Chimney Assembly; Chimney Requirements - Heatilator BIR50-B Owner's Manual

8

Chimney Assembly

NOTICE: Chimney performance may vary.
• Trees, buildings, roof lines and wind conditions affect
performance.
• Chimney height may need adjustment if smoking or
overdraft occurs.
A. Chimney Requirements
Measure vertical distances from the base of the fireplace.
• Minimum overall straight height
• Minimum height with offset/return
• Maximum height
• Maximum chimney length between an offset
and return
• Maximum distance between chimney stabiliz-
ers
• Maximum unsupported chimney length be-
tween the offset and return
• Maximum unsupported chimney height above
the fireplace
• Maximum unsupported chimney above roof
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 may
cause overheating and fire.
Feet Meters
18 5.49
18.5 5.64
50 15.24
20 6.10
25 7.62
6 1.83
25 7.62
6 1.83
Heatilator • Birmingham BIR50-B • 4059-682C• 8/12
Table 8.1
Height of Chimney Components
Stabilizer
14DCA-ST
Firestop
14DCA-FS
Elbows
14DCA-E15 - 15° Elbow
14DCA-E30 - 30° Elbow
Miscellaneous
14DCA-ES - Elbow Strap
14DCA-SS - Supplementary Support
14DCA-IS - Insulation Shield
14DCA-RRS - Roof Radiation Shield
14DCA-CTF - Chase Top Flashing
14DCA-CTC - Chase Top Collar
14DCA-VC - Chimney Cap
14DCA-SC - Storm Collar
14DCA-WS - Wall Strap
Chimney Sections*
14DCA-12
14DCA-18
14DCA-36
14DCA-48
* Dimensions reflect effective height.
in. mm
10 1/2 267
16 1/2 419
34 1/2 876
46 1/2 1181
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