Corner of Fireplace Shown
(Right Side Requirements the Same)
Unit Being Secured By Its Nailing Flanges
To The Framing
Note: The nailing flanges, combustible members
and screw heads located in areas directly adjacent
to the nailing flanges, are EXEMPT from the 1/2”
clearance to combustible requirements for the
firebox outer wrapper. Combustible framing may be
in direct contact with the nailing flanges and may
be located closer than 1/2” from screw heads and
the firebox wrapper in areas adjacent to the nailing
flanges. Frame the opening to the exact dimensions
specified in the framing details of this manual.
Pressure Relief Plates
Step 11. (Page 32) Install the hoods.
REMOVE
REMOVE
D
G
BOAR
CARD
D
G
BOAR
CARD
E
USIN
BEFOR
E
USIN
BEFOR
Figure 12
Step 1. FRAMING
Frame these appliances as illustrated in Figure
14 on Page 11, unless the appliance is to be
installed in a corner. See Figure 15 on Page
12 for corner framing installations. All framing
details must allow for a minimum clearance to
combustible framing members as shown in
Table 8 on Page 9.
STEP 2. ROUTING GAS LINE
Remove Cardboard Before
Using Appliance
Route a 1/2" (13 mm) gas line along the inside
of the right side framing as shown in Tables.
Gaslinesmustberouted,constructedandmade
of materials that are in strict accordance with
local codes and regulations. All appliances are
factory-equipped with a flexible gas line con-
nector and 1/2 inch shutoff valve. (See Step 6
on Page 26).
See-Through Model Shown
Figure 11
If the appliance is to be elevated above floor
level, a solid continuous platform must be
constructed.
TYPICAL INSTALLATION SEQUENCE
The typical sequence of installation follows,
however, each installation is unique resulting
in variations to those described.
Headers may be in direct contact with the
appliance top spacers but must not be sup-
ported by them or notched to fit around them.
All construction above the appliance must be
self supporting. DO NOT use the appliance for
structural support.
Right Side Front
Corner of Fire-
place Framing
SeethePagenumbersreferencesinthefollow-
ing steps for detailed procedures.
Step 1. (Page 10) Construct the appliance
framing. Position the appliance within the
framing and secure with nailing brackets.
Step 2. (Page 10) Route gas supply line to
appliance location.
Step 3. (Page 13) Install the vent system and
exterior termination.
Thefireplaceshouldbesecuredtothesideframing
membersusingtheunit'snailingflanges-onetop
andbottomoneachsideofthefireplacefront.See
Figure 12. Use 8d nails or their equivalent.
3"
6 1/2"
(152 mm)
(76 mm)
Also see Figure 14.
Figure 13 - ROUTE GAS LINE
Continued on Page 12.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
10
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FIREPLACE SPECIFICATIONS
**Framing With Square Horizontal Termination SV4.5HT-2
Framing Dimensions - Inches (millimeters)
**Framing should be constructed
VENT FRAMING -
TOP VENT WITH ONE
Models
A
B
C
D
E
of 2 x 4 or larger lumber.
SSDVT-3530
35-1/4 (895)
35-1/4 (895)
35-1/4 (895)
N/A
21-11/16 (551)
N/A
39-3/4 (1010)
N/A
16"
16"
16"
16"
901ELBOW
10-1/2
(267)
SSDVR-3530 35-1/4 (895)
SSDVT-4035 40-1/4 (1022) 40-1/4 (1022)
44-3/4 (1137)
N/A
VENT FRAMING -
REAR VENT WITH
NO ELBOWS
SSDVR-4035 40-1/4 (1022) 40-1/4 (1022) 26-11/16 (678)
7
Notes
Input (BTU) - MV & Electronic
Natural (NG) & Propane (LP) Gas
(178)
5-1/8
* The Steady State Efficiency numbers based on
maximum vent configuration.
(130)
12-1/8
(308)
Models
Fuel Input Rate (BTU / HR)
Due to Lennox' ongoing commitment to quality,
all specifications, ratings and dimensions are
subject to change without notice.
High 23,000
Low 17,500
NG
SSDV-3530
SSDV-4035
7
High 23,000
Low 17,500
(178)
LP
Vent Size
5-1/8
12-1/8
(308)
(130)
D
High 29,000
Low 21,500
B
4-1/2" Inner
7-1/2" Outer
NG
Co-axial DV Vent Size
High 29,000
Low 22,500
LP
C
Efficiencies
E
Natural Gas
Propane
1/2
A
Models
EnerGuide
Steady
State
AFUE
EnerGuide
Steady
State
AFUE
A
SSDV-3530
SSDV-4035
55
60
67
69
63
65
60
61
68
69
64
65
Inches (millimeters)
E is the required framing depth dimension when the
finish material (drywall) thickness is 1/2 in. (13mm).
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, 10¹⁄₂" x 10¹⁄₂" (267 mm x 267 mm) inside dimensions, about this center mark (see Figure 19).
Framing Spacers
G
(Top, Sides & Rear)
H
*Co-axial Direct Vent Pipe
Flue - 4-1/2 (114)
Combustion Air - 7-1/2 (190)
*
SSDVR models are
rear vent only
SSDVT models are
top vent only
9
(229)
Top View
(Louvered Front Model Shown)
NOTE - Hood shown as
positioned in louvered
front model.
3 (76)
1/2 (13)
E
16
(406)
GAS INLET
(Either Side
and bottom)
(Optional)
ELECTRICAL
5-1/2
(140)
INLET Knockout
Requiring A Field
Provided Junction
Box (Either Side)
9-3/8
(238)
C
A
B
F**
Electrical Inlet
2-3/4 x 2 (70 x 51)
Cover Plate
D
2
(53)
3 (76)
1-3/8
(35)
W/Knockout
Front View
**Rear vent models only
Right Side View
Fireplace Dimensions - Inches (millimeters)
Model
A
B
C
D
E
F (rear vent only)
G
H
SSDVT-3530
SSDVR-3530
35-1/8 (892)
32-1/8 (816)
19 (483)
29-1/2 (749) 35-1/8 (892)
21-11/16 (551)
24-7/8 (632)
12-7/16 (316)
SSDVT-4035
SSDVR-4035
40-1/8 (1019) 37-1/8 (943)
24 (610)
34-1/2 (876) 40-1/8 (1019) 26-11/16 (678)
29-7/8 (759) 14-15/16 (379)
Figure 14
11
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FIREPLACE FRAMING SPECIFICATIONS
Note-
SSDV-3530 Models -
• Venting requirements for rear vent applications in corner installations, the horizontal vent length
“a” to “b,” must not exceed 28 inches (711).
• Dimensions D and F occur when one 45 degree elbow is connected directly to the appliance collar.
b
F
Inches
(millimeters)
7 1/4 (184)
A
B
C
D
E
F
No.
Model
in. 35 1/8 57 1/2 40 5/8 19 3/16 28 3/4 6 1/8
C
SSDV-3530
SSDV-4035
E
mm 892 1461
in. 40 1/8 61 3/16 43 1/32 19 3/16 30 11/16 7 7/8
mm 1019 1554 1101 487 779 200
1032
487
730
156
D
a
A
Back wall of chase/enclosure
(including any finishing materials)
B
Corner Framing with Square Termination (SV4.5HT-2)
Figure 15
• A pipe joint compound rated for gas should be
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 46). Appliances using
Propane should have a sediment trap at the
base of the tank.
Proper Sizing of Gas Line
Schedule 40 / Black Iron Pipe
Inside Diameter (Inches)
Properly size and route the gas supply line
from the supply regulator to the area where
the appliance is to be installed per require-
ments outlined in the National Fuel Gas Code,
NFPA 54 - latest edition (USA) or B149 - latest
edition (Canada).
Schedule 40 Pipe
Length (feet)
Natural
Gas
Propane
Gas
0-10
1/2
1/2
1/2
3/4
3/4
3/8
1/2
1/2
1/2
1/2
10-40
40-100
100-150
150-200
Never use galvanized or plastic pipe. Refer to
Table 9 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 quali-
fied 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
supplylinefromthefuelsupplytotheappliance
involvesnumerousconsiderationsofmaterials,
protection,sizing,locations,controls,pressure,
sediment,andmore.Certainlynooneunfamiliar
andunqualifiedshouldattemptsizingorinstall-
ing gas piping.
• Check with local building official for local code
requirements(i.e.arebelowgradepenetrations
of the gas line allowed?, etc).
Table 9
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.
Notes:
• All appliances are factory-equipped with a
flexiblegaslineconnectorand1/2inchshutoff
valve (see Figure 46 on Page 26 ).
• SeeMassachusettsRequirementsonPage4
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 26).
12
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Step 3. INSTALL THE VENT SYSTEM
Installation of Vent Restrictor
VENT RESTRICTOR INSTALLATION
(REAR VENT)
Aventrestrictormaybeneededwiththisappliance,
installventrestrictor(provided)intheappliancetop
flue outlet as shown in Figure 16 (SSDVT-3530
and SSDVT-4035) or rear flue outlet as shown in
Figure 17 (SSDVR-3530 and SSDVR-4035). It is
held in place by friction, only.
General Information
A vent restrictor may be needed when horzon-
tally terminating the vent system from the rear
of the appliance (when using the appliance rear
vent), install vent restrictor in the rear vent of
the fireplace outlet on SSDVR-3530/4035 series
models, in any installation that has a vertical
vent run in excess of three feet (0.914 meters).
Theseinstructionsshouldbeusedasaguide-
line 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.
Vent Restrictor Installation
Useonlyapprovedventingcomponents. See
Approved Vent Components on Page 2.
If needed, install the restrictor orientated as
shown, either from inside or outside the unit, in
the inner fireplace collar
(Top Vent)
A vent restrictor may be needed when verti-
cally terminating the vent system above the
roof (when using the appliance top vent),
install vent restrictor in the top vent of the
fireplace outlet on SSDVT-3530/4035 series
models. If needed, install the restrictor orien-
tated as shown, either from inside or outside
the unit,in the inner fireplace collar.
These fireplaces must be vented directly
to the outside.
Inner Fireplace
Appliance Rear
Collar
The vent system may 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 enclosing
wall (such as a chase). There is no requirement
for inspection openings in the enclosing wall at
any of the joints in the vent pipe.
Vent Outlet
Restrictor
Restrictor
WARNING
Figure 17
Inner
Failure to reinstall and securely
tighten cover plate screws could
result in leakage of flue products
into the living space. Vent cover
plate and vent seal plate must
remain securely installed on
unused vent collar. Failure to do
so could result in leakage of flue
products into living space.
Fireplace
Collar
Select Venting System - Horizontal or Vertical
Appliance Top
Vent Outlet
With the appliance secured in framing, de-
termine 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 33
through 35.
Figure 16
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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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
T
O
T
A
L
Figure 21 (Page 15), and Figures 26 to
30 (Pages 17 and 18) and their associated
Vertical Vent Tables illustrate the various verti-
cal venting configurations that are possible for
use with these appliances. Secure Vent pipe
applicationsareshownintheseFigures;Secure
Flex pipe may also be used. A Vertical 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.
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
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
1
2
1
2
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. The minimum vent height
above the roof and/or adjacent walls is speci-
fied in ANSI Z223.1-(latest edition) (In Canada,
the current CAN-1 B149 installation code) by
major building codes. Always consult your lo-
cal codes for specific requirements. A general
guide to follow is the Gas Vent Rule (refer to
Figure 5 on Page 7).
2
1
0
0
3
177
183
186
14.75
15.25
15.5
0
0
1
0
0
1
2
0
2
3
0
1
0
1
0
0
0
1
0
0
0
0
1
0
0
0
0
0
0
0
2
1
3
3
1
3
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
207
17.25
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
211.5 17.625
45
3.75
Vertical (Straight) Installation
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
46.5 3.875
49.5 4.125
Determine the number of straight vent 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"(1181mm)netsectionlengthsareavailable
(see Table 11 and Page 33 - Item 3). Plan the
vent lengths so that a joint does not occur at
the intersection of ceiling or roof joists. Refer
to the Vent Section Length Chart.
0
5
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
237
19.75
0
6
55.5 4.625
241.5 20.125
7
7
57
66
4.75
5.25
246
252
264
276
279
20.5
21
7
8
7
8
67.5 5.625
22
7
8
69
72
5.75
6
23
8
8
23.25
0
6
73.5 6.125
79.5 6.625
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
Termination
0
7
SV4.5FB Flashing
AND SV4.5SC
81
90
6.75
7.5
0
7
0
7
STORM COLLAR
91.5 7.625
9
9
315
26.5
9
10
7
93
96
7.75
8
325.5 27.125
0
330
336
345
27.5
28
0
8
97.5 8.125
102 8.5
103.5 8.625
1" (25.4 mm)
Minimum
Clearance to
Combustibles
0
8
2
0
1
0
0
0
0
0
0
0
3
3
2
0
0
4
3
4
28.75
10
10
0
10
11
8
349.5 29.125
372 31
108
114
117
9
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
SV4.5VF
ꢀ
376.5 31.375
379.5 31.625
418.5 34.875
0
9
Firestop/Spacer
11
0
11
9
118.5 9.875
126 10.5
130.5 10.875
423
465
35.25
38.75
0
10
0
10 10
135
138
11.25
11.5
40' Max
(12.2 M)
SV4.5L6/12/24/36/48
Vent Sections
Table 10b
139.5 11.625
142.5 11.875
Effective Vent Length
When using Secure Flex
ꢀuse Firestop/Spacer
Model
Effective Length
Table 10a
SF4.5VF
SV4.5L6
SV4.5L12
SV4.5L24
SV4.5L36
SV4.5L48
4-1/2"
10-1/2"
22-1/2"
34-1/2"
46-1/2"
* Convert inches into metric equiva-
lent measure, as follows:
Millimeters (mm) = Inches x 25.4
Centimeters (cm) = Inches x 2.54
Meters (M) = Inches x .0254
Figure 18
Table 11
14
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14
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Vertical (Offset) Installation
To add another vent component to a length of
vent run, align the dimpled end over the inclined
channel end of the previously installed section,
adjustingtheradialalignmentuntilthefourlock-
ing dimples are aligned with the inlets of the four
incline channels of the previous section.
B. Attach vent components to appliance
-SecureVentSV4.5directventsystemcompo-
nents are unitized concentric pipe components
featuring positive twist lock connections (see
Figure 20).
Analyze the vent routing and determine the
quantitiesofventsectionsandnumberofelbows
required. Refer to Vertical Vent Figures and
Tables on Pages 17 and 18 to select the type
of vertical installation desired. Vent sections
are available in net lengths of 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). Refer to the
Vent Section Length Chart on Page 14 for an
aidinselectinglengthcombinations.Elbowsare
available in 90° and 45° configurations. Refer
to Figure 22 on Page 16 for the SV4.5E45 and
SV4.5E90 elbow dimensional specifications.
All of the appliances covered in this document
are fitted with collars having locking inclined
channels. The dimpled end of the vent com-
ponents fit over the appliance collar to create
the positive twist lock connection.
Push the vent component against the previous
section until it fully engages, then twist the
componentclockwiserunningthedimplesdown
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.
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
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
above the ceiling level, the firestop/spacer
must be installed on the bottom side of the
ceiling. If attic space is above the ceiling, the
firestop/spacermustbeinstalledonthetopside
of the joist. Route the vent sections through the
framed opening and secure the firestop/spacer
with 8d nails or other appropriate fasteners at
each corner. Remember to maintain 1" (25
mm) clearance to combustibles, framing
members, and attic 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, Pages
32 through 34.
Where required, a telescopic vent section
(SV4.5LA) may be used to provide the installer
withanoptionininstallingintightand 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
has an effective length of from 1-1/2" (38 mm)
to 7-1/2" (191 mm). The SV4.5LA is fitted with
a locking inclined channel end (identical to a
normalventsectioncomponent)andaplainend
with 3 pilot holes. Slip the plain end over the
locking channel end of a standard SV4.5 vent
component the required distance and secure
with three screws.
dimple align.
Arrow
Dimple
Locking Incline
Channel
Connected Vent
Sections
Arrow
Appliance Collar or
Vent Section
Figure 20
Toattachaventcomponenttotheappliancecollar,
alignthedimpledendoverthecollar,adjustingthe
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,
runningthedimplesdownandalongtheincline
channels until they seat at the end of the chan-
nels. The unitized design of the Secure Vent
componentswillengageandsealboththeinner
and outer pipe without the need for sealant or
screws. If desired, a #6 x 1/2" screw may be
used at the joint, but is not required as the pipe
will securely lock when twisted.
Maintain a minimum 1" (25 mm) clearance to
combustiblematerialsforallverticalelements.
Clearances for all horizontal elements are 3"
(76 mm) on top, 1" (25 mm) on sides and 1"
(25 mm) on the bottom.
E. Support the vertical vent run sections -
Note-Properventingsupportisveryimportant.
The weight of the vent must not be supported
by the firplace in any degree.
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" (267mm x 267mm)
inside dimensions, about this center mark
(Figure 19 ).
Support the vertical portion of the venting
system every 8 feet (2.4m) above the fireplace
vent outlet.
10-1/2" Min.
(267 mm)
Note: An elbow may also be attached to the
appliance collar. Attach in the same manner
as you would a vent section.
Blocking
Support Straps
(Plumber's tape)
10-1/2" Min.
(267 mm)
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.
8 feet (2.4 m)
Maximum
1 inch (25.4
mm) minimum
clearance to
combustibles
Figure 19
Figure 21
15
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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 ter-
mination section" on Page 7. The SV4.5CGV-1
VerticalTermination(Figure25)canbeinstalled
in the exact same fashion as any other Secure
Vent section. Align the termination over the
end of the previously installed section, adjust-
ing the radial alignment until the four locking
dimples of the termination are aligned with
the inlets of the four incline channels of the
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.
One method of support is by utilizing field pro-
vided support straps (conventional plumber's
tape). Securetheplumber'stapetotheframing
members with nails or screws. Loop the tape
around the vent, securing the ends of the tape
totheframing.Ifdesired,sheetmetalscrews#6
x 1/2" length may be used to secure the support
straps to the vent pipe. Refer to Figure 21.
C
D
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
only so as to avoid the possiblity of unlocking
anyofthepreviouslyconnectedventsections.
See Figure 22.
Framing Dimensions for Roof
Inches (millimeters)
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 23 - Roof Framing
I. Install the roof flashing - Extend the vent
sections through the roof structure. Install the
roof flashing over the vent section and posi-
tion such that the vent column rises vertically
(use carpenters level) (Figure 24). 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 22
Figure 25
G.Continueinstallationofhorizontal/inclined
sections - Continue with the installation of the
straightventsectionsinhorizontal/inclinedrun
as described in Step C. Install support straps
every 5 ft. (1.52 m) along horizontal/inclined
vent runs using conventional plumber’s tape.
See Page 19, Figure 31. It is very important
thatthehorizontal/inclinedrunbemaintained
inastraight(nodips)andrecommendedtobe
inaslightlyelevatedplane,inadirectionaway
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. Use a carpenter’s
level to measure from a constant surface and
adjust the support straps as necessary.
J. Install the storm collar - Install the storm
collar, supplied with the flashing, over the
vent/flashing joint. See Figure 24. Loosen the
storm collar screw. Slide collar down until it
meets the top of the flashing. Tighten the ad-
justingscrew. Applynon-combustiblecaulking
or mastic around the circumference of the joint
to provide a water tight seal.
Iftheventsystemextendsmorethan5feet(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.
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.
Figure 24
H. Frame roof opening - Identify location for
vent at the roof. Cut and/or frame opening per
Roof Framing Chart and Figure 23.
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 /
H Maximum
feet (meter)
Spacer SF4.5VF.
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
Under no circumstances, may sepa-
rate sections of concentric flexible
vent pipe be joined together.
V + H = 40 feet (12.2 meters) Max.
H = 8 feet (2.4 meters) Max.
Ratio V to H ratio is 1:2
Notes:
• 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.
Ceiling Firestop /
ꢀ
Spacer (SV4.5VF)
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.
• 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.
V
• 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 35).
H
Figure 27 - Rear Vent - ONE 90 DEGREE ELBOW
Table B
H
H Maximum
feet (meter)
V Minimum
feet (meter)
Elbow Only
5
(1.524)
(1.524)
(3.048)
(4.572)
(6.096)
ꢀCeiling Firestop /
5
1
(0.305)
(0.610)
(0.914)
(1.219)
Spacer (SV4.5VF)
10
15
20
2
3
4
40 feet
ꢀCeiling Firestop /
(12.2 meters)
Spacer (SV4.5VF)
Maximum
V1
V + V + H = 40 feet (12.2 m) Max.
1
H = 20 feet (6.096 meters) Max.
V
Example: If 20 feet of (H) 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) horizontal run, up to a maximum
horizontal run of 20 feet.
ꢁWall Firestop/
Spacer (SV4.5HF)
An elbow is acceptable as 1 foot of vertical
rise except where an elbow is the only vertical
component in the system. See Figure 35.
ꢀWhen using Secure Flex, use Firestop /
ꢁSWphaecnerusSiFn4g.5SVeFc.ure Flex, use Firestop /
WhenusingSecureFlex,useFirestop/Spacer
SF4.5VF
ꢀ
Spacer SF4.5HF.
A Vent Restrictor, as shown in Figure 18
Page 13, must be used in this application
Figure 28 - Top Vent - TWO 90 DEGREE ELBOWS
Figure 26 - Top Vent - STRAIGHT
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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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
ꢀ
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
Firestop / Spacer
(SV4.5VF)
10
15
20
Wall Firestop/
ꢁ
Spacer (SV4.5HF)
V + V + H + H = 40 feet (12.2 m) Max
H = 8 feet (2.438 meters) Max.
1
1
V1
Ceiling
ꢀ
Firestop / Spacer
(SV4.5VF)
H + H = 20 feet (6.096 meters) Max.
1
ꢀ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.
V
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.
H
Figure 29 - Rear Vent - THREE ELBOWS
Example: If 20 feet total (H+H1)
horizontal vent run is needed,
then 4 feet minimum of (V) verti-
cal vent will be required.
Table D
V Minimum
(meter)
Elbow Only
(0.305)
H + H Maximum
1
Ceiling
ꢀ
feet
(meter)
(1.524)
(1.524)
(3.048)
(4.572)
(6.096)
feet
Firestop / Spacer
(SV4.5VF)
V
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.
1
Wall Firestop/
ꢁ
5
Spacer (SV4.5HF)
5
1
2
3
4
10
15
20
(0.610)
(0.914)
(1.219)
H
An elbow is acceptable as 1 foot
of vertical rise except where
an elbow is the only vertical
component in the system. See
Figure 35.
V
H + H = 20 feet (6.096 m) Max.
V + V + H + H = 40 ft. (12.192 m) Max.
1
H
1
1
1
ꢀWhen using Secure Flex, use Firestop / Spacer SF4.5VF
ꢁWhen using Secure Flex, use Firestop / Spacer SF4.5HF
Figure 30 - Top Vent - THREE ELBOWS
Bothofthesehorizontalventsystemsterminate
throughanoutsidewall. BuildingCodeslimitor
prohibit terminating in specific areas. Refer to
Figure 7 on Page 8 for location guidelines.
HORIZONTAL (OUTSIDE WALL)
TERMINATION SYSTEM
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 joint does not
occurattheintersectionofceilingorroofjoists.
Make allowances for elbows as indicated in
Figure 22.
Figure 31, and Figures 34 to 40 on Pages
21 to 23 and their associated Horizontal Vent
Table illustrate the various horizontal venting
configurations that are possible for use with
theseappliances. SecureVentpipeapplications
are shown in these Figures; Secure Flex pipe
mayalsobeused. AHorizontalVentTablesum-
marizeseachsystem’sminimumandmaximum
verticalandhorizontallengthvaluesthatcanbe
used to design and install the vent components
in a variety of applications.
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.
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.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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Support Brackets
Building
Support
Framing
Horizontal / Inclined Run
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
See Figure 18 on Page 14 or Figure 21 on
Page 15 for vertical vent section support.
Fireplace
Figure 31 - TYPICAL HORIZONTAL VENT INSTALLATION
E. Attach vent components to each other
B. Frame exterior wall opening -
G. Support the vertical run sections -
- Other vent sections may be added to the pre-
viously installed section in accordance with the
requirements of the vent tables. 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,
adjustingtheradialalignmentuntilthefourlock-
ing dimples are aligned with the inlets of the four
incline channels of the previous section.
Locate the center of the vent outlet on
the exterior wall according to the dimen-
sions shown in Figure 14 on Page 11. Cut
and/or frame an opening, 10-1/2" x 12-1/8"
(267 mm x 308mm) inside dimensions, about
this center.
See Section E on Page 15.
H.Changeventdirection -Attransitionfromor
toahorizontal/inclinedrun,installtheSV4.5E45
and SV4.5E90 elbows in the same manner as
the straight vent sections. The elbows feature a
twistsectiontoallowthemtoberoutedaboutthe
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 only so as to avoid the possiblity of
unlockinganyofthepreviouslyconnectedvent
sections. See Figure 22 on Page 16.
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).
Push the vent component against the previous
section until it fully engages, then twist the
componentclockwiserunningthedimplesdown
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.
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. Continue installation of horizontal/inclined
sections - Continue with the installation of the
straight vent sections in horizontal/inclined run
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 31. 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.
F. Install firestop/spacer at ceiling -
WhenusingSecureVent,useSV4.5VFfirestop/
spaceratceilingjoists;whenusingSecureFlex,
use SF4.5VF firestop/spacer.
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 the channels.
If there is living space above the ceiling level,
the firestop/ 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
securethefirestop/spacerwith8dnailsorother
appropriate fasteners at each corner.
The unitized design of the Secure Vent
components will engage and seal both the
inner and outer pipe elements with the same
procedure. Sealant and securing screws are
not required.
It is important to maintain the required clear-
ancestocombustibles:1"(25mm)atallsides
for all vertical runs; and 3" (76 mm) at the top,
1" (25 mm) at sides, and 1" (25 mm) at the
bottom for all horizontal/inclined runs.
Remember to maintain 1" (25 mm) clearance
to combustibles, framing members, and attic
or ceiling insulation when running vertical
chimney sections.
Note: An elbow may also be attached to the
appliance collar. Attach in the same manner
as you would a vent section.
19
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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
described in Step B. Assemble the vent system
topointwheretheterminusofthelastsectionis
located relative to the exterior surface to which
the termination is to be attached (see Figures
32 & 33 and Table 12 on Page 21.
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)
10¹⁄₂"
12¹⁄₈"
(267mm)
(308 mm)
5¹⁄₈"
(130 mm)
3"
If the terminus of the last section is not within
this distance, use the telescopic vent section
SV4.5LA,asthelastventsection.Forwallthick-
nesses greater than that shown in Figure 33 on
Page 20 and Table 12 on Page 21. This table
lists theadditionalventingcomponentsneeded
(in addition to the termination and adapter) for
a particular range of wall thicknesses.
(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.
K. Attach termination adapter - Attach the
adapter(adapter-SV4.5RCH-providedwiththe
termination) to the vent section or telescoping
ventsection,elboworappliancecollarasshown
in Figures 32 & 33 in the same manner as any
SV4.5 vent component (refer to Step E).
See Figure 14 on Page 11 for Min.
Distance to Base of Appliance.
6 to 48 inch Vent Section,
Telescopic vent section,
Elbow or Appliance Collar
Base of Appliance
Figure 32 - INSTALLING SQUARE HORIZONTAL TERMINATION (SV4.5HT-2)
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
32, and nail into place.
Maximum Wall Thickness
10 in. (254 mm)
Use silicone caulking to seal
ꢀ
ꢁ
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
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
ꢀ
(TheFirestop/Spacermayalsobeinstalledover
the opening at the interior side of framing).
Last Vent Section.
M. Install the Square Termination (SV4.5HT-2)
Use Telescopic Vent
Section (SV4.5LA), If
Necessary
SV4.5 HT-2
Termination
Installthesquaretermination-Forthelaststep
, from outside the exterior wall, slide the collars
of the termination onto the adapter (the outer
inside the outer and the inner outside the inner)
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 33.
Caulk
ꢀ
SV4.5 HT-2
Termination
Adapter
SV4.5RCH
1-1/4” Maximum Recess of
Square Termination
into Exterior Finishing Material
For thicknesses greater
ꢁ
Stucco
than 10", see Table 12
Venting Connection and Exterior Wall Recessing of the Horizontal Square
Termination (SV4.5HT-2).
Figure 33
IMPORTANT
Horizontal terminations have been designed to perform in a wide range of weather condi-
tions. Our terminations meet or exceed industry standards.
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 33. This can be
purchased at your local dealer.
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.
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
WARNING
Notes:
Under no circumstances, may separate sections of
concentric flexible vent pipe be joined together.
• 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.
• 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.
Table F
H Maximum
feet (meter) feet
(0.914)
V Minimum
• 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.
• 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.
• 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 35).
(meter)
3
Elbow Only
H
Square termination
(SV4.5HT-2) shown.
V
• AN ELBOW IS ACCEPTABLE AS 1 FOOT OF VERTICAL RISE EXCEPT
WHERE AN ELBOW IS THE ONLY VERTICAL COMPONENT IN THE
SYSTEM. See Figure 35.
When using Secure Flex,
Wall
ꢀuse Firestop/Spacer
Firesꢀtop/Spacer
SF4.5HF
(SV4.5HF)
Venting Components Required for Various Exterior Wall Thick-
nesses, when using Square Termination Kit (SV4.5HT-2)
See Table 12 as an aid in venting component selection for a particular
range of exterior wall thicknesses.
Vent Components Required Exterior Wall Thickness - inches (mm)
Figure 35 - Top Vent -
ONE 90 DEGREE ELBOW - ELBOW CONNECTION AT APPLIANCE
Termination Kit Only
6 to 9-1/4 (152 to 235)
TerminationKitand 6In.Vent
Section (SV4.5L6)
10-3/4 to 14 (273 to 356)
Termination Kit and 12 in.
Vent Section (SV4.5L12)
Example: If20feetof(H) hori-
Table G
V Minimum
16-3/4 to 20 (426 to 508)
zontal vent run is needed, then
4 feet minimum of (V) vertical
vent will be required.
H Maximum
feet (meter) feet
Termination Kit and Tele-
scopic Section (SV4.5L12)
11-3/4 to 20 (299 to 508)
(meter)
(0.305)
(0.610)
(0.914)
(1.219)
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.
5
(1.524)
(3.048)
(4.572)
(6.096)
1
2
3
4
Note:SeeFigure33showingwallthicknessrange
when using SV4.5HT-2 termination kit only.
Table 12
10
15
20
See Table 12 as an aid in venting component selection for a particular
range of exterior wall thicknesses.
V + H = 40 feet (12.2 m) Max.
H = 20 ft. (6.096 m) Max.
H = 28 in. (711 mm) Maximum.
Square termination
(SV4.5HT-2) shown.
H
When using Secure Flex,
use Firestop/Spacer
SF4.5HF
ꢀ
H
When using Secure Flex,
ꢀuse Firestop/Spacer
SF4.5VF.
V
Wall Firestop/Spacer
(SV4.5HF)
ꢀ
When using Secure Flex,
ꢁuse Firestop/Spacer
SF4.5HF.
7 in. (178 mm)
Wall Firestop/Spacer
(SV4.5HF)
ꢁ
Square termination
(SV4.5HT-2) shown.
Ceiling
Fireꢀstop/Spacer
See Table 12 as an aid in venting
component selection for a particular
range of exterior wall thicknesses.
(SV4.5VF)
See Table 12 as an aid in venting component selection for a particular
range of exterior wall thicknesses.
Figure 36 - Top Vent - ONE 90 DEGREE ELBOW -
ELBOW CONNECTION NOT DIRECTLY AT APPLIANCE
Figure 34 - Rear Vent - NO ELBOWS - Square Horizontal
Termination (SV4.5HT-2)
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
21
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HORIZONTAL VENT FIGURES / TABLES (CONTINUED)
Table H
V Minimum
H
+H1 Maximum
H Maximum
H
H
1
feet
5
(meter)
(1.524)
(3.048)
(4.572)
(6.096)
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
10
15
20
Wall
ꢁ
Firestop/Spacer
(SV4.5HF)
Ceiling
ꢀ
V + H + H = 40 feet (12.2 m) Max
1
Firestop/Spacer
(SV4.5VF)
H = 8 feet (2.438 meters) Max.
H + H = 20 feet (6.096 meters) Max.
When using
ꢀ
1
Secure Flex, use
Firestop/Spacer
SF4.5VF.
Example: If 20 feet of (H + H1) horizontal vent run is needed,
then 4 feet minimum of (V) vertical vent will be required.
V
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 horizontal run of 20 feet.
When using
ꢁ
Secure Flex, use
Firestop/Spacer
SF4.5HF.
See Table 12 on Page 21 as an aid in venting component
selection for a particular range of exterior wall thick-
nesses.
Square termination (SV4.5HT-2) shown.
Figure 37 - Rear Vent - TWO 90 DEGREE ELBOWS
Table J
Wall Firestop/Spacer
ꢁ
(SV4.5HF)
V Minimum
feet (meter)
Elbow Only
H + H Maximum
1
feet
(meter)
(0.914)
(1.524)
(3.048)
(4.572)
(6.096)
H
3
5
1
2
3
4
(0.305)
(0.610)
(0.914)
(1.219)
H
1
10
15
20
V
Note - When using
Secure Flex, use
ꢀ
Wall Firestop/Spacer
(SV4.5HF)
ꢁ
V + H + H = 40 feet (12.2 m) Max.
Firestop/Spacer SF4.5VF.
1
H + H = 20 ft. (6.096 m) Max.
1
When using Secure Flex,
use Firestop/Spacer
SF4.5HF.
ꢁ
Ceiling
ꢀ
Firestop/Spacer
(SV4.5VF)
Example: If 20 feet of (H + H1) 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 (H+ H ) horizontal run, up
to a maximum horizontal run of 20 feet. 1
See Table 12 on Page 21 as an aid in venting
component selection for a particular range of
exterior wall thicknesses.
An elbow is acceptable as 1 foot of vertical rise except where
an elbow is the only vertical component in the system. See
Figure 35.
Figure 38 - Top Vent - TWO 90 DEGREE ELBOWS
22
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HORIZONTAL VENT FIGURES / TABLES (CONTINUED)
Table K
V Minimum
H + H + H Maximum
H Maximum
1
2
Wall Firestop/Spacer
(SV4.5HF)
ꢁ
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)
2
4
6
8
1
2
3
4
H
1
10
15
20
H
2
V + H + H + H = 40 feet (12.2 m) Max
1
2
Square termination
(SV4.5HT-2) shown.
H = 8 feet (2.438 meters) Max.
H + H + H = 20 feet (6.096 meters) Max.
1
2
Ceiling
ꢀ
When using Secure Flex,
use Firestop/Spacer
SF4.5VF.
ꢀ
Firestop/Spacer
(SV4.5VF)
Example: If20feettotal(H+H1+H2) horizontalvent
run is needed, then 4 feet minimum of (V) vertical
vent will be required.
V
When using Secure
ꢁ
Flex, use Firestop/Spacer
SF4.5HF.
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.
See Table 12 on Page 21 as an aid in venting
component selection for a particular range of
exterior wall thicknesses.
H
Figure 39 - Rear Vent - THREE 90 DEGREE ELBOWS
Table L
V Minimum
feet (meter)
Elbow Only
H + H Maximum
1
When using Secure Flex,
use Firestop/Spacer
SF4.5VF.
ꢀ
feet
5
(meter)
(1.524)
(1.524)
(3.048)
(4.572)
(6.096)
When using Secure
ꢁ
H
1
Flex, use Firestop/Spacer
SF4.5HF.
5
1
2
3
4
(0.305)
(0.610)
(0.914)
(1.219)
10
15
20
Ceiling
Fireꢀstop/Spacer
(SV4.5VF)
H + H = 20 feet (6.096 m) Max.
1
V + V + H + H = 40 ft. (12.192 m) Max.
1
1
H
Wall Firestop/Spacer
(SV4.5HF)
ꢁ
V
Example: If 20 feet total (H+H1) horizontal vent
runisneeded,then4feetminimumof(V)vertical
vent will be required.
1
V
See Table 12 on Page
21 as an aid in venting
component selection for
aparticularrangeofexte-
rior wall thicknesses.
Thistableshowsa1(V)to5(H)ratio. Forevery1
foot of (V) vertical, you are allowed 5 feet of (H+
H1) horizontal run, up to a maximum horizontal
run of 20 feet.
An elbow is acceptable as 1 foot of vertical rise
except where an elbow is the only vertical com-
ponent in the system. See Figure 35.
Wall Firestop/Spacer
ꢁ
(SV4.5HF)
Square termination (SV4.5HT-2) shown.
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
sectionsandFiguresshownthroughoutthevent-
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
1³⁄₄ 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: Secure Flex vent must be attached to Se-
cure Flex terminations only. DO NOT substitute
Secure Vent terminations or the Secure Vent
adapterforSecureFlexcomponents.Thecollars
ofSecureFlexterminationsandadaptershavea
differentdiameterthanthatusedwiththeSecure
Ventpipe. Additionally,SecureFlexcomponents
have an extended length center tube for use in
attaching the flexible vent.
24
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3. Wire the control within the millivolt control
circuit using the 15 feet of 2 conductor wire
supplied with the unit . Caution: do not
connect the optional wall switch to a 120V
power supply.
4. Alternatively, theappliancemaybeoperated
without the use of the controls indicated in
Step 1, solely by manipulating the gas valve
control knob. In order to use this method,
twistthefreeendsofthetwoconductorwire
(which would otherwise go to the standard
ON/OFF switch or Optional Switch) together
as shown in Figure 43.
Step 4. FIELD WIRING
3. Connect the power supply wires (including
the ground supply wire) as shown in Figures
44 & 45. (If the field-provided J-box/outlet
box is being used, all of the outlet box wiring
must be field-provided).
4. Locate and install a low voltage (24V) wall-
mounted switch or thermostat (both field-
provided)in the desired location.
Refer to Section A for millivolt appliances and
Section B for electronic appliances. The gas
valve is set in place and pre-wired at the factory
on both models.
5. Connect the low voltage wire, located inside
thecontrolcompartment,tothewall-mounted
switch or thermostat.
CAUTION
Ensure that wires are positioned
away from hot surfaces and sharp
edges.
Note:Thesupplied15feetof2conductorwire
has one end of each conductor connected to
the gas valve circuit and the other end of each
conductor placed loose inside the control
compartment.
Note: Wire is located inside the control
compartment
CAUTION
Note: The supplied 15 feet of 2 conductor wire
has one end of each conductor connected to
the gas valve circuit and the other end of each
conductor placed loose inside the control
compartment.
6. Insert the control circuit plug into the un-
switched receptacle of the outlet box.
7. After wiring is complete, mount the outlet box
to the J-Box.
Labelallwirespriortodisconnection
when servicing controls. Wiring
errors can cause improper and dan-
gerous appliance operation.
Note:Thegasvalve-mountedON/OFFswitch is
shown in Figure 45. It is integral with the gas
valve and should be set to the ON position.
B. Electronic Wiring (See Figure 45) –
Note: The electronic appliance must be con-
nected to the main power supply.
CAUTION
Do not connect the optional wall
switch for burner operation to a
120 Volt AC power supply.
Step5.WIRING-OPTIONALFORCEDAIR
BLOWER KIT
The junction box is located on the right side of
theappliance. Itcontainsafactoryinstalledand
wired outlet box (duplex receptacle). Also, an
optionalfield-providedjunctionboxwithrecep-
tacle may be installed at the front of the control
compartment on either side of the cabinet. See
Figure 44. It will be held in place by a conduit
fitting and locknut (field-provided).
FBK-100, FBK-200 and FBK250 Kits
(See Figure 45) -
A. SIT and Honeywell Millivolt Wiring
(See Figure 43) –
An electrical outlet box (receptacle) is factory
-provided for the installation of the FBK-100,
FBK-200 and FBK-250 forced air blower kits.
(An optional field-provided outletbox/J-Box
may also be used. Electrical power must be
connectedtoeitherofthesereceptaclesinorder
to operate these blowers. Install the blower
kits according to the installation instructions
provided with the kits.
1. Select any of the following optional controls:
appliance-mounted (rocker switch) or wall-
mounted switch, wall thermostat, or the
standard or deluxe remote control kits. If ap-
pliance-mounted ON/OFF control is selected
mount it in the gas valve mounting bracket.
2. If wall-mounted ON/OFF control or ther-
mostat is selected mount it in a convenient
location on a wall near the fireplace.
1. Routea3-wire120Vac60Hz1phpowersupply
to the appliance junction box.
2. If the factory-provided outlet/junction box at
the right rear of the fireplace is being used,
remove the outlet box from the junction box
by removing two screws.
See Figure 14 on Page
11
for Optional Electrical
Inlet Knockout Location
*Field-Provided
Junction Box
and Duplex
Receptacle
*Narrow (2 1/8" Wide)
J-Box Required
Thermopile
*
Optional J-Box/Outlet
Box (Left Side Shown)
* 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.
Figure 44
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.
SIT & HONEYWELL Millivolt Wiring Diagram
Figure 43 -
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
25
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Gas Flex Line Connector
Plug blower
into this
receptacle
Gas
3/8" NPT x
Flare Fitting
Green
1/2" x 3/8" Flare
Valve
White
Black
Ground - Green
Neutral - White
120 VAC - Black
Shut-off Valve
Junction Box
Blower
3/8" Flex Tubing
3"
Min
*Sediment
Trap
* Wall-mounted
ON/ OFF Blower
Switch or Variable
Speed Control Switch.
Gas
1/2" x 3/8"
Ground
Stub
Reducer
Tab
Broken
3/8" Nipple
Tab Intact
3/8" Union
Red
3/8" Close Nipple
J-BOX WIRING FOR
WALL SWITCH
BLOWER CONTROL
Green
Ground
Screw
Neutral
Hot
3/8" Shut-off Valve
Side of
Side of
Receptacle
Receptacle
*A Sediment Trap is recommended to prevent moisture
and debris in gas line from damaging the valve.
View A
Note:The gas supply line must be installed in accor-
dance with building codes by a qualified installer
approved and/or licensed as requed by the locality.
In the Commonwealth of Massachusetts, installa-
tion must be performed by a licensed plumber or
gas fitter.
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.
BK
W
G
Optional Blower
Figure 46 - GAS CONNECTION
Junction Box
*OFF/ON Switch
(Integral with
Gas Valve)
Pilot Burner
Assembly
Step 6. CONNECTING GAS LINE
Honeywell
Electronic
Gas
Make gas line connections. All codes require a
shut-offvalvemountedinthesupplyline.Figure
46 illustrates two methods for connecting the
gas 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.
Valve
Igniter
*
Leave the OFF/ON switch, which is
Connector
integral with the gas valve, in the ON
position.
GROUND
Transformer
** Optional Control Switches: Wall
Switch, Wall Thermostat or Remote
Control Receiver.
BL
BL
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 46 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.
BL
BK
R
24 V
120 VAC
Primary
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
G = GREEN
W = WHITE
W
Field Wired
Factory
Wired
Schematic Representation Only
The incoming gas line should be piped into
the valve compartment and connected (see
Figures 46 & 47). 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.
Electronic Wiring Diagram (Honeywell) Showing Blower Wiring for Optional FBK-100, FBK-200 & FBK-250 Kits
Figure 45
CAUTION
Ground supply lead must be connected to the wire attached to the green
ground screw located on the outlet box. See Figure 47. Failure to do so
will result in a potential safety hazard. The appliance must be electrically
grounded in accordance with local codes or, in the absence of local codes,
the National Electrical Code, ANSI/NFPA 70-latest edition. (In Canada, the
current CSA C22-1 Canadian Electrical Code).
Secure all joints tightly using appropriate
toolsandsealingcompounds(ensurepropane
resistant compounds are used in propane
applications).
Optional: Seal around the gas line to prevent
cold air leakage.
26
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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.
TEST ALL CONNECTIONS FOR GAS LEAKS
(FACTORY AND FIELD):
Lift the Lower Control
Compartment Door
up and pull out to
remove.
OPENING CONTROL
COMPARTMENT DOOR
WARNING
Never use an open flame to
check for leaks.
Hook Catch
Out
Control Valve
SIT Gas Valve
Up
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.
Lower Control
Compartment Door
Honeywell
Gas Valve
Figure 47
Piezo
Igniter
Step 7. CHECKING APPLIANCE OPERA-
TION
A. Light the appliance (refer to the lighting
instructions label in control compartment or
homeowner's manual).
Sit and Honeywell Millivolt Gas Valve
Showing Piezo Igniter Location (Each Unit is
Equipped with Only One of these Gas Valves)
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).
B. Brush all joints and connections with the gas
leak test solution to check for leaks. If bubbles
are formed, or gas odor is detected, turn the
gas control knob (off/pilot/on) to the “OFF”
position. Either tighten or refasten the leaking
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
all ports are open and producing flame evenly
across the burner. If any ports are blocked, or
partially blocked, clean out the ports.
Figure 48
SIT MILLIVOLT PILOT ASSEMBLY
Proper Pilot Flame Appearance
Note:The(pull-out)Lightinginstructionslabel
can be found in the control compartment
(see Figure 47).
Igniter Rod
Hood
Thermocouple
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.
3/8" Min.
(9 mm)
CONTROL COMPARTMENT ACCESS /
LOUVER PANEL INSTRUCTIONS
(Ref. Figure 47)
Pilot
Nozzels
Figure 49 Thermopile
SIT and Honeywell Millivolt Appliance
Checkout
The pilot flame should be steady, not lifting
or floating. Flame should be blue in color with
traces of orange at the outer edge.
NOTE: The top louvered panel and the bottom
louvered control panel door remove and install
the same way as follows:
Replace logs if removed for pilot inspection.
Thegascontrolscanbefoundbehindthecontrol
compartment access door.
To light the burner; turn “ON” the remote wall
switch and rotate the gas valve control knob
counterclockwise to the “ON” position.
The top 3/8" (10 mm) at the pilot generator
(thermopile) and the top 1/8" min (tip) of the
quickdropoutthermocoupleshouldbeengulfed
inthepilotflame.Theflameshouldproject1"(25
mm) beyond the hood at all three ports (Figure
49 - SIT, Figure 50 - Honeywell).
Removing Control Compartment Door:
Openthedoorby gentlyliftingitupwarduntilthe
hook catches on boths sides clear the locating
slots. Then pull door out to remove.
HONEYWELL MILLIVOLT PILOT ASSEMBLY
Proper Pilot Flame Appearance
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 47.
Thermocouple
Igniter Rod
Hood
1/8" Min.
(3 mm)
To light the burner; rotate the gas valve control
knob counterclockwise to the “ON” position
then turn “ON” the OFF/ON switch (installed
at Step 4).
3/8" Min.
(9 mm)
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.
Pilot
Nozzels
Thermopile
27
Figure 50
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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Electronic Appliance Checkout
SSDV-3530 - Install as Follows
WARNING
Carefully position the ceramic fiber logs into the
firebox as shown in Figure 53. Logs should be
placed in the order shown and per the following
instructions.
Tolighttheburner,turn‘ON’theoptionalremote
wall switch and turn the gas control switch to
the “ON” position. Ensure the Igniter lights the
pilot. The pilot flame should engulf the flame
rod as shown in Figure 51.
The size and position of the log
set is critical to achieve a safe,
reliable and attractive flame pat-
tern. Anyattempttouseadifferent
log set in the fireplace will void
the warranty and will result in
incompletecombustion,sooting,
and poor flame quality.
1. Place embers on the front burner tube and
volcanic stone in front of the burner as
shown and per instructions on this Page
(seePlacementofGlowingEmbers &Install
Decorative Volcanic Stone on this Page).
2. Place the rear log (A) as shown. Position
the 2 notches on the bottom of log (A) over
the 2 corresponding locating brackets as
shown.
3. Place the center log (C) as shown. The 2
notches on the bottom of log (C) fit over
the corresponding locating brackets.
4. Place the left log (B) as shown. The top fork
on log (B) fits into the notch on log (A). The
bottom of log (B) rests on the subfloor.
5. Placethetoprightlog(D)asshown. Thetop
fork on log (D) fits into notch on log (A) as
shown. The bottom fork on log (D) rests on
subfloor flange (identified in photo #1).
ELECTRONIC PILOT ASSEMBLY
Proper Pilot Flame Appearance
3/8" to 1/2"
(9 -13 mm)
Proper Flame
Adjustment
WARNING
Pilot
Nozzels
Ground
This appliance is not designed
to burn wood. Any attempt to
do so could cause irrep arable
damage to appliance and prove
hazardous to your safety.
Electrode
Flame Rod
Hot Surface
Igniter
Figure 51
WARNING
SSDV-4035 - Install as Follows
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.
Step 8. INSTALL VOLCANIC STONE,
GLOWING EMBERS AND LOGS
Carefully position the ceramic fiber logs into the
firebox as shown in Figure 54. Logs should be
placed in the order shown and per the following
instructions.
1. Remove the front glass enclosure panel
(see Removing Glass Enclosure Panels on
Page 31).
1. Place embers on the front burner tube and
volcanic stone in front of the burner as
shown and per instructions on this Page
(seePlacementofGlowingEmbers &Install
Decorative Volcanic Stone on this page).
2. Place the rear log (A) as shown. Position
the 2 notches on the bottom of the log over
the 2 corresponding locating brackets as
shown.
3. Place the center log (C) as shown. The 2
notches on the bottom of the log should fit
over the corresponding locating brackets.
4. Placethetoprightlog(D)asshown. Thetop
fork on log (D) fits into notch on log (A) as
shown. The bottom fork on log (D) rests on
subfloor flange (identified in photo #1).
5. Place the top left log (B) as shown. The top
forkonlog(B)fitsintonotchonlog(A). The
bottom of the log rests on the subfloor.
2. Carefully remove the log set box from
the firebox. Next, remove embers and
volcanic stone from the control compart-
ment. Handle logs carefully to prevent
breakage.
Glowing Embers
3. Install Decorative Volcanic Stone - Mound
up a portion of the volcanic stone in front
of the burner in a pleasing pattern.
Separate into Quarter
Size (separate) Pieces
4. Placement of Glowing Embers -
Separatethe Embers(rockwool)intopieces
about the size of a quarter (see Figure 52).
Keep the pieces fluffed up, not matted.
Distribute these pieces over the surface of
the burner, as shown in Figures 53 & 54.
Do not use more than is necessary. Ensure
thatthemainburnerslotsremainuncovered
by the ember material.
Bag of Glowing
Embers (rockwool)
Figure 52
Note: This appliance is provided with enough
Glowing Embers for several applications, do
not use all that is in a new bag at one time. For
bestglowingeffect,replacetheembermaterial
annually.
REFERENCE
Firebox Accessories / Parts
WARNING
DO NOT attempt to install the
logs until the appliance instal-
lation has been completed, the
gas line connected and tested
for leaks and the initial burner
operation has been checked
out.
Cat. No.
88L53
Model No.
Description
Bag of Glowing Embers
(1 oz. rockwool)
FGE
5. Placement of Logs -
Bag of Decorative
Volcanic Stone
80L42
FDVS
The logs have locating notches or slots to
help ensure that they are properly positioned.
Proper log placement is critical to prevent
sooting.
Table 13
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
28
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MODEL SSDV-3530
Log Placement Instructions
A
LOG SET
Catalog Number H3367
* Item
Description
A
B
C
D
Log, Rear
Log, Top Left
Log, Center
Log, Top Right
C
* Item "letters" above correspond to photos
D
B
Install the Embers, Volcanic Stone and Logs in the order
shown here (1 through 5) and per the instructions on Page 28.
Top fork on log (B) fits into notch on log (A)
1
4
Place Embers & Volcanic Stone as Shown
A
B
Embers
Sub-Floor
Flange
Volcanic Stone
Sub-Floor
Bottom of log (B) rests on Sub-Floor
Notch for top
left log (B)
Notch for top
right log (D)
2
Top fork on log (D) fits into notch on log (A)
5
A
A
D
Notch
Notch
Locating Brackets
The 2 notches on the bottom of log (A) rest on the locating brackets
Bottom Fork of log (D) rests on Sub-Floor Flange
3
C
Notches on bottom of log (C) fits over 2 locating brackets
Figure 53
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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MODEL SSDV-4035
Log Placement Instructions
A
LOG SET
Catalog Number H3368
* Item
Description
A
B
C
D
Log, Rear
Log, Top Left
Log, Center
Log, Top Right
* Item "letters" above correspond to photos
C
D
B
Install the Embers, Volcanic Stone and Logs in the order shown
here (1 through 5) and per the instructions on Page 28.
Top fork on log (D) fits into notch on log (A) as shown
1
Place Embers and Volcanic Stone as Shown
4
Sub-Floor
Flange
Volcanic Stone
Embers
A
Sub-Floor
D
Notch for Top
Right log (D)
Notch for Top Left log (B)
Bottom Fork of log (D) rests on Sub-Floor Flange
2
Top fork on log (B) fits into notch on log (A) as shown
A
B
Notch
Notch
A
Locating Brackets
The 2 notches on the bottom of log (A) rest on the locating brackets
Bottom of log (B) rests on subfloor
3
C
Slots on bottom of Log (C) fits over 2 locating brackets
Figure 54
30
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Air Shutter Adjustment Guidelines
Step 9. INSTALLING THE GLASS DOOR
Installing Glass Enclosure Panels
(see Figure 55)
• 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.
• Themoreoffsetsintheventsystem,thelarger
the air shutter opening will need to be.
• An appliance operated with the air shutter
openedtoofar, mayhaveflamesthatappear
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 more minutes to ensure that the
flame normalizes and the flames do not
appear sooty.
1.Visuallyinspectthegasketonthebacksideofthe
glass panel. The gasket surface must be clean,
free of irregularities and seated firmly.
WARNING
Donotoperateappliancewiththe
glass front removed, cracked or
broken. Replacementoftheglass
should be done by a licensed or
qualified service technician.
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
compartment door see installation instruc-
tions on Page 27 , Reinstalling Control
Compartment Door).
WARNING
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.
Top Flange on
Glass Door
The following chart is provided to aid you in
achievingthecorrectairshutteradjustmentfor
your installation.
Glass Door
WARNING
Handle this glass with extreme
care! Temperedglassissuscep-
tible to damage – do not scratch
or handle roughly while rein-
stalling the glass door frame.
Air Shutter Adjustment Guidelines:
Amount of
Primary Air
Flame
Color
Air Shutter
Adjustment
If air shutter is
closed too far
Flame will Air shutter
be orange gap should be
increased
If air shutter is
open too far
Flame will Air shutter
be blue gap should be
decreased
WARNING
The glass door of this appli-
ance must only be replaced as
a complete unit as provided by
themanufacturer. Donotattempt
to replace broken, cracked or
chipped glass separately.
Bottom Vee-flange
WARNING
Airshutteradjustmentshouldonly
beperformedbyaqualifiedprofes-
sional service technician.
Glass Door
Firebox Floor
Glass Door Latch
Figure 55 - INSTALLING GLASS DOOR
Step 10. BURNER ADJUSTMENTS
WARNING
Do not attempt to touch the front
enclosure glass with your hands
while the fireplace is in use.
Flame Appearance and sooting
WARNING
Ensure front glass panels are in
place and sealed during adjust-
ment.
Proper flame appearance is a flame which is
blueatthebaseandbecomesyellowish-orange
in the body of the flame. When the appliance
is first lit, the entire flame may be blue and will
graduallyturnyellowish-orangeduringthefirst
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.
Removing Glass Enclosure Panels
(see Figure 55)
1. Remove the top louver assembly by lifting it
up and pulling it out.
CAUTION
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
glassenclosurepanel, reachforthehandles
located towards the back of the latches and
pull the handles down toward the front of
the appliance.
Carbonwillbeproducediftheair
shutter is closed too much. Any
damageduetocarboningresult-
ing from improperly setting the
air shutter is not covered under
the warranty.
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.
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.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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Burner Air Shutter Adjustment Procedure
Burner Air Shutter Adjustment
Main Burner Factory Air Shutter
Opening Setting - Inches (millimeter)
Ref. Air shutter Patent:
U.S. Pat. 5,553,603
CAUTION
Adjustment Setscrew
Model
Natural Propane
Theairshutterdoorandnearbyappliancesurfacesare
hot. Exercise caution to avoid injury while adjusting
flame appearance.
Gas
Gas
Adjustment
Rod Up
1/4
1/2
(Fully Open
SSDVT-3530
SSDVR-3530
SSDVT-4035
SSDVR-4035
Burner
Position)
(6.35 mm) (12.7 mm)
1/4 1/2
(6.35 mm) (12.7 mm)
Tube
Burner Air Shutter Adjustment Procedure
Air Shutter
1/4 1/2
(6.35 mm) (12.7 mm)
1/4 1/2
Adjustment Rod
Down (minimum
air opening
1. Locate adjustment rod and adjust air shutter to the standard setting
as shown in Figure 57 (adjustment rod is located in the lower control
compartment).
Note: Move the adjustment rod down to decreases air and up to
increases.
2. Light appliance (follow lighting procedure on lighting label in control
compartment or see homeowners manual).
position)
(6.35 mm) (12.7 mm)
Figure 57
3. Allow the burner to operate for at least 15 minutes while observing
the flame continuously to ensure that the proper flame appearance
has been achieved (see Figure 56). If the following conditions are
present, adjust accordingly.
• Ifflameappearsweakorsooty, adjust airshutter, incrementally, toa
more open position until the proper flame appearance is achieved.
• Ifflamestaysloweredblue,adjust airshutter,incrementally,toamore
closed position until the proper flame appearance is achieved.
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 appearance is normal, re-install the
lower control compartment door then proceed to finish the installation.
Step 11. HOOD INSTALLATION
(Refer to Figure 58)
All of these appliances must have hoods installed prior to operat-
ing.
Slide the hood into the slots on the lower edge of the cabinet top.
FINISHING REQUIREMENTS - Wall Details
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 58).
See Page 6 for Cold Climate Insulation
Burner Flame Appearance Models -
SSDV-3530 & SSDV-4045 Series
and Page 9 for Clearances
This Area Must
3"
Remain Clear of
(76 mm)
Combustible
Materials
Combustible Finished
Wall Materials
1 in. Min.
(25 mm)
Top Spacers
Drywall Bracket / Spacer
Figure 56
Combustible material may
touch the appliance top
Top of Appliance
Louvers
Top of Door Frame
Hood must be installed as shown.
Figure 58 - Combustible Wall Framing
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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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
5
4
The following flashings come packaged with a storm collar:
6
6
6
7
8
77L78
77L79
77L80
77L81
H2246
SV4.5F
Flat Roof Flashing
SV4.5FA
SV4.5FB
SV4.5SC6
SV4.5HF
1/2 to 7/12 Adjustable Flashing
7/2 to 12/12 Adjustable Flashing
Storm Collar (6 per box)
6
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 NOT TO SCALE.
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INSTALLATION ACCESSORIES
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
24
24
25
26
26
26
8
60L10
98K03
10K81
89L40
91L66
91L67
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)
SFMP-12
SF-GC4-6
SF-GC7-6
99L02 SV4.5HRK14 Horizontal Riser Kit, 14"
99L03 SV4.5HRK36 Horizontal Riser Kit, 36"
H1988
H1985
H1987
H1986
H2248
H2249
CTSA-33
CTSO-33
CTSO-44
CTSO-46
SF4.5HF
SF4.5VF
Chase Top Shroud Kit, Arch Top 3 X 3
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.
26
E
CTSO-46 Shroud
for double
terminations
All compressed flex vents can be
expanded up to two times.
25
*
2a
2b
C
2a
2b
18
2a
D
A
2b
2a
B
B
A
Ref. Form #750,193M
D
C
C
1
typ.
Ref. Form #750,194M
typ.
2
Closed Top Shroud Termination Kits
Inches (millimeters)
E
D
Model
A
B
C
D
34"
5"
34"
34"
CTSA-33
B
(864) (127) (864) (864)
A
CTSO-33/44 Shrouds
20
23
for Single terminations
Open Top Shroud Kits
Inches (millimeters)
24
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
(76)
22
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 NOT TO SCALE.
34
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INSTALLATION ACCESSORIES
WARNING
This conversion kit shall be installed
by a qualified service agency in
accordance with the manufacturer's
instructions and all applicable codes
and requirements of the authorized
havingjurisdiction. Iftheinformation
in these instructions is not followed
exactly, a fire, explosion or produc-
tion of carbon monoxide may result
causing property damage, personal
injury or loss of life. The installation
is not proper and complete until the
operation of the converted appliance
is checked as specified in the owner
instructionssuppliedwiththekit.The
qualified service agency performing
thisinstallationassumesresponsibil-
ity for this conversion.
Listed Secure Flex™ Components - SSDV-3530 Models Only
Cat. No.
Model
Description
94L04
SFKIT12SS Flex - Small Square Termination with 12 in. (305 mm)
of *compressed flex vent
94L05
94L06
94L07
94L08
94L09
SFKIT18SS Flex - Small Square Termination with 18 in. (457 mm)
of *compressed flex vent
SFKIT24SS Flex - Small Square Termination with 24 in. (610 mm)
of *compressed flex vent
SFKIT36SS Flex - Small Square Termination with 36 in. (914 mm)
of *compressed flex vent
SFKIT48SS Flex - Small Square Termination with 48 in. (1219 mm)
of *compressed flex vent
SF-HTSS
Horizontal Small Square Termination without flex vent
Listed Secure Vent™ Components - SSDV-3530 Models Only
94L10
SV4.5HTSS Horizontal - Small Square Termination with
Firestop/Spacer (H2246) & Adapter (74L61).
98L27
98L28
SV4.5HTSSL Long Horizontal - Small Square Termination with
Firestop/Spacer (H2246) & Adapter (74L61). 1 PACK
SV4.5HTSSL8 Long Horizontal - Small Square Termination with
Firestop/Spacer (H2246) & Adapter (74L61). 8 PACK
(ref. Form # 750,204M)
* All compressed flex vents can be expanded up to two times.
AVERTISSEMENT
Cet équipement de conversion sera
installé par une agence qualifiée de
service conformément aux instruc-
tions du fabricant et toutes exigences
et codes applicables de l'autorisés
avoir la juridiction. Si l'information
danscetteinstructionn'estpassuivie
exactement,unfeu,explosionoupro-
ductiondeprotoxydedecarbonepeut
résulter le dommages causer de pro-
priété, perteoublessurepersonnelle
de vie. L'agence qualifiée de service
estesponsabledel'installationpropre
de cet équipment. L'installation
n'est pas propre et compléte jusqu'à
l'opération de l'appareil converti est
chéque suivant les critères établis
dans les instructions de propriétaire
provisionnées avec l'équipement.
GAS CONVERSION KITS
Millivolt HONEYWELL Systems
Propane Gas To Natural Gas
Conversion Kits
Millivolt SIT Systems
Natural Gas To Propane Gas
Conversion Kits
Models
Cat. No.
11M34
11M35
Models
Cat. No.
85L59
SSDVT/R-3530
SSDVT/R-4035
SSDVT/R-3530
SSDVT/R-4035
85L60
Electronic HONEYWELL Systems
Natural Gas To Propane Gas
Conversion Kits
Millivolt SIT Systems
Propane to Natural Gas
Conversion Kits
Models
Cat. No.
85L73
Models
Cat. No.
85L66
SSDVT/R-3530
SSDVT/R-4035
SSDVT/R-3530
SSDVT/R-4035
85L74
85L67
Millivolt HONEYWELL Systems
Natural Gas To Propane Gas
Conversion Kits
Electronic HONEYWELL Systems
Propane Gas To Natural Gas
Conversion Kits
IMPORTANT/CANADA
Models
Cat. No.
11M37
11M38
Models
Cat. No.
85L80
The conversion shall be carried out
in accordance with the requirements
of the provincial authorities having
jurisdiction and in accordance with
therequirementsoftheCAN1-B149.1
And B149.2 Installation code.
SSDVT/R-3530
SSDVT/R-4035
SSDVT/R-3530
SSDVT/R-4035
85L81
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
35
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Note - Use extra care not to engage the
orifice strip with the 7/16" open end wrench
(contactingtheorificestripcouldcausestrip
distortion rendering the pilot inoperative).
Also avoid wrench contact to any of the
other pilot parts.
IMPORTANT
LE CANADA SEULEMENT
La conversion devra être effectuée
conformément aux recommanda-
tions des autorités provinciales
ayant juridiction et conformément
auxexigencesducoded'installation
CAN1-B149.1 ET.2.
Pilot for SIT Millivolt
Gas Valve
Use a 7/16" open end wrench and turn the
pilothexfittingcounter-clockwise1/4turn.
(See Figure 63).
Pilot
Orifice
Note - The orifice strip tab may be randomly
located on any side of the hex fitting.
Figure 60
d. Push the orifice strip tab all the way
againstthehexfittingtoaligntheappropri-
ate gas type orifice (see Figures 62 & 63).
The type of gas for which the pilot is set,
is, the gas type shown on the tab.
b. Attach manometer to the manifold side
pressure test fitting and verify manifold
pressurereads3.5incheswatercolumn(0.87
kPa) for natural gas, and 10.0 inches water
column (2.49 kPa) for propane gas.
c. Refer to Figure 60 and remove the pilot
hoodassemblytoaccessthehexedpilotorifice.
Remove and replace the orifice with the one
provided with the kit.
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.
e. Retighten, clockwise, the pilot hex
fitting until the pilot hood aligns with the
thermocouple and thermopile as indicated
by the arrows shown in Figure 63.
Kitpartnumbersarelistedhereandthefollowing
steps detail the conversion procedure.
Pilot for Honeywell Millivolt Gas Valve
Step1. Turnoffthegassupplytotheappliance.
Remove the front glass door/frame from the
appliance. Access the control compartment.
Step 5. Millivolt Appliances
Orifice Strip Tab Position Identification
For LP (propane gas) and Natural Gas
Honeywell Systems -
a. Convert the gas valve as follows
Step2.Carefullyremovethelogs.Exercisecare
L
so as not to break the logs.
LP (propane) Gas Posi-
tion - 1/16 inch hole,
LP and red color shown
on tab.
(seeFigure61):Removetheplasticprotecting
cap. Remove the gas type setting screw by
turningitcounterclockwise. Obtainthereplace-
ment gas type setting screw from the kit and
screw it into place (red for propane and blue
for natural gas). Tighten the gas type setting
screw by turning it clockwise. Replace the
plastic protecting cap.
Step3. Locatethescrewssecuringtheburner
assembly to the appliance. Remove the burner
assembly and retain the securing screws.
Step 4. Millivolt Appliances - SIT Systems
Natural Gas Position
- NAT shown on tab.
NAT
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.
Honeywell Millivolt Gas Valve
Top View of Hex Fiting and Orifice Strip Tab
Figure 62
Pilot for Honeywell Millivolt Gas Valve
(Loosening of Hex Fitting For
Adjusting Knob
Orifice Strip Tab Positioning)
Hood
Alignment
Regulator Cap
Hood
Conversion screw
(blue natural gas;
red LP/propane gas)
SIT Millivolt Gas Valve
7/16 in. Open
End Wrench
Figure 61
Pressure
Regulator
b. Attach manometer to the manifold side
pressure test fitting and verify manifold
pressure reads 3.5 inches water column
(0.87 kPa) for natural gas, and 10.0
inches water column (2.49 kPa) for pro-
pane gas.
Orifice
Strip Tab
Remove
These
Components
Take care not to contact the orifice strip tab
with the hex fitting wrench - distortion of the
tab may render the pilot inoperative.
c. Convert the pilot orifice as follows (see
Figures 62 & 63):
Figure 59
Figure 63
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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Step 6. Electronic Appliances -
Honeywell Systems
See Figure 65 and replace the pilot orifice
as follows: Remove the Igniter assembly
retainerclip, andcarefullyremovetheIgniter
assembly.
Burner Orifice Sizes
Elevation 0-4500 feet ( 0-1372 meters)
Natural
Propane
See Figure 64 and the instructions provided
with the kit. Remove the slotted cap screw,
o-ring, pressure-regulating adjusting screw
and spring. Retain all parts for possible later
use. Install new components from the kit.
Black cap and red spring for propane gas
units. Silver cap and stainless steel spring
for natural gas units. Before installing the
cap, attach manometer to the manifold side
pressure test fitting and adjust screw until
pressurereads3.5incheswatercolumn(0.87
kPa) for natural gas, and 10.0 inches water
column (2.49 kPa) for propane gas.
Model
Series
Gas
Gas
drill size
(inches)
drill size (inches)
Exerciseextremecaretopreventdamagetoor
breakageoftheIgniterassembly. Removethe
screwsecuringthepilotassemblytoitsmount-
ing 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.
2.3 mm (.090")
37L70 •
#54 (.055")
99K79 •
*
*
SSDV-3530
#36 (.1065")
18L4001 •
#52 (.0635")
*
*
SSDV-4035
LB-55874D •
* Standard size installed at factory
• Part /Cat. Number
Table 14
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.
Inlet Pressure Test Port
Manifold
Pressure
Test Port
Figure 66
All Models
Step 7. Remove the burner orifice from the
manifold and replace it with the one
provided with the kit. See Table 14
for orifice sizes required for use with
natural gas or propane gas. Figure 66
illustrated the orifice.
Slotted
Cap
Step 9. Reassemble all removed components
by reversing the procedures outlined
in the preceding steps. Use pipe joint
compound or Teflon tape on all pipe
fittings before installing (ensure pro-
pane resistant compounds are used in
propane applications, do not use pipe
joint compounds on flare fittings).
Spring
Adjusting
Screw
Figure 64
Step 10. Attach the conversion label provided
in the conversion kit to the rating plate
on the appliance.
Pilot
Assembly
Pilot
Orifice
Step 11.Turn on gas supply and test for gas
leaks.
Ignitor
Assembly
Retaining
Clip
Flare Nut
Note: If the Igniter is damaged, a replacement kit is available - order Catalog Number
87L54.
Figure 65
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
37
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NOTES
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
38
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NOTES
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
39
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NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Lennox Hearth Products 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
1110 West Taft Avenue • Orange, CA 92865
P/N 700,029M REV. E 11/2006
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