2. Mailbox Style Shroud
Radiation shield required
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
Radiation shield required
►
Minimum
Height above
Bottom of Termination Cap
3 in. (76 mm)
Radiation
Shield Height
Figure 6.5
Roofed Style Shroud Dimensions
26
Minimum
Opening Height
3 in. (76 mm)
Min. Opening Height
Min, Base Dim
Min, Opening Width
Termination
Cap
Heatilator • ST42A Installation Manual • 4012-051 • Rev C • 10/03/13
Minimum
Opening
Height
Minimum
Base Dimension
Min. Opening Width
TR11/11T
TR11/11T TV
Min. Base Dims.
in
34 x 34
28 x 30
mm
864 x 864
711 x 762
Min. Height Above Bottom of
Termination Cap
in
28-1/4
27-1/2
718
mm
Min. Opening Width
in
28
mm
711
Min. Opening Height
in
18-1/4
17-1/2
mm
464
TR11/11T
TR11/11T TV
Min. Base Dims.
34 x 34
in
mm
864 x 864
Min. Height
Above Bottom of
Termination Cap
in
23
mm
584
Min. Opening Width
in
28
mm
711
Min. Opening Height
in
12
305
mm
698
22
559
445