Heatilator BIR36-B User manual
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23 1
WOODBURNING FIREPLACE
Fire Risk.
WARNING
For use with solid wood fuel only.
Model(s):
Installation Manual
Installation and Fireplace Setup
WARNING
HOT SURFACES!
Hot glass will cause burns.
• DO NOT
materials.
materials away.
INSTALLER: Leave this manual with party responsible for use and operation.
OWNER: Retain this manual for future reference.
BIR36-B
NOTICE: DO NOT discard this manual!
• DO NOT-
• DO NOT
warranty.
-
WARNING: If the information in these
or explosion may result causing property
damage, personal injury, or death.
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/232
Safety Alert Key:
• DANGER! will result in death or serious injury.
• WARNING! result in death or serious injury.
• CAUTION!
• NOTICE:
Table of Contents
2 Getting Started
3 Framing and Clearances
4 Chimney and Termination Requirements
5 Chimney Installation
6 Shrouds
7 Finishing
8 Fireplace Setup
9 Reference Materials
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
Customer:
Lot/Address
Model (circle one):
Fireplace Install YES IF NO, WHY?
Chimne
y
Shrouds Section 6 (Pg. 26)
Finishing Section 7 (Pg. 28)
WARNING! Risk of Fire or Explosion! Failure to install fireplace acording to these instructions can lead to a fire or
explosion.
Firestops installed.
ATTENTION INSTALLER:
Follow this Standard Work Checklist
his installation
manual.
Date Installed:
Location of Fireplace:
Installer:
Dealer/Distributor Phone #
Serial #:
-
Fireplace Setup Section 8 (Pg. 35)
Optional doors properly installed.
Grate is properly installed.
Comments:
materials not installed in non
-
areas
.
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
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 other than as instructed by Hearth & Home
Technologies
• operate the fireplace without fully assembling all
components
• 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
installer, service agency or your dealer.
B. Non-Combustible Materials
- Steel - Iron
- Glass - Plasters
ASTM E 136, Standard
Test Method for Behavior of Metals, in a Vertical Tube
Furnace at 750° C
C. Combustible Materials
1
1
WARNING: This product and the fuels
used to operate this product (wood and
wood pellets), and the products of com-
bustion of such fuels, can expose you to
chemicals including carbon black, which is
known to the State of California to cause
cancer and carbon monoxide, which is
known to the State of California to cause
birth defects or other reproductive harm.
For more information go to: www.P65Warn-
ings.ca.gov.
-
-
-
-
-
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
2
2 Getting Started
A. Typical Fireplace System
Figure 2.1 Typical Fireplace System
Non-combustible
roof flashing maintains
minimum clearance
around chimney
Additional lateral
support for chimney
above roof (or enclosed
in chase) if needed
Ceiling firestop
on floor of attic
Support straps
on rafter supports
chimney (not shown)
Termination cap
Chimney penetrates roof
preferably without affecting
roof rafters
Offset/Return (with hanger straps)
Framing headed off
in ceiling joists
Enclosed space above
and around fireplace
Mantel and surround
Decorative facing
and trim
Hearth extension
Factory-built fireplace
Protective metal
hearth strip(s)
Combustible
framing/header
on top of
V-shaped
standoffs
(spacers)
Chimney system
Attic insulation shield must
be used here to keep insulation away
from chimney if attic is insulated
Storm Collar
Outside Air
(both sides)
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
Figure 2.2 Fireplace Locations
NOTICE:
are FOR DESIGN PURPOSES ONLY.
• Illustrations/diagrams are not drawn to scale.
• Actual installation/appearance may vary due to individual
design preference.
• Hearth & Home Technologies reserves the right to alter
its products.
NOTICE: In addition to these framing dimensions, also
reference the following section:
• Clearances (Section 3).
NOTICE:
A minimum 1-1/2 in. air clearance at the back and
a minimum 1-1/2 in. air clearance to the sides of
Chimney sections at any level require a 2 in. mini-
mum air space clearance between the framing
and chimney sections.
B. Design and Installation Considerations
NOTICE: Check building codes prior to installation.
• Before installing
1. Selecting Fireplace Locations
A*
F
D
BC
1/2 in. (13 mm) all
configurations
1-1/2 in. min. air space
from fireplace to
combustible materials.
1/2 in. min. air space at
nailing flanges.
Note:
In an exterior chase
or projecting into a
garage
Across a
corner
As a
room
divider Along a wall
78 in.
(1981 mm)
G
B
E
48 in.
(1219 mm)
MINIMUM
24 in. (610 mm)
from fireplace opening to
any perpendicular wall
A
B
G
G
B
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Model # A B C D E F G
in. 72 47 7/8 89 1/8 44 5/8 20 3/8 63 1/8 28 1/2
mm 1829 1216 2264 1133 518 1603 724
BIR36
* 12 in. (305 mm) extra space
included for each outside air
connection. If outside air duct
has no bend, this dimension
may be reduced as long as
minimum clearances are met.
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
-
Marginal Location:
Marginal Location:
Figure 2.3 Recommended Chimney Locations
all
taped or sealed.
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
C. Tools and Supplies Needed
D. Inspect Fireplace and Components
WARNING! Risk of Fire and/or Explosion! Damaged
parts could impair safe operation. DO NOT install dam-
-
place dry.
• Read all the instructions before starting the
installation. Follow these instructions carefully
during the installation to ensure maximum safety
E. Fireplace System Requirements
• Outside Air System
• Chimney System
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
74 1/8 in.
(1883 mm)
3 3/4 in.
(95 mm)
70 3/4 in.
(1797 mm)
67 3/8 in.
(1711 mm)
61 7/8 in.
(1572 mm)
54 in.
(1372 mm)
38 in.
(965 mm)
5 1/2 in.
(140 mm)
5 in.
(129 mm)
16 1/8 in.
(408 mm)
6 7/8 in.
(175 mm)
11 1/8 in.
(282 mm)
Gas Line
Knockout
11 in.
(281 mm) diameter
11 in.
(281 mm)
27 1/2 in.
(699 mm)
15 1/2 in.
(394 mm)
31 1/8 in.
(790 mm)
74 ° TYP.
5 in.
(129 mm)
16 1/8 in.
(408 mm)
11 1/8 in.
(282 mm)
6 7/8 in.
(175 mm)
46 7/8 in.
(1191 mm)
36 in.
(914 mm)
Gas Line
Knockout
Outside Air
Outside Air
3
3 Framing and Clearances
A. Appliance Dimensions/Weight
Figure 3.1 Fireplace Dimensions
Model Pounds
Appliance Weight Table
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
(insulation)
Attic
Insulation
Shield
(ceiling)
(roof)
(attic)
(ceiling)
Ceiling Firestop
Offset/Return (secured
with hanger straps)
Storm Collar
Roof Flashing
1-1/2 in. (38 mm) to back &
sides of appliance
(except at nailing flanges
where it is 1/2 in. [13 mm])
Must have 2 in. (51 mm)
minimum clearance
to header
0 in.
to floor
2 in. (51 mm) min.
Shaded areas
represent
2 in. (51 mm) min.
air space clearance
required around pipe
Combustible Object
48 in.
1219 mm
B. Clearances
WARNING! Risk of Fire!
You must comply with all minimum air space clearances
DO NOT pack
required air spaces with insulation or other materials.
be constructed entirely of non-combustible materials (i.e.,
steel studs, concrete board, etc.). Failure to comply may
Figure 3.2 Clearances to Combustible Materials
Minimum Clearances to Combustibles
WITHIN ENCLOSURE AREA
MANTEL
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23 11
C. Construct the Chase
-
-
-
-
insulation.
Ceiling
Firestop
Metal Chase Top
Round Termination Cap
False Ceiling
Insulation in the
outside walls
of the chase
Attic
Insulation
Shield
Chimney
Ceiling
Firestop
Tabs
False Ceiling
False Ceiling
Insulation
Insulation
Storm Collar
Figure 3.3 Chase Assembly
1 2 3
All outside walls should be insulated.
Figure 3.4 Chase Constructions
WARNING! You must install false ceilings and ceil-
WARNING! Risk of Fire! DO NOT
stop opening and chimney pipe except where they enter
the attic or leave the warm air envelope of the home (use
600° F sealant).
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.
prevent accidental contact with chimney system.
• The chase must be properly blocked to prevent blown
insulation or other combustibles from entering and
• Failure to prevent contact between insulation or other
materials and chimney system may cause overheating
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/2312
B
C
A
D
D = extra space needed for outside air connection.
If outside air duct has no bend, this dimension may be
reduced as long as minimum clearances are met.
D
AB*C**D
in. 47 7/8 28 1/2 74 1/4 12
mm 1216 724 1886 305
Model #
* If interior of chase will be drywalled, add the thickness to this measurement.
** Adjust header height for raised floor under fireplace.
BIR36
Framing must be extended straight up 84 in.
(2134 mm) from the base of the fireplace.
17 in.
(432 mm)
framing 1/2 in.
(13 mm)
Fireplace must be set out
1/2 in. (13 mm) in front of
the face of the framing
material.
D. Frame the Fireplace
NOTICE:
-
WARNING! Risk of Fire! You must comply with all
minimum air space clearances to combustibles. DO NOT
pack required air spaces with insulation or other materi-
als.
WARNING! Risk of Fire! Comply with all minimum clear-
• A minimum 1-1/2 in. (38 mm) air clearance must be
maintained at the back and sides of the fireplace
assembly.
• Chimney sections at any level require a 2 in. (51 mm)
minimum air space clearance between the framing and
chimney section.
CAUTION! Risk of Cuts/Abrasions. Wear protective gloves
and safety glasses during installation. Sheet metal edges
are sharp.
Figure 3.5 Framing the Fireplace
Note:
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
WARNING! Risk of Fire! Prevent contact with sagging,
loose insulation.
• DO NOT install against vapor barriers or exposed
insulation.
• Secure insulation and vapor barriers.
• Provide minimum air space clearances at the sides and
E. Secure and Level the Fireplace
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
1 in. (25 mm) overlap
Minimum
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).
Raised Platform
Floor
2 in.
(51 mm)
1 in. (25 mm) min.
overlap
2 in.
(51 mm)
Top piece must overlap
bottom piece
Figure 3.7 Protect the Front of an Elevated Platform
F. Protective Metal Hearth Strips
Figure 3.6 Position the Protective Metal Hearth Strips
WARNING! Risk of Fire! Protective metal hearth
strips MUST be installed on combustible surfaces. DO
NOT cover metal strips with combustible materials.
WARNING! "High temperatures, sparks,
embers or other burning material falling from the
surfaces.
• Protective metal hearth strips MUST be installed.
• Hearth extensions MUST be installed exactly as
G. Outside Air Kit (Required on both sides)
-
-
inlet hoods.
Note: Maximum length is 40 feet.
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
3 ft min. from
top of uppermost
chimney section
to air inlet.
CAUTION! Risk of Cuts/Abrasions. Wear protective
gloves and safety glasses during installation. Sheet metal
edges are sharp.
CAUTION! #$%"DO NOT draw
enclosed spaces such as an attic or garage.
• DO NOT place outside air inlet hood close to exhaust
vents or chimneys. Fumes or odor could be drawn into
• Locate outside air inlet hood to prevent blockage from
leaves, snow/ice, or other debris. Blockages could cause
combustion air starvation and unit to overheat.
Figure 3.9 Outside Air Inlet Locations
Outside air is
required to be
installed on both
sides (right side not
shown)
inlet hoods.
• Use the supplied outside air inlet hoods.
NOTICE: The fireplace provides some outside air for
combustion. Other methods may be necessary if more air
is required.
WARNING! Risk of Fire! The outside air kits are installed
Figure 3.8 Outside Air Installation
Outlet placed
higher than 3 ft
below the
termination cap
Attic space
Garage or
combustible
liquids storage
Outlet blocked by
snow, leaves, etc.
Clear area
outside
house or in
ventilated
crawl space
YES
NO
NO
NO
NO
Factory-built
fireplace
• Use UL181 Class 1 or Class 0 rigid or flexible ducting.
• Install with short run and add a P-trap which will help
prevent flow of cold air.
• Secure flex duct with screws or wire ties.
Typical Outside Air
Installation
Recommend
around 24 inches
for a minimum bend
Figure 3.10 P-Trap
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
20 ft (6.10 m) max.
pipe between an
offset & return
Ceiling firestop
35 ft (10.7 m)
max. straight
unsupported
chimney height
18.5 ft (5.64 m)
min. height
single offset-return
90 ft (27.4 m)
max. height
6 ft (1.83 m) max.
unsupported chimney
above roof
74 1/8 in.
(1884 mm)
Effective
Height
Figure 4.1 Chimney Requirements
NOTICE:
may be used.
WARNING! Risk of Fire! You must maintain 2 in. (51 mm)
air space clearance to insulation and other combustible
materials around the chimney system. Failure to do so
NOTICE: You must provide support for the pipe during
construction and check to be sure inadvertent loading has
any chimney joint.
A. Chimney Requirements
4
4 Chimney and Termination Requirements
Table 4.2 Chimney Component Dimensions
Table 4.1 Chimney Requirements
•
•
•
•
and return
•
•
•
•
•
HEIGHT OF CHIMNEY COMPONENTS in. mm
Chimney Stabilizer
SL11 121
Chimney Sections*
121
SL1112
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
WARNING! Risk of Fire! DO NOT
Straight chimney sections may be secured with screws. Keep chimney sections from separating or twisting.
A
B
1-1/4 in. (32 mm)
OVERLAP
Example:
-
are two SL1112’s.
AB
SL1106 SL1112 SL1118 SL1136 SL1148in. mm in. mm
-----
22 1 - - - -
2 - - - -
- 1 - - -
1 1 - - -
- - 1 - -
- 2 - - -
1 2 - - -
- 1 1 - -
- - 2 - -
- - - 1 -
1 - - 1 -
-1-1-
----1
1 - - - 1
- 1 - - 1
- - 1 - 1
- - - 2 -
1 - - 2 -
- - - 1 1
1222 1 - - 1 1
----2
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
Slanted Roofs
Flat Roofs
Chimney must
extend 3 ft (.9 m)
above the roof
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
Chimney must extend 2 ft (.6 m)
above any portion of the roof or
adjacent structures within
10 ft (3 m) of the chimney
Multiple Chimney Locations
AB
6 in. (minimum) up to 20 in.
152 mm/508 mm
18 in. minimum
457 mm
20 in. and over 0 in. minimum
Gas, Wood or Fuel Oil
Termination Cap
Wood
Minimum
(See
illustration
above)
B
Gas
Termination
Cap **
A *
Perpendicular Wall
*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 4.3 Multiple Chimney Locations
C. Termination Requirements
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
Chimney must extend
beyond combustible
roof structure
Maintain minimum
height of chimney
above roof
Additional
support for
tall chimneys
Install roof flashing
according to minimum
requirements
Maintain minimum
clearances to
combustibles as
specified
Offsets/returns
may not exceed
30° from vertical
Lock chimney
sections together
firmly to resist
movement
Ceiling firestops
are required where
chimney passes
through ceiling or
floor
Support straps for offsets
(not shown) must be
secured to adequate framing
Termination Cap
Storm Collar
Offsets/returns must be
secured with screws
(outer pipe only)
Attic shield
The chimney must be
enclosed from the
replace to the attic
maintaining the 2
inch clearances.
5
5 Chimney Installation
Figure 5.1 Typical Chimney System - Guidelines for Chimney System Installation
NOTICE: Chimney performance may vary.
• Chimney height may need adjustment if smoking or overdraft occurs.
A. Typical Chimney System
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
NOTICE: Chimney sections cannot be disassembled once
locked together. Plan ahead!
and will not separate.
WARNING! Risk of Fire! You MUST use screws to
chimney parts from twisting. Failure to do so could
fasten to studs or joists.
B. Assemble Chimney Sections
-
WARNING! Risk of Fire! DO NOT install substitute or
damaged chimney components.
Figure 5.2 Assembling Chimney Sections
C. Install Chimney Air Kit (optional)
Chimney
Air Kit
Figure 5.3 CAK on Top of Unit
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