Chimney And Termination Requirements - Heatilator Birmingham BIR36-B Installation Manual

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Chimney and Termination Requirements

A. Chimney Requirements
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Table 4.1 Chimney Requirements
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and return
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NOTICE: $ PD[LPXP RI WZR SDLUV RI R VHWV DQG UHWXUQV
may be used.
WARNING! Risk of Fire!
air space clearance to insulation and other combustible
materials around the chimney system. Failure to do so
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20 ft (6.10 m) max.
pipe between an
offset & return
Ceiling firestop
74 1/8 in.
(1884 mm)
Effective
Height
Figure 4.1 Chimney Requirements

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You must maintain 2 in. (51 mm)
6 ft (1.83 m) max.
unsupported chimney
above roof
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
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
NOTICE: You must provide support for the pipe during
construction and check to be sure inadvertent loading has
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any chimney joint.
Table 4.2 Chimney Component Dimensions
 P
HEIGHT OF CHIMNEY COMPONENTS
Chimney Stabilizer
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2 VHWV5HWXUQV
6/
Chimney Sections*
6/
SL1112
6/
6/
6/
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in. mm
 121
 
 121