Heatilator ST42A Installation Manual page 26

2. Mailbox Style Shroud
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Min. Height
above bottom of
termination
cap
Radiation
Min.
Shield
Base Dim
3 in. (76 mm) Min.
Radiation Shield Height
from top of Chase
Figure 6.4 Mailbox Style Shroud Dimensions
3. Roofed Style Shroud
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Minimum
Height above
Bottom of Termination Cap
3 in. (76 mm)
Radiation
Shield Height
Figure 6.5 Roofed Style Shroud Dimensions

Minimum
Opening Height
3 in. (76 mm)
Min. Opening Height
Min, Base Dim
Min, Opening Width
Termination
Cap
Min. Opening Width
Heatilator • ST42A Installation Manual • 4012-051 • Rev O • 02/22
Minimum
Opening
Height
Minimum
Base Dimension
TR11/11T TR11/11T TV
Min. Base Dims.
in  [   [ 
mm  [   [ 
Min. Height Above Bottom of
Termination Cap
in  
mm   
Min. Opening Width
in 28 22
mm  
Min. Opening Height
in  
mm  
TR11/11T
TR11/11T TV
Min. Base Dims.
in  [ 
mm  [ 
Min. Height
Above Bottom of
Termination Cap
in 
mm 
Min. Opening Width
in 28
mm 
Min. Opening Height
in 12
mm