Heatilator Birmingham BIR42, Owner'S Manual, Page: 37 / 55

3 in. (76 mm)
Min. Opening Height
Min. Base Dim
Min. Height
above radiation
shield
Min.
Base Dim
3 in. (76 mm) Min.
Radiation Shield Height
from top of Chase
Min. Opening Width
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Minimum
Opening
Height
Minimum
Base Dimension
Min. Opening Width
Min. Base Dimension
Minimum
Height above
Radiation Shield
Chase Top
Radiation Shield
3 in. (76 mm)
Radiation
Shield Height
Termination
Cap
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