Heat Glo LifeStyle Indoor Fireplace PIER 40 User Manual
Owner’s Manual  
Installation and Operation  
Models:  
BAY-40, PIER-40  
Multi-Sided  
Wood Burning Fireplace  
BAY-40 Shown  
NOTICE  
DO NOT DISCARD THIS MANUAL  
•
Read, understand  
and follow these  
instructions for safe  
installation and  
operation.  
•
Leave this manual with  
party responsible for  
use and operation.  
•
Important operating  
and maintenance  
instructions included.  
WARNING  
WARNING  
HOT SURFACES!  
If the information in these instruc-  
tions is not followed exactly, a  
fire may result causing property  
damage, personal injury, or death.  
Screen/mesh, glass doors  
and other surfaces are hot  
during operation AND cool  
down.  
• Do not store or use gasoline or other flam-  
mable vapors and liquids in the vicinity of  
this or any other appliance.  
Hot screen/mesh and glass doors will cause burns.  
•
DO NOT touch screen/mesh or glass doors until  
cooled  
•
NEVER allow children to touch screen/mesh or glass  
doors  
Keep children away  
CAREFULLY SUPERVISE children in same room as  
fireplace.  
• Do not overfire. Overfiring will void your  
warranty.  
•
•
• Comply with all minimum clearances to  
combustibles as specified. Failure to  
comply may cause house fire.  
•
Alert children and adults to hazards of high  
temperatures.  
High temperatures may ignite clothing or other  
flammable materials.  
•
Keep clothing, furniture, draperies and other  
flammable materials away.  
Installation and service of this fireplace  
should be performed by qualified personnel.  
Hearth & Home Technologies suggests NFI  
certified or factory-trained professionals, or  
technicians supervised by an  
WARNING  
Fire Risk  
•
For use with solid wood fuel or decorative  
gas appliance only.  
DO NOT install unvented gas logs.  
•
NFI certified professional.  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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Safety Alert Key:  
!
•
•
•
•
DANGER! Indicates a hazardous situation which, if not avoided will result in death or serious injury.  
WARNING! Indicates a hazardous situation which, if not avoided could result in death or serious injury.  
CAUTION! Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.  
NOTICE: Indicates practices which may cause damage to the fireplace or to property.  
Table of Contents  
7
Installation of Fireplace  
A. Things to Consider  
B. Position the Fireplace  
C. Place Protective Metal Hearth Strips  
D. Level Fireplace  
21  
24  
Congratulations!  
Warranty  
2
4
21  
21  
21  
21  
23  
1
2
Listing and Code Approvals  
A. Appliance Certification  
B. Non-Combustible Materials  
C. Combustible Materials  
6
7
6
6
6
E. Install Outside Air Kit  
8
Chimney Assembly  
A. Chimney Requirements  
B. Using Offsets/Returns  
C. Assemble Chimney Sections  
D. Install Chimney Air Kit  
E. Install Ceiling Firestops  
F. Install Attic Insulation Shield  
G. Cut out Hole in Roof  
H. Complete Installation  
I. Install Flashing  
J. Chimney Termination Requirements  
25  
26  
27  
27  
28  
29  
30  
30  
30  
31  
User Guide  
Operating Instructions  
A. Your Fireplace  
B. Seasoned Wood  
C. Starting a Fire  
D. Grate  
E. Firescreen  
F. Flue Damper  
G. Refractory  
H. Glass Doors  
7
8
8
8
8
8
8
9
9
Chase Installations  
32  
A. Construct the Chase  
B. Install Fireplace & Chimney  
C. Install Chase Top  
32  
33  
33  
34  
I. Outside Air (optional)  
J. Vented Gas Log Sets & Gas Log Lighters  
K. Optional Components  
L. Clear Space  
9
9
9
9
D. Install Termination Cap  
M. Wood Fuel  
10  
10 Shrouds  
36  
38  
A. Radiation Shield  
B. Field Constructed Shrouds  
36  
36  
3
Maintenance and Service  
A. Disposal of Ashes  
B. Chimney Inspection/Cleaning  
C. Check Firebox Refractory  
D. Inspect Grate  
11  
11  
11  
12  
12  
12  
11 Finishing  
A. Non-Combustible Materials  
B. Combustible Materials  
C. Hearth Extension  
38  
38  
38  
40  
41  
41  
E. Glass Cleaning  
D. Finishing Material  
E. Combustible Mantel  
F. Sidewalls/Surrounds  
4
5
Troubleshooting Guide  
13  
14  
Installer Guide  
12 Accessories  
42  
43  
A. Gas Log/Lighter Provision  
B. Wood Burning Inserts  
42  
42  
Getting Started  
A. Typical Fireplace System  
B. Design and Installation Considerations  
C. Draft  
14  
15  
15  
15  
16  
17  
17  
17  
13 Reference Materials  
A. Fireplace Dimensions  
B. Optional Components  
C. Chimney Components  
D. Service Parts  
43  
44  
45  
48  
52  
D. Negative Pressure  
E. Locating Fireplace & Chimney  
F. Tools and Supplies Needed  
G. Fireplace System Requirements  
H. Inspect Fireplace and Components  
E. Contact Information  
6
Framing & Clearances  
A. Select Fireplace Location  
B. Clearances  
18  
18  
19  
20  
20  
C. Sidewalls/Surrounds  
D. Frame the Fireplace  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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Warranty  
Hearth & Home Technologies Inc.  
LIMITED LIFETIME WARRANTY  
Hearth & Home Technologies Inc., on behalf of its hearth brands (”HHT”), extends the following warranty for  
HHT gas, wood, pellet, coal and electric hearth appliances that are purchased from an HHT authorized dealer.  
WARRANTY COVERAGE:  
HHT warrants to the original owner of the HHT appliance at the site of installation, and to any transferee taking ownership  
of the appliance at the site of installation within two years following the date of original purchase, that the HHT appliance  
will be free from defects in materials and workmanship at the time of manufacture. After installation, if covered compo-  
nents manufactured by HHT are found to be defective in materials or workmanship during the applicable warranty period,  
HHT will, at its option, repair or replace the covered components. HHT, at its own discretion, may fully discharge all of its  
obligations under such warranties by replacing the product itself or refunding the verified purchase price of the product  
itself. The maximum amount recoverable under this warranty is limited to the purchase price of the product. This warranty  
is subject to conditions, exclusions and limitations as described below.  
WARRANTY PERIOD:  
Warranty coverage begins on the date of original purchase. In the case of new home construction, warranty coverage  
begins on the date of first occupancy of the dwelling or six months after the sale of the product by an independent,  
authorized HHT dealer/ distributor, whichever occurs earlier. The warranty shall commence no later than 24 months  
following the date of product shipment from HHT, regardless of the installation or occupancy date. The warranty period for  
parts and labor for covered components is produced in the following table.  
The term “Limited Lifetime” in the table below is defined as: 20 years from the beginning date of warranty coverage for  
gas appliances, and 10 years from the beginning date of warranty coverage for wood, pellet, and coal appliances. These  
time periods reflect the minimum expected useful lives of the designated components under normal operating conditions.  
Warranty Period  
Parts Labor  
HHT Manufactured Appliances and Venting  
EPA  
Components Covered  
Gas  
X
Wood Pellet  
Coal Electric Venting  
Wood  
All parts and material except as  
covered by Conditions,  
Exclusions, and Limitations  
listed  
1 Year  
X
X
X
X
X
X
Igniters, electronic components,  
and glass  
X
X
X
X
X
X
2 years  
X
X
X
Factory-installed blowers  
Molded refractory panels  
3 years  
X
X
Firepots and burnpots  
Castings and baffles  
5 years 1 year  
X
X
Manifold tubes,  
HHT chimney and termination  
7 years 3 years  
X
X
10  
1 year  
years  
X
X
X
Burners, logs and refractory  
Firebox and heat exchanger  
Limited  
3 years  
Lifetime  
X
X
X
X
X
X
X
X
All replacement parts  
beyond warranty period  
90 Days  
X
X
See conditions, exclusions, and limitations on next page.  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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WARRANTY CONDITIONS:  
•
This warranty only covers HHT appliances that are purchased through an HHT authorized dealer or distributor. A list of  
HHT authorized dealers is available on the HHT branded websites.  
•
•
This warranty is only valid while the HHT appliance remains at the site of original installation.  
Contact your installing dealer for warranty service. If the installing dealer is unable to provide necessary parts, contact  
the nearest HHT authorized dealer or supplier. Additional service fees may apply if you are seeking warranty service  
from a dealer other than the dealer from whom you originally purchased the product.  
•
Check with your dealer in advance for any costs to you when arranging a warranty call. Travel and shipping charges  
for parts are not covered by this warranty.  
WARRANTY EXCLUSIONS:  
This warranty does not cover the following:  
•
•
•
Changes in surface finishes as a result of normal use. As a heating appliance, some changes in color of interior and  
exterior surface finishes may occur. This is not a flaw and is not covered under warranty.  
Damage to printed, plated, or enameled surfaces caused by fingerprints, accidents, misuse, scratches, melted items,  
or other external sources and residues left on the plated surfaces from the use of abrasive cleaners or polishes.  
Repair or replacement of parts that are subject to normal wear and tear during the warranty period. These parts  
include: paint, wood, pellet and coal gaskets, firebricks, grates, flame guides, light bulbs, batteries and the discolor-  
ation of glass.  
•
•
Minor expansion, contraction, or movement of certain parts causing noise. These conditions are normal and com-  
plaints related to this noise are not covered by this warranty.  
Damages resulting from: (1) failure to install, operate, or maintain the appliance in accordance with the installation  
instructions, operating instructions, and listing agent identification label furnished with the appliance; (2) failure to  
install the appliance in accordance with local building codes; (3) shipping or improper handling; (4) improper opera-  
tion, abuse, misuse, continued operation with damaged, corroded or failed components, accident, or improperly/  
incorrectly performed repairs; (5) environmental conditions, inadequate ventilation, negative pressure, or drafting  
caused by tightly sealed constructions, insufficient make-up air supply, or handling devices such as exhaust fans or  
forced air furnaces or other such causes; (6) use of fuels other than those specified in the operating instructions; (7)  
installation or use of components not supplied with the appliance or any other components not expressly authorized  
and approved by HHT; (8) modification of the appliance not expressly authorized and approved by HHT in writing;  
and/or (9) interruptions or fluctuations of electrical power supply to the appliance.  
•
•
•
Non-HHT venting components, hearth components or other accessories used in conjunction with the appliance.  
Any part of a pre-existing fireplace system in which an insert or a decorative gas appliance is installed.  
HHT’s obligation under this warranty does not extend to the appliance’s capability to heat the desired space. Informa-  
tion is provided to assist the consumer and the dealer in selecting the proper appliance for the application. Consider-  
ation must be given to appliance location and configuration, environmental conditions, insulation and air tightness of  
the structure.  
This warranty is void if:  
•
The appliance has been over-fired or operated in atmospheres contaminated by chlorine, fluorine, or other damaging  
chemicals. Over-firing can be identified by, but not limited to, warped plates or tubes, rust colored cast iron, bubbling,  
cracking and discoloration of steel or enamel finishes.  
•
•
The appliance is subjected to prolonged periods of dampness or condensation.  
There is any damage to the appliance or other components due to water or weather damage which is the result of, but  
not limited to, improper chimney or venting installation.  
LIMITATIONS OF LIABILITY:  
•
The owner’s exclusive remedy and HHT’s sole obligation under this warranty, under any other warranty, express or  
implied, or in contract, tort or otherwise, shall be limited to replacement, repair, or refund, as specified above. In no  
event will HHT be liable for any incidental or consequential damages caused by defects in the appliance. Some states  
do not allow exclusions or limitation of incidental or consequential damages, so these limitations may not apply to you.  
This warranty gives you specific rights; you may also have other rights, which vary from state to state. EXCEPT TO  
THE EXTENT PROVIDED BY LAW, HHT MAKES NO EXPRESS WARRANTIES OTHER THAN THE WARRANTY  
SPECIFIED HEREIN. THE DURATION OF ANY IMPLIED WARRANTY IS LIMITED TO DURATION OF THE  
EXPRESSED WARRANTY SPECIFIED ABOVE.  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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Listing and Code Approvals  
1
A. Appliance Certification  
B. Non-Combustible Materials  
This fireplace system has been tested and listed in accor-  
dance with UL 127 standards by Underwriters Laborato-  
ries Inc. for installation and operation in the United States.  
•
Materials which will not ignite and burn, composed of  
any combination of the following:  
-
-
-
-
Steel  
Brick  
Concrete  
Glass  
- Iron  
- Tile  
- Slate  
- Plasters  
This fireplace may be installed in sleeping rooms EX-  
CEPT in manufactured homes. If installed with a gas log  
set, provisions for the National Fuel Gas Code must be  
met.  
•
Materials reported as passing ASTM E 136, Standard  
Test Method for Behavior of Metals, in a Vertical Tube  
Furnace at 750° C  
This fireplace has been tested and listed for use with the  
optional components specified in this manual. These op-  
tional components may be purchased separately and in-  
stalled at a later date. Installation of an outside air kit will  
require significant reconstruction and is best if installed at  
the time of fireplace installation.  
C. Combustible Materials  
•
Materials made of or surfaced with any of the following  
materials:  
-
-
Wood  
- Compressed paper  
Heat & Glo is a registered trademark of Hearth & Home  
Technologies Inc.  
Plant fibers - Plastic  
•
Any material that can ignite and burn; flame proofed or  
not, plastered or un-plastered  
WARNING! Risk of Fire! Hearth & Home Technologies  
disclaims any responsibility for, and the warranty and  
agency listing will be voided by the following actions.  
DO NOT:  
• install or operate damaged fireplace  
• modify fireplace  
• install other than as instructed by Hearth & Home  
Technologies  
• operate the fireplace without fully assembling all  
components  
• overfire  
• install an unvented gas log set  
• install any component not approved by Hearth &  
Home Technologies  
• install parts or components not Listed or approved  
Improper installation, adjustment, alteration, service or  
maintenance can cause injury or property damage. For  
assistance or additional information, consult a qualified  
installer, service agency or your dealer.  
NOTICE: This fireplace is tested and approved as a  
decorative fireplace. It should not be factored as a primary  
heat source in residential heating calculations.  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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User Guide  
Operating Instructions  
2
WARNING  
HOT SURFACES!  
Glass and other surfaces are hot during operation AND cool down.  
Hot glass will cause burns.  
•
•
•
•
•
DO NOT touch glass until it is cooled  
NEVER allow children to touch glass  
Keep children away  
CAREFULLY SUPERVISE children in same room as fireplace.  
Alert children and adults to hazards of high temperatures.  
High temperatures may ignite clothing or other flammable materials.  
Keep clothing, furniture, draperies and other flammable materials away.  
•
If you expect that children may come into contact with this fireplace, we recommend a barrier such as a decorative  
screen. See your dealer for suggestions.  
A. Your Fireplace  
WARNING! DO NOT operate fireplace before reading and understanding operating instructions. Failure to operate fireplace  
according to operating instructions could cause fire or injury.  
Gas Log Set  
Gas Log Lighters  
(not shown)  
Damper Control  
Section 2.J.  
Up - Open  
Down - Closed  
Refractory  
Section 2.G.  
Glass Doors  
(not shown)  
Section 2.H.  
Firescreen  
(not shown)  
Section 2.E.  
Grate  
Section 2.D.  
Wood Fuel  
Section 2.M.  
Outside Air  
Control  
LIFT to OPEN  
Clear Space  
Section 2.L.  
Outside Air  
Control  
Hearth  
PULL to OPEN  
BAY-40  
PIER-40  
Figure 2.1 General Operating Parts  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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B. Seasoned Wood  
D. Grate  
Properly seasoned wood is important for successful  
operation of your fireplace. Most woodburning fireplace  
problems are caused by burning wet, unseasoned wood.  
This fireplace is designed to be used with the grate sup-  
plied with this unit or one approved by HHT. The grate will  
break down over time and will need occasional replace-  
ment.  
Seasoned firewood is wood that is cut to size, split and air  
dried to a moisture content of around 20%.  
WARNING! Risk of Fire! Use only the factory-supplied  
integral grate.  
Imagine a wooden bucket that weighs about eight  
pounds. Fill it with a gallon of water, put it in the fireplace  
and try to burn it. This sounds ridiculous but that is exactly  
what you are doing if you burn unseasoned wood.  
•
•
Keeps logs in place.  
Allows proper air circulation around the fire.  
A tree cut down a year ago and not split is likely to have  
almost as high a moisture content now as it did when it  
was cut.  
E. Firescreen  
The firescreen is provided to control sparks. Keep it  
closed when the fireplace is in use.  
Please refer to Section 2.M. for more detail.  
WARNING! Risk of Fire or Burns!  
•
Screen will not prevent burning materials from falling  
out.  
C. Starting a Fire  
•
Screen pulls or handles may be hot.  
NOTICE: You must establish a good draft to prevent smoke  
spillage into the room.  
WARNING! Risk of Fire! Keep combustible materials,  
gasoline and other flammable vapors and liquids clear of  
the fireplace.  
F. Flue Damper  
•
•
Refer to Figure 2.1 for location of control.  
Must be in fully open position (handle up toward the top  
of the fireplace) during operation of the fireplace.  
Before lighting the fireplace, verify fully open position by  
looking up from the inside of the fireplace.  
DO NOT:  
•
•
store flammable materials close to the fireplace  
use gasoline, lantern fuel, kerosene, charcoal lighter  
fluid or similar liquids to start or “freshen up” a fire in this  
fireplace.  
•
WARNING! Risk of Fire and Asphyxiation! Open  
damper prior to operating fireplace. A closed damper  
overfires the fireplace and spills smoke and flames  
into the room.  
Keep all flammable liquids well away from the fireplace while  
it is in use. Combustible materials may ignite.  
•
The first three or four fires should be of moderate size to  
allow the oils and binders to be burned from the fireplace  
and the refractory and paint to cure. You may notice  
an industrial odor the first few fires. This is considered  
normal.  
G. Refractory  
•
The refractory is supplied to contain heat and provide  
an attractive interior.  
•
It will break down over time and will need occasional  
replacement. Small hairline cracks and discoloration are  
normal and do not affect its safety.  
•
•
•
Use well-seasoned wood.  
Open the flue damper to a fully open position.  
Place crumpled or twisted paper under the fireplace  
grate.  
•
(See refractory maintenance Section 3.C.)  
•
•
Loosely arrange kindling or small pieces of wood to form  
a ‘tent’ on the fireplace grate.  
Pre-warm the flue to establish a draft to help reduce  
smoke spillage during start-up. Hold a rolled up piece  
of burning newspaper under the flue damper for a few  
moments.  
WARNING! Risk of Fire! DO NOT burn fireplace with-  
out refractory. Use only refractory supplied by Hearth &  
Home Technologies, Inc.  
•
•
Light the crumpled paper to ignite the kindling.  
Add small pieces of wood until a hot bed of embers has  
been established.  
•
Add a minimum of three average size pieces of split  
firewood, placed to allow combustion air and flames  
between them.  
CAUTION! Odors and vapors released during initial  
operation may be irritating to sensitive individuals.  
Open windows for air circulation.  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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H. Glass Doors  
FULLY OPEN  
CORRECT  
PARTLY OPEN  
INCORRECT  
•
•
Glass doors are optional.  
Refer to Figure 2.2 for how to properly use them.  
WARNING! Risk of Fire! Install ONLY doors ap-  
proved by Hearth & Home Technologies, Inc.  
WARNING! Risk of Fire and Smoke! Fireplaces  
equipped with doors should be operated only with  
doors fully open or doors fully closed. If doors are left  
partly open, gas and flame may be drawn out of the  
fireplace opening.  
FULLY CLOSED  
CORRECT  
PARTLY CLOSED  
INCORRECT  
I. Outside Air (optional)  
The outside air kit supplies some combustion air for your  
fireplace. It may help reduce the effects of negative air  
pressure. (See Section 5.D.)  
Figure 2.2 Operating Positions of Bi-fold Doors  
•
•
Refer to Figure 2.1 for location of control  
Close the inlet to prevent cold drafts when the fireplace  
is not being used.  
K. Optional Components  
•
•
Other options may be available  
Consult your dealer/distributor  
CAUTION! Risk of Burns! The outside air control  
handle is HOT when fireplace is in operation. Adjust  
BEFORE lighting fire.  
WARNING! Risk of Fire! DO NOT install and or use  
any component not approved by Hearth & Home Tech-  
nologies Inc.  
J. Vented Gas Log Sets & Gas Log Lighters  
L. Clear Space  
•
•
Optional  
•
Do not place combustible objects within areas indicated  
in Figure 2.3.  
Vented gas logs or gas log lighters can be installed in  
this fireplace. Follow the instructions provided with the  
accessory for operation.  
WARNING! DO NOT place combustible objects in front  
of the fireplace. High temperatures may ignite clothing,  
furniture or draperies.  
WARNING! Risk of Fire or Asphyxiation!  
• DO NOT install unvented gas logs.  
• Damper must be locked open.  
• Gas flame may generate fumes.  
•
Mantel - avoid placing candles and other heat-sensitive  
objects on mantel or hearth. Heat may damage these  
objects.  
12 in. (305 mm)  
62 in.  
(1575 mm)  
from opening of  
fireplace  
72 in.  
(1829 mm)  
16 in.  
(406 mm)  
16 in.  
(406 mm)  
56 in.  
(1422 mm)  
40-1/2 in.  
(1029 mm)  
26 in.  
6 in.  
(152 mm)  
(660 mm)  
to front of  
fireplace  
opening  
HEARTH  
EXTENSION  
(shaded)  
HEARTH  
EXTENSION  
(shaded)  
64 in.  
(1626 mm)  
64 in.  
(1626 mm)  
BAY-40  
PIER-40  
Figure 2.3 Clear Space  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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Seasoned Wood  
M.Wood Fuel  
•
•
•
Cut logs to size  
Split to 6 in. (152 mm) or less  
Air dry to a moisture content of around 20%  
Hardwood vs Softwood  
Your fireplace performance depends on the quality of the  
firewood you use.  
-
-
Soft wood - about nine months  
Hard wood - about eighteen months  
•
Seasoned wood contains about 8,000 BTUs per pound  
.
•
•
•
Hard woods are more dense than soft woods.  
Hard woods contain 60% more BTUs than soft woods.  
Hard woods require more time to season, burn slower  
and are harder to ignite.  
Soft woods require less time to dry, burn faster and are  
easier to ignite.  
Start the fire with soft wood to bring the fireplace up to  
operating temperature and to establish draft.  
Add hard wood for slow, even heat and longer burn  
time.  
NOTICE: Seasoning time may vary depending on drying  
conditions.  
Storing Wood  
•
•
•
Steps to ensure properly seasoned wood:  
•
•
•
•
Stack wood to allow air to circulate freely around and  
through woodpile.  
Elevate wood pile off ground to allow air circulation  
underneath.  
Smaller pieces of wood dry faster. Any piece over 6 in.  
(152 mm) in diameter should be split.  
Wood (whole or split) should be stacked so both ends  
of each peice are exposed to air. More drying occurs  
through the cut ends than the sides.  
Soft woods  
Hard woods  
•
•
•
•
•
•
•
Douglas Fir  
Pine  
• Oak  
• Maple  
• Apple  
• Birch  
Spruce  
Cedar  
Poplar  
Aspen  
Alder  
•
Store wood under cover to prevent water absorbtion  
from rain or snow. Avoid covering the sides and ends  
completely.  
WARNING! Fire Risk! DO NOT store wood:  
•
•
In front of the fireplace.  
In space required for loading or ash removal.  
Moisture  
WARNING! Risk of Fire!  
•
•
DO NOT burn wet or green wood.  
Wet, unseasoned wood can cause accumulation of  
creosote.  
Processed Solid Fuel Firelogs  
Manufactured firelogs may be used with this fireplace.  
Hearth & Home Technologies Inc. recommends the use of  
UL Classified processed fuel firelogs. Follow the manufac-  
turer’s lighting and safety instructions.  
The majority of the problems fireplace owners experience  
are caused by trying to burn wet, unseasoned wood.  
•
Wet, unseasoned wood requires energy to evaporate  
the water instead of heating your home, and  
Evaporating moisture cools your chimney, accelerating  
formation of creosote.  
Using firelogs may require more frequent chimney inspec-  
tion and cleaning.  
•
Do not poke or stir the logs while they are burning. Use  
only firelogs that have been evaluated for the application  
in manufactured fireplaces and refer to firelog warnings  
and caution markings on packaging prior to use.  
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Maintenance and Service  
3
B. Chimney Inspection/Cleaning  
A. Disposal of Ashes  
Frequency: At least twice a year during heating season  
or as recommended by a certified chimney sweep  
By: Certified chimney sweep  
Frequency: When they reach bottom of grate  
By: Homeowner  
WARNING! Risk of Fire! Ashes could contain hot em-  
bers.  
WARNING! Risk of Fire! Ignited creosote is extremely  
HOT. Prevent creosote buildup.  
•
•
Place ashes in a metal container with a tight-fitting lid.  
The closed container should be placed on a non-  
combustible floor or on the ground, well away from all  
combustible materials, pending final disposal.  
If the ashes are disposed of by burial in soil or otherwise  
locally dispersed, they should be retained in the closed  
container until all cinders have thoroughly cooled.  
Refer to Figure 3.1 to remove/reinstall termination caps.  
Creosote - Formation and Need for Removal  
When wood is burned slowly, it produces tar and other  
organic vapors, which combine with expelled moisture to  
form creosote. The creosote vapors condense in the rela-  
tively cool chimney flue of a slow-burning fire. As a result,  
creosote residue accumulates on the flue lining. When  
ignited this creosote makes an extremely hot fire.  
•
WARNING! Risk of Fire! A chimney fire can permanently  
damage your chimney system and nearby structures.  
In the event of a chimney fire, Hearth & Home Technolo-  
gies Inc. recommends  
•
•
replacement of the chimney, and  
inspection of the adjacent structure to the provisions of  
NFPA Level III inspection criteria.  
The chimney shall be inspected at least twice a year  
during the heating season to determine when a creosote  
buildup has occurred.  
When creosote has accumulated it shall be removed to  
reduce the risk of a chimney fire.  
1. REMOVE (8) SCREWS  
2. LIFT TOP  
Remove 2 screws from  
the front and back and  
lift the top off.  
Remove 4 screws  
and lift top pan off.  
Remove screws,  
lift top cover.  
TOP  
TOP  
Top Cover  
Cap  
Cap  
SCREW  
Chimney  
SCREW  
Slip  
Section  
TR11/TR11T  
Round Termination Cap  
TCT1175  
Terra Cotta  
Termination Cap  
ST1175  
Square Termination Cap  
DT SERIES  
Figure 3.1 Chimney & Termination Cap Cleaning  
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C. Check Firebox Refractory  
Frequency: After each ash removal  
By: Homeowner  
WARNING! Risk of Fire! Inspect fireplace refractory.  
Crumbling, deteriorated refractory can allow overheating  
of surrounding materials.  
Expansion and contraction will cause minor cracking of  
the refractory. This is normal. The refractory will require  
periodic replacement depending on use.  
The panels should be replaced if  
•
•
•
Cracks exceed ¼ inch (6 mm) in width,  
Metal is exposed behind the refractory,  
Large pieces of refractory fall out.  
D. Inspect Grate  
Frequency: After each ash removal  
By: Homeowner  
Inspect grate for:  
•
•
•
Warping or sagging 1-1/2 in. (38 mm) or more  
Broken welds  
Burn-through of grate bars  
For safe operation, replace only with an approved grate  
from Hearth & Homes Technologies Inc.  
E. Glass Cleaning  
Frequency: As desired  
By: Homeowner  
CAUTION! Handle glass assembly with care. Glass is  
breakable.  
•
•
•
Avoid striking, scratching or slamming glass  
Avoid abrasive cleaners  
DO NOT clean glass while it is hot  
Clean glass with a non-abrasive commercially available  
cleaner or ashes:  
•
Light deposits  
Use household glass cleaner  
Heavy deposits  
-
•
-
-
Use wood ash on damp cloth or,  
Use commercial fireplace glass cleaner (consult with  
your dealer)  
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Troubleshooting Guide  
4
Start Fire Problems  
Possible Cause  
Solution  
Can’t get fire started  
Excessive smoke or spillage  
Burns too slowly  
Not enough kindling/paper or no Use dry kindling, more paper. Arrange kindling &  
kindling/paper  
wood for air movement.  
Damper closed/not fully open  
Not enough air for fire to ignite  
Open damper.  
Smolders, sizzles  
Check for restricted cap/shroud.  
Open air kit (if installed).  
Check for flue blockage.  
Pre-warm flue before starting fire (refer to starting  
fire section).  
Check for adequate vent height (refer to chimney  
assembly section).  
Open window below the fireplace towards the  
wind.  
Wood condition is too wet, too  
large  
Use dry, seasoned wood (refer to wood fuel  
section).  
Bed of coals not established  
before adding wood  
Start with paper & kindling to establish bed of  
coals (refer to starting fire section).  
Flue blockage such as birds’  
nests or leaves in termination  
cap  
Have chimney inspected for creosote and cleaned  
by a certified chimney sweep.  
Down draft or negative pressure Do not use exhaust fans during start-up (refer to  
Competition with exhaust  
devices  
negative pressure section).  
Open window below the fireplace towards the  
wind.  
Fire burns too fast  
Extremely dry or soft wood  
Mix in hardwood.  
Mix in less seasoned wood after fire is established  
(refer to wood fuel section).  
No glass doors  
Overdrafting  
Add glass doors to slow down air flow.  
Check for correct vent height; too much vertical  
height creates overdrafting.  
Check location of vent termination (refer to  
chimney assembly section).  
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Installer Guide  
Getting Started  
5
A. Typical Fireplace System  
Additional lateral  
support for chimney  
above roof (or enclosed  
in chase) if needed  
(Section 8)  
NOTICE:  
•
Illustrations and photos reflect typical installations  
and are for design purposes only.  
•
•
Illustrations/diagrams are not drawn to scale.  
Actual product may vary from pictures in manual.  
Termination cap  
(Section 8 & 9)  
Non-combustible  
roof flashing maintains  
minimum clearance  
around chimney  
Storm Collar  
(Section 8)  
Chimney penetrates roof  
preferably without affecting  
roof rafters (Section 9)  
Support straps  
on rafter support  
chimney (not shown)  
Offset & Return (with hanger straps)  
(Section 8)  
Attic insulation shield (not shown)  
must be used here to keep  
Ceiling firestop  
on floor of attic  
(Section 8)  
insulation away from chimney  
if attic is insulated (Section 8)  
Chimney system  
(Section 8)  
Framing headed off  
in ceiling joists  
(Section 8)  
Combustible framing/header  
on top of V-shaped standoffs  
(Section 6)  
Enclosed space above  
and around fireplace  
(Section 6)  
))))  
Chimney Air Kit  
(Section 8)  
Outlet must be  
no less than  
Mantel and surround  
(Section 11)  
6 ft. (1.83m) off  
ground level.  
Decorative facing  
and trim  
)
)
(Section 11)  
Hearth extension  
(Section 11)  
Factory-built fireplace  
Outside  
combustion air  
(Section 7)  
Protective metal  
hearth strip(s)  
(Section 7)  
Figure 5.1 Typical Fireplace System  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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B. Design and Installation Considerations  
D. Negative Pressure  
WARNING! Risk of Asphyxiation! Negative pressure  
can cause spillage of combustion fumes and soot. Fire  
must draft properly for safe operation.  
NOTICE: Check building codes prior to installation.  
•
•
Installation MUST comply with local, regional, state and  
national codes and regulations.  
Consult insurance carrier, local building inspector, fire  
officials or authorities having jurisdiction over restrictions,  
installation inspection and permits.  
Negative pressure results from the imbalance of air avail-  
able for the fireplace to operate properly. It can be stron-  
gest in lower levels of the house.  
Causes include:  
Before installing, determine the following:  
•
•
•
Exhaust fans (kitchen, bath, etc.)  
Range hoods  
Combustion air requirements for furnaces, water heaters  
and other combustion appliances  
Clothes dryers  
•
•
•
•
•
•
Where the fireplace is to be installed  
The vent system configuration to be used  
Gas supply piping  
Electrical wiring  
Framing and finishing details  
•
•
Location of return-air vents to furnace or air  
conditioning  
Whether optional accessories—devices such as a fan,  
wall switch or remote control—are desired  
•
•
Imbalances of the HVAC air handling system  
Upper level air leaks such as:  
- Recessed lighting  
NOTICE: Junction box should be installed during initial  
setup to avoid major reconstruction.  
- Attic hatch  
- Duct leaks  
C. Draft  
To minimize the effects of negative air pressure:  
Draft is the pressure difference needed to vent fireplaces  
successfully. When a fireplace is drafting successfully, all  
combustion byproducts are exiting the home through the  
chimney.  
•
•
•
•
Install the outside air kit with the intake facing prevailing  
winds during the heating season  
Ensure adequate outdoor air for all combustion  
appliances and exhaust equipment  
Ensure furnace and air conditioning return vents are not  
located in the immediate vicinity of the fireplace  
Avoid installing the fireplace near doors, walkways or  
small isolated spaces  
Considerations for successful draft include:  
•
•
Preventing negative pressure  
Location of fireplace and chimney  
NOTICE: Hearth & Home Technologies assumes no  
responsibility for the improper performance of the fireplace  
system caused by:  
•
•
•
Recessed lighting should be a “sealed can” design  
Attic hatches weather stripped or sealed  
Attic mounted duct work and air handler joints and seams  
taped or sealed  
•
•
•
•
•
Inadequate draft due to environmental conditions  
Downdrafts  
Tight sealing construction of the structure  
Mechanical exhausting devices  
Improper location of the chimney  
•
Basement installations should be avoided  
NOTICE: Hearth & Home Technologies Inc. recommends  
the use of direct vent fireplaces in basements.  
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E. Locating Fireplace & Chimney  
Location of the fireplace and chimney will affect perfor-  
mance.  
•
Install within the warm airspace enclosed by the building  
envelope. This helps to produce more draft, especially  
during lighting and die-down of the fire.  
•
•
Penetrate the highest part of the roof. This minimizes  
the effects of wind loading.  
Locate termination cap away from trees, adjacent  
structures, uneven roof lines and other obstructions.  
Minimize the use of chimney offsets.  
•
•
Consider the fireplace location relative to floor and ceiling  
and attic joists.  
•
Take into consideration the termination requirements in  
Section 8 and Section 9.  
NOTICE: Locating the fireplace in a basement or in a location  
of considerable air movement can cause intermittent smoke  
spillage from fireplace. Do not locate fireplace near  
•
•
frequently open doors  
central heat outlets or returns  
Recommended Location:  
• Above peak  
• Inside heated space  
Recommended Location:  
• Above peak  
Marginal Location:  
• Wind loading possible  
Marginal Location:  
• Below peak  
Location NOT recommended:  
• Not the highest point of the roof  
• Wind loading possible  
Location NOT recommended:  
• Too close to tree  
• Below adjacent structure  
• Lower roof line  
• Avoid outside wall  
Recommended:  
• Insulated exterior chase  
in cooler climates  
Windward  
Leeward  
Multi-level Roofs  
Figure 5.2 Recommended Chimney Locations  
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F. Tools and Supplies Needed  
H. Inspect Fireplace and Components  
WARNING! Risk of Fire and/or Explosion! Damaged  
parts could impair safe operation. DO NOT install dam-  
aged, incomplete or substitute components. Keep fire-  
place dry.  
Before beginning the installation be sure the following  
tools and building supplies are available:  
Reciprocating saw  
Pliers  
Framing material  
Non-combustible sealant  
Gloves  
•
Remove fireplace and components from packaging and  
inspect for damage.  
Hammer  
•
Vent system components and doors are shipped in  
separate packages.  
Phillips screwdriver  
Framing square  
Flat blade screwdriver Electric drill and bits  
•
•
Report to your dealer any parts damaged in shipment.  
Read all the instructions before starting the  
installation. Follow these instructions carefully  
during the installation to ensure maximum safety  
and benefit.  
Plumb line  
Level  
Safety glasses  
Tape measure  
1/2-3/4 in. length, #6 or #8 self-drilling screws  
Misc. screws and nails  
G. Fireplace System Requirements  
This fireplace system requires:  
•
•
•
•
•
Fireplace  
Hearth Refractory  
Grate Assembly  
Hearth Extension (required, sold separately)  
Outside Air Kit  
-
Duct (required for outside air installation, sold  
separately)  
•
•
Chimney System (required, sold separately)  
Termination Cap (required, sold separately)  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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Framing & Clearances  
6
A. Select Fireplace Location  
12 in. (305 mm)  
from opening of  
fireplace  
62 in.  
(1575 mm)  
72 in.  
(1829 mm)  
16 in.  
(406 mm)  
Note:  
1/2 in. min. distance from  
fireplace to combustible  
materials.  
16 in.  
(406 mm)  
56 in.  
40-1/2 in.  
In addition to these  
framing dimensions,  
also reference the  
following sections:  
• Clearances  
Note:  
(1422 mm)  
(1029 mm)  
26 in.  
6 in.  
(152 mm)  
(660 mm)  
to front of  
fireplace  
opening  
HEARTH  
HEARTH  
EXTENSION  
(shaded)  
• Mantel Projections  
• Fireplace Dimensions  
EXTENSION  
(shaded)  
64 in.  
(1626 mm)  
64 in.  
(1626 mm)  
BAY-40  
PIER-40  
Figure 6.1 Fireplace Locations  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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B. Clearances  
WARNING! Risk of Fire! You must comply with all minimum air space clearances to combustibles as specified in Fig-  
ure 6.2. DO NOT pack required air spaces with insulation or other materials.  
Storm Collar  
Roof Flashing  
Shaded areas  
represent  
2 in. (51 mm) min.  
air space clearance  
required around pipe  
(attic)  
Attic  
Insulation  
Shield  
(insulation)  
(ceiling)  
Offset/Return (secured  
with hanger straps)  
2 in. (51 mm) min.  
(ceiling)  
Ceiling Firestop  
Must have 2 in. (51 mm)  
minimum clearance  
to header  
0 in. to level  
of standoffs  
1/2 in. (13 mm) to  
back of appliance  
48 in.  
1219 mm  
0 in.  
to floor  
Figure 6.2 Air Space Clearances  
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C. Sidewalls/Surrounds  
•
•
Adjacent combustible sidewalls must be located a minimum of 12 in. (305 mm) from the fireplace opening.  
Combustible and non-combustible mantel legs, surrounds and stub walls may be constructed within the gridded area,  
Figure 6.3.  
4 in.  
[102 mm]  
11.92 in.  
[303 mm]  
36 in.  
[914 mm]  
(fireplace opening)  
36 in.  
[914 mm]  
(fireplace opening  
9 3/4 in.  
[248 mm]  
40 in.  
[1016 mm]  
40 in.  
[1016 mm]  
FLUSH  
FRONT  
BRICK  
FRONT  
12 in.  
12 in.  
[305 mm]  
[305 mm]  
Figure 6.3 Mantel Leg or Wall Projections  
D. Frame the Fireplace  
Figure 6.4 shows typical framing using combustible materials (2x4 lumber shown).  
•
•
Observe all required air space clearances to combustible materials as shown in Figure 6.1 & 6.2.  
Framing across the top of fireplace must be above top standoffs.  
2 in. (51 mm) minimum air space  
2 in. (51 mm) minimum air space  
clearance to enclosure  
clearance to enclosure  
Mantel  
Mantel  
12 in. max.  
(305 mm)  
12 in. max.  
(305 mm)  
47-1/8 in. (1197 mm)  
Header Height  
47-1/8 in. (1197 mm)  
Header Height  
PIER-40  
BAY-40  
Figure 6.4 Framing the Fireplace  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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Installation of Fireplace  
7
CAUTION! Risk of Cuts/Abrasions. Wear protective  
gloves and safety glasses during installation. Sheet metal  
edges are sharp.  
A. Things to Consider  
•
•
•
•
Location of chimney air kit inltet (see Figure 5.1 & 7.4)  
Location of outside air kit  
Electrical connections and/or wall switch  
Gas line piping  
B. Position the Fireplace  
•
•
Place the fireplace on a continuous flat surface.  
Follow framing instructions in Section 6.  
1 in. (25 mm)  
overlap  
WARNING! Risk of Fire! Prevent contact with sag-  
ging, loose insulation.  
Metal strips 2 in. (51 mm) under the edges  
of the fireplace and must extend beyond the  
front and side openings by 2 in. (51 mm)  
• DO NOT install against vapor barriers or exposed  
insulation.  
• Secure insulation and vapor barriers.  
• Provide minimum air space clearances at the sides  
and back of the fireplace assembly as outlined in  
Section 6.  
Figure 7.1 Position the Protective Metal Hearth Strips  
Top piece must overlap  
bottom piece  
C. Place Protective Metal Hearth Strips  
WARNING! Risk of Fire! Protective metal hearth strips  
MUST be installed. DO NOT cover metal strips with com-  
bustible materials. Sparks or embers may ignite flooring.  
Raised Platform  
2 in.  
(51 mm)  
1 in. (25 mm) min.  
overlap  
•
•
Refer to Figures 7.1 and 7.2.  
Floor  
Locate the two protective metal hearth strips measuring  
approximately 26 in. x 4 in. (660 mm x 102 mm) included  
with this fireplace.  
2 in.  
(51 mm)  
•
•
•
•
Slide each metal strip 2 in. (51 mm) under front edge of  
fireplace.  
Overlap strips in the middle of fireplace opening by 1 in.  
(25 mm) minimum..  
Metal strips must extend beyond the front and sides of  
the fireplace opening by at least 2 in. (51 mm).  
Protect the front of a platform elevated above the hearth  
extension with metal strips (not included with fireplace)  
per Figure 7.2. See Section 11 for hearth extension  
instructions.  
Figure 7.2 Protect the Front of an Elevated Platform  
D. Level Fireplace  
•
•
•
Level fireplace side-to-side and front-to-back.  
Shim with non-combustible material as necessary.  
Secure fireplace to framing with nailing flanges with a  
minimum of two fasteners per nailing flange.  
Check fireplace opening for square to ensure proper fit  
of glass doors. Measure diagonals of fireplace opening  
to make sure they are equal.  
•
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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3 ft min. from  
top of uppermost  
chimney section  
to air inlet.  
)
)
Figure 7.3 Possible Outside Air Inlet Locations  
NO  
NO  
Garage or  
NO  
Attic space  
Outlet blocked by  
snow, leaves, etc.  
combustible  
liquids storage  
NO  
Outlet placed  
higher than 3 ft  
below the  
termination cap  
YES  
Clear area  
Factory-built  
fireplace  
outside  
house or in  
ventilated  
crawl space  
Use only duct materials specified by manufacturer (preferably  
with short run or mainly straight duct, except small dip for cold  
air trap which will help prevent flow of cold air).  
Figure 7.4 Outside Combustion Air Placement  
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E. Install Outside Air Kit  
•
•
•
Keep duct runs short and straight to minimize restriction.  
A small dip is acceptable for a cold air trap.  
The outside air kit must be installed on the left hand side  
of the fireplace.  
Locate the outside air hood in a clear area, preferably  
into prevailing wind during the heating season. Refer to  
Figure 5.2.  
Install as shown in Figures 7.3 - 7.5.  
The air duct may be run vertically.  
The outside air hood must be at least 3 ft (.91 m) below  
the top of the uppermost chimney section.  
AK17 Installation (BAY-40)  
•
Remove the cover plate from the bottom of the fireplace  
and replace it with outside air plate assembly using  
existing screws.  
•
Mark and cut out a 4 1/2 in. (114 mm) diameter hole in the  
building side for air entry. This hole should allow for some  
framing (two sides) so the outside air hood assembly may  
be nailed into position, flush with building’s outside.  
Secure flexible duct (not supplied) to the plate  
assembly.  
Feed duct through hole to the outside, fasten to the hood  
assembly.  
Fasten outside air hood assembly to the structure with  
screws.  
•
•
•
•
•
•
CAUTION! Risk of Fire or Asphyxiation! DO NOT  
draw outside combustion air from wall, floor or ceiling  
cavity, or enclosed spaces such as an attic or garage.  
• DO NOT place outside air hood close to exhaust  
vents or chimneys. Fumes or odor could be drawn  
into the room through the fireplace.  
• Locate outside air inlet to prevent blockage from  
leaves, snow/ice, or other debris. Blockages could  
cause combustion air starvation.  
Note: To guard against significant cold air infiltration  
through duct or other parts of system, check for light leaks  
with a flashlight and seal these with duct tape and/or  
insulation.  
AK14/AK18 Installation (PIER-40)  
•
•
•
•
The hinge will be toward the front of the fireplace.  
Insert the narrow end of the handle into the upper slot.  
Pivot the handle in the slot toward the hinge.  
Remove the cover plate or knockout from the side of the  
fireplace and discard. Remove the semi-perforated piece  
of insulation covering the opening (insulated fireplaces  
only).  
Partly open the air kit door and insert the handle into the  
appropriate hole in the side column of the fireplace. The  
hinge on the door assembly should be located toward  
the front of the fireplace. If the hinge and the handle are  
not positioned in this manner, the door will not function  
correctly.  
Flexible Duct  
(not supplied)  
Outside Air  
Plate  
Assembly  
Outside Air  
Hood  
•
2 Wire Ties  
• Hearth & Home Technologies Inc recommends using  
UL181 Class 0 or Class I rigid or flexible ducting.  
• Secure flex duct with metal tape, screws or wire ties.  
•
•
•
Attach the door assembly to the fireplace using the  
screws provided.  
Check operation by pulling the handle out to open and  
pushing it in to close.  
Mark and cut out a 4 1/2 in. (114 mm) hole in the building  
side for air entry. This hole should allow some framing  
(two sides) so the 4 in. (102 mm) diameter inlet tube  
assembly may be fastened properly.  
Figure 7.5 Typical Outside Air Installation (BAY-40 will be in-  
stalled from the bottom of the fireplace)  
•
Assemble flexible duct (not supplied) between the door  
assembly and the inlet tube assembly. Secure it in  
position with the supplied wire ties.  
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Chimney Assembly  
8
NOTICE: Chimney performance may vary.  
•
Trees, buildings, roof lines and wind conditions affect  
performance.  
•
Chimney height may need adjustment if smoking or  
overdraft occurs.  
Chimney must extend  
beyond combustible  
roof structure  
Termination Cap  
Additional  
support for  
tall chimneys  
Maintain minimum  
height of chimney  
above roof  
Storm Collar  
Maintain minimum  
clearances to  
combustibles as  
specified  
Install roof flashing  
according to minimum  
requirements  
Support straps for returns  
must be secured to  
adequate framing  
Offsets/returns  
may not exceed  
30° from vertical  
Offsets and returns must  
be secured with the screws  
provided (outer pipe only)  
Lock chimney  
sections together  
firmly to resist  
movement  
Ceiling firestops  
are required where  
chimney passes  
through ceiling or  
floor  
Figure 8.1 Typical Chimney System - Guidelines for Chimney System Installation  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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Determine the chimney components needed to complete  
your particular installation:  
A. Chimney Requirements  
Measure vertical distances from the base of the fireplace  
as shown in Figure 8.2.  
•
Measure the total vertical height of the fireplace  
installation from the base of the fireplace assembly to  
the approximate location of the bottom of the termination  
cap.  
• Minimum overall straight height  
• Minimum height with offset/return  
• Maximum height  
14  
(4.27 m)  
(5.03 m)  
16.5 ft  
90 ft (27.43 m)  
20 ft (6.1 m)  
•
•
Subtract the effective height of the fireplace assembly  
(see Figure 8.2) from the total vertical height to determine  
the overall height of the chimney installation.  
Create a schematic for your application similar to Figure  
8.2 showing components required (referring to Table  
8.1). Figure 8.1 identifies those components and where  
used.  
• Maximum chimney length between an offset  
and return  
• Maximum distance between chimney  
stabilizers  
35 ft (10.67 m)  
• Double offset/return minimum height  
20 ft  
6 ft  
(6.1 m)  
• Maximum unsupported chimney length  
between the offset and return  
(1.83 m)  
•
Install a ceiling firestop whenever the chimney penetrates  
a floor/ceiling.  
• Maximum unsupported chimney height above  
the fireplace  
35 ft (10.67 m)  
6 ft (1.83 m)  
• Maximum unsupported chimney above roof  
NOTICE: A maximum of two pairs of offsets and returns  
may be used.  
WARNING! Risk of Fire! You must maintain 2 in. (51  
mm) air space clearance to insulation and other combus-  
tible materials around the chimney system. Failure to do  
so may cause overheating and fire.  
CAUTION! Risk of Fire and/or Asphyxiation! DO  
NOT connect this fireplace to a chimney flue servicing  
another appliance. DO NOT connect to any air distribu-  
tion duct or system. These actions could cause over-  
heating/fire in the chimney flue, or release of exhaust  
fumes into the living areas.  
Table 8.1  
HEIGHT OF CHIMNEY COMPONENTS  
Chimney Stabilizer  
in.  
mm  
6 ft (1.83 m) max.  
unsupported chimney  
above roof  
SL11  
4-3/4  
121  
Ceiling Firestops  
FS538  
0
0
0
0
FS540  
Offsets/Returns  
SL1130  
18  
457  
20 ft (6.10 m) max.  
pipe between an  
offset & return  
Roof Flashing  
RF570  
0
0
0
0
RF571  
35 ft (10.7 m)  
max. straight  
Chimney Sections*  
Ceiling Firestop  
unsupported  
chimney height  
SL1106  
4-3/4  
10-3/4  
16-3/4  
34-3/4  
46-3/4  
121  
273  
425  
883  
1187  
SL1112  
16.5 ft (4.04 m) min. height/single offset-return  
20 ft. (5.03 m) min. height/double offset-return  
SL1118  
44 in.  
(1118 mm)  
Effective  
Height  
SL1136  
90 ft (27.43 m) max. height  
SL1148  
* Dimensions reflect effective height.  
Figure 8.2 Chimney Requirements  
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B. Using Offsets/Returns  
•
•
Use an offset/return to bypass overhead obstructions.  
An offset and return can be used as a single entity or separated by chimney section(s).  
WARNING! Risk of Fire! DO NOT use offset/returns greater than 30°. Chimney draft will be restricted and could cause  
overheating and fire.  
•
•
•
Measure the shift needed to avoid the overhead obstruction. Refer to dimension A in Figure 8.3.  
Find the appropriate A dimension listed in Table 8.2.  
The B dimension coinciding with the A dimension measurement in Table 8.2 represents the required vertical clearance  
needed to complete the offset/return.  
•
Read across the chart to find the number of chimney sections/model numbers needed between the offset and return.  
Example:  
A
Your “A” dimension from Figure 8.3 is 14 1/2 in. (368  
mm). Using Table 8.2 the dimension closest to, but not  
less than 14 1/2 in. (368 mm) is 15 3/4 in. (400 mm) using  
a 30° offset/return.  
B
You determined from the table that you would need  
36 5/8 in. (930 mm) (Dimension “B”) between the offset  
and return.  
The chimney component that best fits your application is  
two SL1112s.  
1-1/4 in. (32 mm)  
OVERLAP  
Figure 8.3 Chimney Offset/Return  
Table 8.2  
A
B
in.  
mm  
in.  
mm  
454  
SL1106 SL1112 SL1118 SL1136 SL1148  
4 7/8  
124  
184  
248  
260  
324  
337  
400  
460  
476  
552  
565  
629  
705  
718  
781  
857  
933  
1010  
1045  
1162  
1222  
1314  
17 7/8  
22  
-
1
2
-
-
-
-
-
-
-
-
-
7 1/4  
559  
9 3/4  
26 1/8  
27 1/4  
31 3/8  
32 3/8  
36 5/8  
40 3/4  
41 3/4  
47  
664  
-
-
-
-
10 1/4  
12 3/4  
13 1/4  
15 3/4  
18 1/8  
18 3/4  
21 3/4  
22 1/4  
24 3/4  
27 3/4  
28 1/4  
30 3/4  
33 3/4  
36 3/4  
39 3/4  
41 1/8  
45 3/4  
48 1/8  
51 3/4  
692  
1
1
-
-
-
-
797  
1
-
-
-
-
822  
1
-
-
-
930  
-
2
2
1
-
-
-
1035  
1060  
1194  
1219  
1324  
1457  
1483  
1588  
1721  
1854  
1984  
2092  
2248  
2356  
2511  
1
-
-
-
-
1
2
-
-
-
-
-
-
4 8  
-
-
1
1
1
-
-
52 1/8  
57 3/8  
58 3/8  
62 1/2  
67 3/4  
73  
1
-
-
-
-
1
-
-
-
-
-
1
1
1
1
-
1
-
-
-
-
1
-
-
-
-
1
-
-
78 1/8  
82 3/8  
88 1/2  
92 3/4  
98 7/8  
-
-
2
2
1
1
-
1
-
-
-
-
-
-
1
1
2
1
-
-
-
-
-
Proper assembly of air cooled chimney parts results in an overlap of chimney joints  
of 1-1/4 in. (32 mm). Effective length is built into this table.  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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C. Assemble Chimney Sections  
WARNING! Risk of Fire! DO NOT install substitute or  
damaged chimney components.  
•
Use only those components described in this manual.  
Substitute or damaged chimney components could impair  
safe operation and cause overheating and fire.  
•
Support the pipe during construction and check to be  
sure inadvertent loading has not dislodged the chimney  
section from the fireplace or at any chimney joint.  
Attach a straight chimney section or an offset to the top  
of the fireplace.  
Place inner flue to the inside of the chimney section below  
it. Place the outer casing outside the outer casing of the  
chimney section below it. Refer to Figure 8.4.  
•
•
Figure 8.4 Assembling Chimney Sections  
NOTICE: Chimney sections cannot be disassembled  
once locked together. Plan ahead!  
•
Lock chimney sections and/or offsets/returns together by  
pushing downward until the top section meets the stop  
bead on the lower section.  
•
•
Pull on the top section to make sure it is fully engaged  
and will not separate.  
You may use #6 or #8 sheet metal screws no longer than  
1/2 in. (13 mm) to fasten chimney sections together. Do  
NOT penetrate inner flue.  
WARNING! Risk of Fire! You MUST use screws (pro-  
vided) to fasten offset/returns to chimney sections to  
keep the chimney parts from twisting. Failure to do so  
could cause fire.  
•
Fasten offset/returns to chimney sections. Insert the  
screws (provided) through the predrilled holes. Do NOT  
penetrate inner flue.  
•
•
Secure chimney returns with hanger straps provided;  
fasten to studs or joists.  
Vertical straight runs of chimney must be supported every  
35 ft (10.7 m).  
D. Install Chimney Air Kit  
Follow instructions provided with this accessory.  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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E. Install Ceiling Firestops  
ROOM ABOVE (non-insulated ceiling)  
CAUTION! Risk of Fire! Ceiling firestops must be used  
whenever the chimney penetrates a ceiling/floor.  
B
A
•
•
Chase construction requires ceiling firestops at each  
floor or every 10 ft (3.05 m) of clear space.  
The ceiling firestop slows spread of fire and reduces cold  
air infiltration.  
Ceilng firestop from  
bottom  
•
•
•
•
•
Install a ceiling firestop whenever chimney penetrates  
ceiling/floor.  
Mark and cut an opening in ceiling as shown in  
Figure 8.5.  
Frame the opening with the same size lumber used in  
the ceiling joists.  
Nail the ceiling firestop to the bottom of the ceiling joists  
when there is a room above.  
ATTIC ABOVE (insulated ceiling)  
Ceiling firestop from  
top  
Use an attic insulation shield if the ceiling is insulated.  
The ceiling firestop may then be attached above or below  
the joists.  
WARNING! Risk of Fire! DO NOT seal area between  
firestop opening and chimney pipe except where they  
enter the attic or leave the warm air envelope of the  
home (use 600° F sealant).  
Note: Use same dimensional lumber for framing  
ceiling firestop and joists.  
A
B
Catalog #  
FS538  
in.  
17  
17  
mm  
432  
432  
in.  
17  
26  
mm  
432  
660  
FS540  
Figure 8.5 Installing the Ceiling Firestop  
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F. Install Attic Insulation Shield  
Bend remaining tabs  
to rest against pipe to  
prevent insulation  
from falling in.  
WARNING! Risk of Fire! You MUST install an attic insu-  
lation shield when there is any possibility of insulation or  
other combustible material coming into contact with the  
chimney.  
Bend inward  
90°  
•
•
•
DO NOT pack insulation between the chimney and the  
attic insulation shield.  
Failure to keep insulation and other materials away from  
chimney pipe could cause fire.  
Insert three  
screws  
DO NOT offset chimney inside insulation shield.  
Installation of a ceiling firestop is required  
•
•
Refer to Figures 8.6 - 8.8.  
3 in. (76 mm)  
overlap  
Roll the shield (around the chimney if already installed)  
until you have a 3 in. (76 mm) overlap and the three  
holes on each side match up (large holes on top).  
Insert three screws into the matching holes to form a  
tube.  
Bend three tabs on the bottom of the tube inward to 90°  
to maintain chimney air space (refer to Figure 8.6).  
Rest the insulation shield on the ceiling firestop below.  
Bend the three short tabs at the top of the shield inward  
to 90° to maintain the 2 in. (51 mm) air space from the  
chimney.  
Figure 8.6 Prepare Attic Insulation Shield  
•
•
Tabs bent in to  
rest against pipe  
Pipe  
•
•
Attic Insulation Shield  
17 in. (432 mm)  
diameter  
6 Tabs bent  
in 90°  
•
Bend the remaining top tabs to just meet the pipe.  
Ceiling Firestop  
If you wish to make a custom shield or barrier, follow  
these guidelines:  
Pipe  
Insulation  
Insulation  
•
Metal is preferred, although any material stiff enough to  
hold back the insulation can be used.  
13 in.  
(330 mm)  
WARNING! Risk of Fire! Use of cardboard or other  
materials that can deflect under humidity or other envi-  
ronmental conditions is not recommended.  
Figure 8.7 Install Attic Insulation Shield (firestop above ceiling)  
•
The shield or barrier must be tall enough to extend  
above the insulation and prevent blown-in insulation  
from spilling into the cavity.  
Tabs bent in to  
rest against pipe  
•
•
Maintain specified air spaces around chimney.  
Check instructions and local codes for further details.  
Pipe  
Attic Insulation Shield  
17 in. (432 mm)  
diameter  
6 Tabs bent  
in 90°  
Insulation  
Insulation  
13 in.  
(330 mm)  
Ceiling Firestop  
Pipe  
Figure 8.8 Install Attic Insulation Shield (firestop below ceiling)  
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G. Cut out Hole in Roof  
•
•
•
•
Refer to Figure 8.9.  
Plumb from roof to center of chimney.  
Drive a nail up through roof to mark center of pipe.  
Measure to either side of nail and mark the 17 in. x 17  
in. (432 mm x 432 mm) opening required.  
Measure opening on the horizontal; actual length may  
be larger depending on roof pitch.  
•
•
•
Cut out and frame opening.  
Refer to Chapter 25 of the Uniform Building Code for  
roof framing details.  
H. Complete Installation  
WARNING! Risk of Fire! You MUST maintain 2 in.  
(51 mm) air space to insulation and other combustible  
materials around the chimney system. Failure to do so  
could cause overheating and fire.  
•
•
Keep chimney sections from separating or twisting.  
You may secure straight chimney sections at the joints  
with screws no longer than 1/2 in. (13 mm).  
The following steps should be skipped if using a  
chase.  
•
•
Install roof flashing appropriate to roof pitch.  
Install round termination cap and storm collar.  
I. Install Flashing  
•
Assemble chimney so it passes through the framed  
opening.  
Figure 8.9 Ceiling/Attic Construction  
•
Slip the flashing over the chimney.  
NOTICE: Roofing shingles must be below the flashing  
plate on the lower side of a sloped roof and over the  
flashing plate on the sides and top.  
•
•
Nail the flashing to the roof. Keep gaps between the  
flashing plate and the roof to a minimum.  
Caulk the flashing plate and roof junction as well as the  
vertical seam on the flashing. All nail heads must be  
caulked with a roofing sealant.  
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J. Chimney Termination Requirements  
•
•
•
•
Install a cap approved and listed for this fireplace system.  
Locate cap where it will not become plugged by snow or other materials.  
Locate cap away from trees or other structures.  
The bottom of the termination cap must be at least 3 ft (.91 m) above the roof AND at least 2 ft (.61 m) above any portion  
of roof within 10 ft (3.05 m) as shown in Figure 8.10.  
•
The distance required between caps is shown in Figure 8.10.  
Slanted Roofs  
Chimney must extend 2 ft (.6 m)  
above any portion of the roof or  
Chimney must  
extend 3 ft (.9 m)  
above the roof  
adjacent structures within  
10 ft (3 m) of the chimney  
Flat Roofs  
Chimney must extend 2 ft (.6 m)  
above any portion of the roof or  
adjacent structures within  
10 ft (3 m) of the chimney  
Chimney must  
extend 3 ft (.9 m)  
above the roof  
Multiple Chimney Locations  
Gas, Wood or Fuel Oil  
Termination Cap  
A
B
6 in. (minimum) up to 20 in.  
152 mm/508 mm  
18 in. minimum  
457 mm  
B
20 in. and over  
0 in. minimum  
Wood  
Minimum  
(See  
illustration  
above)  
A *  
Gas  
Termination  
Cap **  
*
If using decorative cap cover(s), this distance may need to be  
increased. Refer to the installation instructions supplied with the  
decorative cap cover.  
** In a staggered installation with both gas and wood terminations, the  
wood termination cap must be higher than the gas termination cap.  
Figure 8.10 Multiple Chimney Locations  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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Chase Installations  
9
Gas line holes and other openings should be caulked with  
high temperature caulk or stuffed with unfaced fiberglass  
insulation. If the fireplace is being installed on a cement  
slab, we recommend that in cold climates, a sheet of  
plywood or other raised platform be placed underneath to  
prevent conducting cold up into the room.  
A. Construct the Chase  
A chase is a vertical boxlike structure built to enclose the  
fireplace and/or its vent system. Vertical chimneys that  
run on the outside of a building must be installed inside a  
chase.  
Construction of the chase may vary with the type of build-  
ing. These instructions are not substitutes for the require-  
ments of local building codes. Local building codes MUST  
be checked.  
Three examples of chase applications are shown in Fig-  
ure 9.2.  
1. Chimney offset through exterior wall and  
enclosed in chase.  
2. Chase constructed on roof.  
A chase should be constructed in the manner of all  
outside walls of the home to prevent cold air drafting  
problems. The chase should not break the outside build-  
ing envelope in any manner. All outer walls need to be  
insulated.  
Building codes require false ceiling and ceiling firestops  
at each floor of the chase or every 10 ft (3.05 m) of clear  
space to control spread of fire.  
Walls, ceiling, base plate and cantilever floor at the first  
level of the chase should be insulated. See Figure 9.1.  
Vapor and air infiltration barriers should be installed in the  
chase as per regional codes for the rest of the home. Ad-  
ditionally, Hearth & Home Technologies recommends that  
the inside surfaces be sheet rocked and taped (or the use  
of an equivalent method) for maximum air tightness.  
2
1
Round Termination Cap  
Metal Chase Top  
Figure 9.2 Chase Constructions  
Ceiling  
Firestop  
WARNING! You must install false ceilings and ceiling  
firestops at each floor of the chase or every 10 ft (3.05 m)  
to control spread of fire.  
WARNING! Risk of Fire! DO NOT seal area between fire  
stop opening and chimney pipe. Restricting air flow around  
chimney may cause fire.  
WARNING! Risk of Fire! You must maintain a minimum  
2 in. (51 mm) air space clearance to insulation and other  
materials surrounding the chimney system.  
False Ceiling  
Attic  
Insulation  
Tabs  
Shield  
•
•
Insulation and other materials must be firmly secured to  
prevent accidental contact with chimney system.  
The chase must be properly blocked to prevent blown  
insulation or other combustibles from entering and  
making contact with fireplace or chimney.  
Failure to prevent contact between insulation or other  
materials and chimney system may cause overheating  
and fire.  
Ceiling  
Firestop  
Insulation in the  
outside walls  
of the chase  
Insulation  
Insulation  
False Ceiling  
Chimney  
False Ceiling  
•
Figure 9.1 Chase Assembly  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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B. Install Fireplace & Chimney  
Install as per Sections 7 and 8.  
C. Install Chase Top  
2 in. (51 mm) Collar  
on Chase Top  
Slope Downward  
(1/4 in. per foot  
minimum)  
•
You MUST use a chase top in a chase installation. Chase  
tops are available from your Heat & Glo dealer or may  
be field constructed.  
•
•
Include a turndown and drip edge to prevent water from  
seeping into the chase.  
Turn-down  
Drip Edge  
Include a 2 in. (51 mm) soldered, caulked or spun collar  
around pipe opening to keep water out.  
Provide a 1/8 in. (3 mm) gap around the flue pipe.  
Slope the chase top downward away from the  
opening.  
Chase  
•
•
.018 (26 ga) min.  
Galvanized  
Chase Top  
CAUTION! DO NOT caulk the pipe to the chase top  
collar.  
•
•
Caulk all seams to prevent leaks.  
Refer to Figure 9.4.  
Figure 9.3 Chase Top Construction  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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•
TR11T Round Telescoping Termination Cap  
D. Install Termination Cap  
Install the chimney sections up through the chase enclo-  
sure.  
Assemble  
Termination  
storm collar  
Cap  
around extended  
•
Refer to termination cap instructions.  
termination cap  
pipe  
once cap is  
installed.  
WARNING! Risk of Fire! The minimum overlap of cap  
to pipe (as shown in the following illustrations) MUST  
be met or chimney may separate from cap. Separation  
allows sparks, heat and embers to escape.  
Do NOT  
block air  
holes  
Caulk gaps between  
storm collar & pipe,  
and storm collar  
& chase top.  
Storm  
Collar  
3 clip brackets.  
Slip over chase collar  
and attach with screws  
provided.  
NOTICE: Paint the termination cap with a rust-resistant  
paint to protect against the effects of corrosion on those  
parts exposed to the weather.  
Collar  
2 in. (51 mm)  
Minimum Height  
•
TR11 Round Termination Cap  
14 1/2 in. (368 mm)  
Maximum  
Termination  
Cap  
Chase Top  
Slip  
storm collar  
around chimney pipe  
before termination  
cap pipe is snapped  
into the chimney  
pipe.  
Chase  
Do NOT  
block air holes  
Chimney  
Pipe  
6 in. (153 mm)  
Minimum top of  
chase to top of  
chimney pipe  
Caulk gaps between  
storm collar & pipe,  
and storm collar  
& chase top.  
Storm  
Collar  
Termination cap pipe and chimney section must overlap 1-1/2 in. (38 mm)  
Figure 9.5 Installing a TR11T Round Telescoping Termination  
Cap  
Collar  
2 in. (51 mm)  
Minimum Height  
Chimney  
Pipe  
Chase Top  
•
ST1175 Square Termination Cap  
Place waterproof  
caulk or sealer under  
each flange of the  
termination cap and  
on top of each screw  
to help prevent leaks.  
Chase  
Flange  
The last section of pipe  
must stop between 2 in. (51  
mm) above the top of the  
chase and 4 3/4 in. (121  
mm) below the top of the  
chase.  
Termination Cap  
Termination cap pipe and chimney section must be snapped  
together to maintain an overlap of 1-1/2 in. (38 mm).  
Collar  
2 in. (51 mm)  
Minimum Height  
Figure 9.4 Installing a TR11 Round Termination Cap  
Chase Top  
2 in. (51 mm)  
maximum  
4 3/4 in. (121 mm)  
maximum  
Chase  
Chimney  
Pipe  
Termination cap pipe and chimney section must overlap 1-1/2 in. (38 mm)  
Figure 9.6 Installing an ST1175 Square Termination Cap  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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•
TCT1175 Terra Cotta Cap  
Place waterproof sealer  
under each flange of the  
termination cap and on  
top of each screw to  
help prevent leaks.  
Remove 2 screws  
from front & back  
to lift the top off  
Termination Cap  
The last section of pipe  
must stop between 2 in.  
(51 mm) above top of  
chase and 7 in. (178 mm)  
below top of chase  
Collar  
2 in. (51 mm)  
Minimum Height  
Chase Top  
2 in. (51 mm)  
7 in. (178 mm)  
Chase  
Chimney  
Pipe  
Termination cap pipe and chimney section must overlap  
1-1/2 in. (38 mm)  
Figure 9.7 Installing a TCT1175 Terra Cotta Cap  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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Shrouds  
10  
A. Radiation Shield  
Ø 17 1/2 in. (444.5 mm) Round Hole to fit over cap  
•
Some shrouds require a radiation shield. Use where  
specified.  
•
Radiation shield must be constructed of minimum 26 ga  
sheet metal.  
3 in. (76 mm) tall legs  
B. Field Constructed Shrouds  
WARNING! Risk of Fire! Shrouds must be constructed  
as specified. Improper construction may overheat chase  
top.  
Length x Width to fit inside shroud  
Figure 10.1 Radiation Shield  
•
Chase top shrouds may be field constructed where  
permitted by regional building codes.  
NOTICE: Some regional codes require an agency-Listed  
shroud. Consult your local building officials.  
•
•
Hearth & Home Technologies Inc. supplies UL listed  
shrouds. See your dealer for details.  
The following field constructed shroud designs have  
been tested for Hearth Technologies fireplace systems  
and termination caps.  
•
The wire mesh is optional but recommended and must  
be .018 in. thick minimum, 1/2 in. mesh.  
•
The shrouds must be constructed from a minimum .018  
in. (26 ga) thick aluminized steel.  
Open Top Shroud (TR11/TR11T caps require radiation shield)  
Min.  
Top Dim.  
Min.  
Top Dim.  
Min. Opening  
Width  
3 in (76 mm)  
minimum  
Min. Opening  
Width  
Min.  
Base Dim.  
TR11/11T  
TR11/11T TV  
Min.  
Base Dim.  
Min. Base Dims.  
32 x 32  
in  
26 x 26  
mm  
813 x 813  
660 x 660  
Radiation Shield  
Required  
Min. Top Dims.  
29 x 29  
in  
23 x 23  
mm  
737 x 737  
584 x 584  
Min. Opening Width  
26 x 26  
in  
20 x 20  
mm  
660 x 660  
508 x 508  
Figure 10.2 Open Top Shroud Dimensions  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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Mailbox Style Shroud (radiation shield required)  
3 in. (76 mm)  
Min. Opening Height  
Min. Height  
above radiation  
shield  
Min. Base Dim  
Min.  
Base Dim  
TR11/11T  
TR11/11T TV  
Min. Opening Width  
Min. Base Dims.  
3 in. (76 mm) Min.  
Radiation Shield Height  
from top of Chase  
in  
34 x 34  
28 x 30  
711 x 762  
mm  
864 x 864  
Min. Height Above Radiation Shield  
in  
21-1/4  
540  
20-1/2  
521  
mm  
Min. Opening Width  
in  
28 x 28  
22 x 24  
559 x 610  
mm  
711 x 711  
Figure 10.3 Mailbox Style Shroud Dimensions  
Roofed Style Shroud (radiation shield required)  
Minimum  
Height above  
Radiation Shield  
Minimum  
Opening  
Height  
TR11/11T  
TR11/11T TV  
Termination  
Min. Base Dims.  
Cap  
in  
mm  
34 x 34  
34 x 34  
864 x 864  
3 in. (76 mm)  
Radiation  
Shield Height  
Minimum  
Base Dimension  
864 x 864  
Min. Height Above Radiation Shield  
in  
16  
16  
Min. Opening Width  
mm  
406  
406  
Min. Opening Width  
in  
28  
28  
711  
mm  
711  
Min. Opening Height  
in  
12  
12  
305  
mm  
305  
Figure 10.4 Roofed Style Shroud Dimensions  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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Finishing  
11  
A. Non-Combustible Materials  
C. Hearth Extension  
•
Materials which will not ignite and burn, composed of  
any combination of the following:  
WARNING! Risk of fire! High temperatures, sparks,  
embers or other burning material falling from the fireplace  
may ignite flooring or concealed combustible surfaces.  
-
-
-
-
Steel  
Brick  
Concrete  
Glass  
- Iron  
- Tile  
- Slate  
- Plasters  
•
•
Protective metal hearth strips MUST be installed.  
Hearth extensions MUST be installed exactly as  
specified.  
•
Materials reported as passing ASTM E 136, Standard  
Test Method for Behavior of Metals, in a Vertical Tube  
Furnace at 750° C  
•
•
You MUST use a hearth extension with this fireplace.  
This fireplace has been tested and approved for use with  
a hearth extension insulated to a minimum R value of  
1.03.  
B. Combustible Materials  
•
•
•
The hearth extension material MUST be covered with  
tile, stone or other non-combustible material.  
Manufactured hearth materials will usually have a  
published R value (resistance to heat) or k value  
(conductivity of heat). Refer to the formula in Table 11.1  
to convert a k value to an R value,  
Materials made of or surfaced with any of the following  
materials:  
-
-
Wood  
- Compressed paper  
Plant fibers - Plastic  
•
Any material that can ignite and burn; flame proofed or  
not, plastered or un-plastered  
•
Refer to Table 11.2 for hearth extension insulation  
alternatives.  
Table 11.1  
R = 1/k x inches of thickness  
Table 11.2  
Hearth Extension Insulation Alternatives-Total minimum R Value must equal 1.03  
Minimum  
k per inch  
thick  
r per inch  
thick  
thickness  
required  
Material  
Hearth & Home HX3, HX4 (Micore 300™)  
USG Micore 160™  
0.49  
0.39  
1.92  
5.0  
2.06  
2.54  
0.52  
0.20  
0.20  
0.08  
2.18  
1/2 in.  
1/2 in.  
USG Durock™ Cement Board  
Cement Mortor  
2 in.  
5-1/8 in.  
5-1/8 in.  
12-1/4 in.  
1/2 in.  
Common Brick  
5.0  
Ceramic Tile  
12.50  
0.46  
Armstrong™ Privacy Guard Plus  
Marble  
14.3-20.0  
0.07-0.05 14-5/8 in. - 20-3/8 in.  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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12 in. (305 mm)  
from opening of  
fireplace  
62 in.  
(1575 mm)  
72 in.  
(1829 mm)  
16 in.  
(406 mm)  
16 in.  
(406 mm)  
56 in.  
(1422 mm)  
40-1/2 in.  
(1029 mm)  
26 in.  
6 in.  
(152 mm)  
(660 mm)  
to front of  
fireplace  
opening  
HEARTH  
EXTENSION  
(shaded)  
HEARTH  
EXTENSION  
(shaded)  
64 in.  
(1626 mm)  
64 in.  
(1626 mm)  
BAY-40  
PIER-40  
Continuous,  
non-combustible sealant  
1/2 in. Micore  
Hearth Ext  
or equivalent  
insulation  
Tile, stone or other  
non-combustible material  
Protective  
Metal Hearth  
Strip  
(see Table 11.2)  
2 in. (51 mm)  
required  
Floor constructed of wood or  
other combustible material  
Figure 11.1 Hearth Extension Dimensions  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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D. Finishing Material  
Refer to Sections 11.A. and Sections 11.B. for combus-  
tible/non-combustible materials. Refer to Figure 11.2 for  
non-combustible zone.  
The metal surfaces of the fireplace  
may be covered with non-combustible  
materials only.  
WARNING! Risk of Fire! You must maintain clearances.  
•
Use only non-combustible framing material below  
standoffs.  
•
Sheetrock, wood or other combustibles must NOT be  
used as sheathing or facing in the non-combustible  
zone.  
•
•
DO NOT cover metal fireplace front with combustible  
materials.  
Install combustible materials only to specified clearances  
on top front and side edges.  
•
•
Complete framing and apply facing material (drywall)  
over framing.  
A bead of 300-deg F minimum non-combustible sealant  
must be used to close off any gaps at the top and sides  
between the fireplace and facing to prevent cold air  
leaks.  
•
•
Large gaps can be bridged with fiberglass rope  
gasket.  
Only non-combustible materials may be used to cover  
the metal fireplace front.  
Do not cover grills.  
Figure 11.2 Non-combustible Materials Zone  
Finished combustible wall  
Flat 2 x 4 stud wall  
2 x 4 header, flush with  
front of stand-offs  
Combustible material  
Non-combustible  
decorative facing  
(up to full brick depth)  
Continuous,  
non-combustible sealant  
Hearth  
Refractory  
Tile, stone or other  
non-combustible material  
1/2 in. Micore  
or equivilent  
insulation  
Metal strips are placed 2 in. (51 mm)  
under the front of the fireplace and must  
extend beyond the front and sides of  
fireplace opening by 2 in. (51 mm)  
Floor constructed of wood or  
other combustible material  
Figure 11.3 Decorative Facing  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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E. Combustible Mantel  
•
Refer to shaded areas of Figure  
11.4 for locations and dimensions  
of a combustible mantel.  
7 ft (2134 mm)  
minimum  
base of fireplace  
to ceiling  
•
A combustible mantel may be  
positioned no lower than 14 1/4 in.  
(362 mm) above the top of the  
fireplace opening.  
Combustible  
Decorative Facing  
•
•
A combustible mantel may have  
a maximum depth of 12 in. (305  
mm).  
Combustible trim and materials  
cannot be placed within 6 in.  
(152mm) of the fireplace opening  
(top or sides).  
Combustible Wall  
2 x 4 stud wall  
Standoffs  
Grid represents 1 in. squares  
•
Combustible materials projecting  
more than 1 1/2 in. (38 mm) shall  
not be placed within 12 in. (305  
mm) from the top of the fireplace  
opening.  
12 in./305 mm  
Mantel  
14 1/4 in./362 mm  
minimum  
Non-combustible  
Decorative Facing  
such as: Steel, iron,  
brick, tile, concrete,  
slate, tile, plasters  
•
•
Combustible trim must not cover the  
metal surfaces of the fireplace.  
Mantel clearance is in accordance  
with Section 7-3.3.3 of ANSI/  
NFPA211.  
12 in./305 mm  
minimum  
1 1/2 in./38 mm  
maximum  
6 in./152 mm  
minimum  
Seal joint with  
non-combustible  
sealant  
Measured from top of fireplace opening  
Figure 11.4 Clearances to Mantels or other Combustibles above Fireplace  
F. Sidewalls/Surrounds  
•
•
Adjacent combustible sidewalls must be located a minimum of 12 in. (305 mm) from the fireplace opening.  
Combustible or non-combustible mantel legs, surrounds and stub walls may be constructed per Figure 11.5.  
4 in.  
[102 mm]  
11.92 in.  
[303 mm]  
36 in.  
[914 mm]  
(fireplace opening)  
36 in.  
[914 mm]  
(fireplace opening  
9 3/4 in.  
[248 mm]  
40 in.  
[1016 mm]  
40 in.  
[1016 mm]  
FLUSH  
FRONT  
BRICK  
FRONT  
12 in.  
12 in.  
[305 mm]  
[305 mm]  
Figure 11.5 Mantel Leg or Wall Projections (acceptable on both sides of opening)  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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Accessories  
12  
A. Gas Log/Lighter Provision  
B. Wood Burning Inserts  
WARNING! Risk of Fire! Improper installation of wood in-  
serts may cause fireplace or chimney system to overheat.  
WARNING! Fire and/or Asphyxiation Risk! Use with  
solid wood fuel or decorative gas appliance only. Gas fire  
generates fumes.  
If a wood burning insert is being installed in this fireplace,  
Hearth & Home Technologies recommends full reline of  
the chimney.  
•
•
DO NOT install unvented gas logs  
Damper must be locked fully open when gas logs are  
installed  
•
Cooling air openings at the top of the chimney must not  
be obstructed in any manner.  
A certified gas log lighter or decorative gas log set can be  
installed in this fireplace.  
•
Hearth & Home Technologies recommends securing the  
reline at the top of the flue and using the cap certified for  
use with this fireplace system.  
•
•
Maximum input is 100,000 BTU/hr.  
Decorative gas appliance must be certified to ANSI  
Z21.60 “Standard for Decorative Gas Appliances for  
Installation in Vented Fireplaces”.  
•
Must be installed in accordance with the National Fuel  
Gas Code, ANSI Z223.1.  
•
•
A gas log set must incorporate a gas shutoff.  
Gas Log set requires the damper to be locked fully  
open.  
•
A listed automatic damper system with safety interlock  
may be used in this fireplace with only compatible,  
listed gas log sets. See damper system manufacturer’s  
insturctions.  
•
•
Knockouts are provided on both sides of the fireplace  
and in refractories for 1/2 in. (13 mm) iron pipe.  
Seal refractory around pipe with fireplace mortar or a  
non-combustible sealant.  
Outer shell  
of fireplace  
Firebox  
Maintain air clearance  
to combustibles.  
Refractory  
Combustible  
Seal with  
materials  
fireplace mortar  
or non-combust-  
ible sealant  
1 1/2 in. (38 mm)  
air space around  
pipe  
Gas line  
Gas line  
Combustible materials  
may be located at zero  
clearance to gas line  
beyond 4 in. (102 mm)  
from fireplace side.  
Repack  
insulation  
knockout  
4 in.  
(102 mm)  
Figure 12.1 Gas Line Installation  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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Reference Materials  
13  
A. Fireplace Dimensions  
20"  
471/8"  
42"  
42"  
½"  
22½"  
5¾"  
24"  
22½"  
5¾"  
11"  
12"  
36"  
40"  
36"  
40"  
TOP VIEW - BOTH MODELS  
175/8"  
FRONT VIEW - BAY-40  
FRONT VIEW - PIER-40  
5¼"  
12"  
GAS  
KNOCKOUT  
44"  
471/8"  
8¾"  
OUTSIDE AIR  
COVER PLATE  
3"  
40"  
8¼"  
12"  
GAS  
KNOCKOUT  
9½"  
53/8"  
24"  
7"  
END VIEW - BAY-40  
BOTTOM VIEW  
BAY-40  
END VIEW - PIER-40  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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B. Optional Components  
52 in.  
(1321 mm)  
16 in.  
(406 mm)  
HX3 Hearth Extension  
1/2 in.  
DM1036 Bi-fold Glass Doors  
(13 mm)  
66 in.  
(1676 mm)  
20 in.  
(508 mm)  
HX4 Hearth Extension  
1/2 in.  
(13 mm)  
See your Heat & Glo dealer for a complete listing of optional components.  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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C. Chimney Components  
The following pictures show only those chimney components  
which may be safely used with this fireplace.  
14 in.  
(356 mm)  
14 in.  
(356 mm)  
Catalog #  
CAK5A  
ID4  
Description  
5-1/4 in.  
(133 mm)  
Chimney Air Kit  
4 in. (102 mm)  
Insulated Duct/Outside Air  
13 in.  
UD4  
Uninsulated Duct/Outside Air  
Chimney Section - 6 in. (152 mm) long  
Chimney Section - 12 in. (305 mm) long  
Chimney Section - 18 in. (457 mm) long  
Chimney Section - 36 in. (914 mm) long  
Chimney Section - 48 in. (1219 mm) long  
Chimney Stabilizer  
(330 mm)  
SL1106  
SL1112  
SL1118  
SL1136  
SL1148  
SL11  
CAK5A Chimney Air Kit  
ID4 Insulated Duct  
4 in. (102 mm) i  
42 in.  
(1067 mm)  
SL1130  
FS538  
FS540  
AS10  
Chimney Offset/Return - 30 deg  
Ceiling Firestop - Straight  
Ceiling Firestop - 30 deg  
UD4 Uninsulated Duct  
4 in. (102 mm) i  
SL1100 Straight Attic Insulation Shield, 24 in. (610 mm)  
Chimney Joint Band  
JB577  
CB576  
RF570  
RF571  
TR11  
Chimney Bracket  
42 in.  
(1067 mm)  
Roof Flashing - Flat to 6/12 Pitch  
Roof Flashing - 6/12 to 12/12 Pitch  
Round Termination Cap  
A
TR11T  
TCT1175  
ST1175  
CT56  
Round Telescoping Termination Cap  
Terra Cotta Termination Cap  
Square Termination Cap  
13 in.  
(330 mm)  
11 in.  
(279 mm)  
Chase Top  
DTO134  
DTO146  
DTS134  
Short Octagon Decorative Cap  
Tall Octagon Decorative Cap  
Short Square Decorative Cap  
B
Chimney Sections  
DTS146  
LDS33  
Tall Square Decorative Cap  
A
B
Catalog #  
in  
6
mm  
152  
in  
mm  
121  
273  
425  
883  
1187  
Decorative Shroud - 3 ft x 3 ft (.91 m x .91 m)  
SL1106  
SL1112  
SL1118  
SL1136  
SL1148  
4-3/4  
LDS46  
Decorative Shroud - 4 ft x 6 ft (1.22 m x 1.83 m)  
12  
18  
36  
48  
305  
10-3/4  
16-3/4  
34-3/4  
46-3/4  
LDS-BV  
Decorative Shroud - 26 in. x 26 in. (660 mm x 660 mm)  
457  
Field Constructed Shrouds (See “Woodburning  
Termination Cap”)  
914  
1219  
CT-11A  
Adapter - May be used with the following Copper Caps  
CT-Series  
A = Actual Length  
B = Effective Length (length of  
chimney part after it has  
DT-Series  
been snapped to another)  
Inside  
Diameter  
11 in.  
20-3/4 in.  
(527 mm)  
(279 mm)  
Outside Diameter  
13 in.  
(330 mm)  
SL11 Vent Stabilizer  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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Inside  
Diameter  
11 in.  
A
(279 mm)  
B
17 in. (432 mm)  
21 in.  
(533 mm)  
Outside  
Diameter  
13 in.  
Catalog #  
A
B
(330 mm)  
FS538  
FS540  
0-deg.  
30-deg.  
17 in.  
26 in.  
432 mm  
660 mm  
SL1130 Offset/Return  
15-1/4 in.  
(387 mm)  
Assembled  
Diameter: 17 in./432 mm  
Height: 24 in./610 mm  
25-1/4 in.  
(641 mm)  
29 in.  
(737 mm)  
RF570 Roof Flashing  
AS10 Straight Attic Insulation Shield  
15-1/4in.  
(387 mm)  
13 in.  
(330 mm)  
2 in.  
(51 mm)  
JB577 Chimney Joint Band  
28 in.  
(711 mm)  
39-7/8 in.  
(1013 mm)  
RF571 Roof Flashing  
13 in.  
(330 mm)  
TR-TVK  
TR Top Vent Kit  
CB576 Chimney Joint Band  
10 3/4 in.  
15-3/4 in.  
(400 mm)  
26 in.  
TR11 - Round Termination Cap  
CT-11A  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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C
D
32-3/8 in.  
(822 mm)  
B
34-3/8 in.  
(873 mm)  
A
LDS33/LDS46 Decorative Shroud  
A
B
C
D
Catalog # in. mm in. mm in. mm in. mm  
LDS33  
LDS46  
36  
914  
36  
914 8.5 216  
11  
11  
279  
279  
48 1219 72 1829 8.5 216  
TR11T - Round Telescoping Termination Cap  
E
23 in.  
(584 mm)  
D
19 in.  
C
B
(483 mm)  
A
15-5/8 in.  
(397 mm)  
LDS-BV Decorative Shroud  
Catalog #  
A
26  
B
C
E
E
in.  
12.5  
318  
15.5  
394  
22  
23  
LDS-BV  
mm  
660  
533  
584  
ST1175/ - Square Termination Cap  
B
B
20 in.  
(508 mm)  
17 in.  
(432 mm)  
9-3/8 in.  
(238 mm)  
A
A
10-1/4 in.  
(260 mm)  
TCT1175 - Terra Cotta Cap  
C
C
DTO134 / DTO146  
Decorative Caps  
DTS134 /DTS146  
72 in.  
36 in.  
(1829 mm)  
(914 mm)  
DTO134  
in  
A
B
C
13-3/8 in.  
(340 mm)  
34  
20  
24  
mm  
864  
508  
610  
DTO146  
in  
46  
22.7  
576  
26  
mm  
1168  
660  
DTS134  
in  
34  
21.18  
538  
24  
2 in.  
mm  
864  
610  
(51 mm)  
DTS146  
in  
46  
21.18  
538  
26  
CT56 Chase Top  
mm  
1168  
660  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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BAY-40  
Beginning Manufacturing Date: Feb 2004  
Ending Manufacturing Date: Active  
D. Service Parts  
Service Parts Diagram  
Multi-Sided Woodburning Fireplace  
2
3
1
14  
4
5
13  
12  
6
8
7
10  
9
11  
Part number list on following page.  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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D. Service Parts (continued)  
BAY-40  
Beginning Manufacturing Date: Feb 2004  
Service Parts List  
Ending Manufacturing Date: Active  
Multi-Sided Woodburning Fireplace  
IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement  
parts for your appliance please provide model number and serial number. All parts listed  
in this manual may be ordered from an authorized dealer.  
Stocked  
at Depot  
ITEM  
DESCRIPTION  
Comments  
PART NUMBER  
34515  
1
Damper Assembly  
Damper Control  
Damper Weight  
13229  
19785A  
22072B  
11864i  
2
3
Starter Section Assembly  
Top Standoff  
Y
Y
Qty. 4 req  
Qty. 2 req  
Qty. 4 req  
4
End Retainer Assembly  
Grate Retainer (for End Retainer Assembly)  
Left Side Ashlip  
13829A  
13294B  
13827A  
4012-108  
GR3  
5
6
7
Front Door Support  
Grate  
8
9
Hearth Refractory  
Front Ashlip  
13213A  
13214A  
27856  
10  
11  
12  
13  
14  
Back Refractory  
Qty. 2 req  
Qty. 2 req  
Side Door Support  
Right Side Ashlip  
Side Refractory  
23954  
13828A  
27857  
Air Kit  
AK17  
Plate Assembly  
19081A  
31168  
Air Kit Installation Instructions  
Outside Air Shield  
Door Track (for bottom)  
Door Track (for top)  
Fastener Pack  
33271  
4012-002  
15425  
Y
4025-023  
12267  
Qty. 2 req  
Firescreen Assembly  
Screen Handle  
Y
Y
10002  
Qty. 2 req  
Qty. 2 req  
Qty. 4 req  
Firescreen Rod  
11866B  
13834B  
12692  
Grate Retainer  
Nailing Flange  
Outside Air Door Assembly  
Refractory Bracket  
Side Refractory Bracket  
Strip Protector  
13268A  
13896B  
13831C  
18320  
Qty. 2 req  
Qty. 2 req  
Qty. 4 req  
Touch Up Paint  
TUP-GBK-12  
BAY-40 Installation Instructions and Owner's Manual  
34977  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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Service Parts  
PIER-40  
Beginning Manufacturing Date: June 1997  
Ending Manufacturing Date: Active  
Multi-Sided  
Woodburning Fireplace  
1
2
3
4
14  
13  
12  
5
6
11  
7
8
10  
9
Part number list on following page.  
07/12  
Part number list on following page.  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
50  
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D. Service Parts (continued)  
PIER-40  
Beginning Manufacturing Date: June 1997  
Ending Manufacturing Date: Active  
Service Parts List  
Multi-Sided Woodburning Fireplace  
IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement  
parts for your appliance please provide model number and serial number. All parts listed  
in this manual may be ordered from an authorized dealer.  
Stocked  
at Depot  
ITEM  
DESCRIPTION  
COMMENTS  
PART NUMBER  
34515  
1
Damper Assembly  
Damper Control  
Damper Weight  
13229  
19785A  
22072B  
11864i  
2
3
Starter Section Assembly  
Top Standoff  
Y
Qty 4 req  
4
Back Refractory  
27068  
5
Side Refractory  
Qty 2 req  
Qty 2 req  
Qty 2 req  
Qty 2 req  
27067  
6
Door Track (for bottom of opening)  
Door Support  
15425  
7
4012-108  
13214A  
13321B  
GR3  
8
Front Ashlip  
9
Hearth Refractory  
Grate  
10  
11  
12  
13  
14  
Y
End Door Support  
End Ashlip  
23954  
13215A  
13237B  
13294B  
End Retainer Assembly  
Grate Retainer (for End Retainer Assembly)  
Qty 2 req  
Door Track (for top of opening)  
Firescreen Assembly  
Firescreen Handle  
Firescreen Rod  
Qty 2 req  
Qty 4 req  
1 ea.  
4012-002  
12267  
10002  
11866B  
12692  
AK14  
Y
Y
Qty 4 req  
Qty 4 req  
Nailing Flange  
Outside Air Kit  
Fastener Pack  
13580  
33271  
35145  
17333  
11847  
13327D  
13328  
18320  
Outside Air Shield  
AK14 Installation Instructions  
Outside Air Handle  
Refractory Retainer  
Refractory Standoff  
Side Refractory Bracket  
Strip Protectors  
Y
Qty 2 req  
Qty 2 req  
Installation Instructions & Owner's Manual  
34977  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
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E. Contact Information  
Please contact your Heat & Glo dealer with any questions or concerns.  
For the number of your nearest Heat & Glo dealer, please visit www.heatnglo.com.  
– NOTES –  
CAUTION  
DO NOT DISCARD THIS MANUAL  
•
Read, understand  
and follow these  
instructions for safe  
installation and  
operation.  
•
Leave this manual with  
party responsible for  
use and operation.  
•
Important operating  
and maintenance  
instructions included.  
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12  
52  
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