26
Heat & Glo • Rutherford 42-B Installation Manual • 4059-712 • Rev O • 09/28/15
3 in. (76 mm)
Min. Opening Height
Min, Base Dim
Min. Height
above bottom of
termination
cap
Min.
Base Dim
3 in. (76 mm) Min.
Radiation Shield Height
from top of Chase
Min, Opening Width
Radiation
Shield
Minimum
Opening Height
Figure 6.4 Mailbox Style Shroud Dimensions
Minimum
Opening
Height
Minimum
Base Dimension
Min. Opening Width
Min. Base Dimension
Minimum
Height above
Bottom of Termination Cap
Chase Top
Radiation Shield
3 in. (76 mm)
Radiation
Shield Height
Termination
Cap
3. Roofed Style Shroud
Radiation shield required
2. Mailbox Style Shroud
Radiation shield required
TR11/11T
TR11/11T TV
Min. Base Dims.
in
34 x 34
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
mm
305
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
mm
718
698
Min. Opening Width
in
28
22
mm
711
559
Min. Opening Height
in
18-1/4
17-1/2
mm
464
445
Figure 6.5 Roofed Style Shroud Dimensions