Heatilator BIR42 Owner's Manual page 37

Min. Height
above radiation
shield
Min.
Base Dim
3 in. (76 mm) Min.
Radiation Shield Height
from top of Chase
Minimum
Height above
Radiation Shield
3 in. (76 mm)
Radiation
Shield Height
3 in. (76 mm)
Min. Opening Height
Min. Base Dim
Min. Opening Width
Termination
Cap
Minimum
Opening
Height
Minimum
Base Dimension
Min. Opening Width
TR11/11T
in
mm
in
mm
in
mm
TR11/11T
in
mm
in 16 16
mm
in
mm 711 711
in
mm