Heatilator BIR42 Owner's Manual page 36

10
Shrouds
WARNING! Risk of Fire!
NOTICE:
3 in (76 mm)
minimum
Min. Opening
Width
Base Dim.
Min.
Top Dim.
Min.
Top Dim.
Min.
Base Dim.
Min.
Ø 17 1/2 in. (444.5 mm) Round Hole to fit over cap
Min. Opening
Width
3 in. (76 mm) tall legs
Length x Width to fit inside shroud
TR11/11T
in
mm
in
mm
in
mm