Heatilator Birmingham BIR42-B Installation Manual page 19

B. Assemble Chimney Sections
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NOTICE: Chimney sections cannot be disassembled once
locked together. Plan ahead!
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and will not separate.
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WARNING! Risk of Fire!
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chimney parts from twisting. Failure to do so could
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fasten to studs or joists.
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Figure 5.2 Assembling Chimney Sections
WARNING! Risk of Fire! DO NOT install substitute or
damaged chimney components.
Heatilator • Birmingham 42-B Installation Manual • 4059-715 • Rev AD • 06/23
You MUST use screws to
C. Install Chimney Air Kit (optional)
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Figure 5.3 CAK on Top of Unit
Chimney
Air Kit