37

3 in. (76 mm)

Min. Opening Height

Min. Base Dim

Min. Height

above radiation

shield

Min.

Base Dim

3 in. (76 mm) Min.

Radiation Shield Height

from top of Chase

Min. Opening Width

Figure 10.3 Mailbox Style Shroud Dimensions
Minimum
Opening
Height
Minimum
Base Dimension
Min. Opening Width
Min. Base Dimension
Minimum
Height above
Radiation Shield
Chase Top
Radiation Shield
3 in. (76 mm)
Radiation
Shield Height
Termination
Cap
Figure 10.4 Roofed Style Shroud Dimensions
Roofed Style Shroud (radiation shield required)Mailbox Style Shroud (radiation shield required)
Heat & Glo • HST-42D • 27177 • Rev AB • 11/08
TS345 TR342 TR342/344TV
Min. Base Dims.
in N/A 26-1/2 x 28 28 x 30
mm N/A 673 x 711 711 x 762
Min. Height Above Radiation Shield
in N/A 21-1/4 20-1/2
mm N/A 540 521
Min. Opening Width
in N/A 20-1/2 x 22 22 x 24
mm N/A 521 x 559 559 x 610
TS345/445
TR342/344
TR442/444 TR342/344TV
Min. Base Dims.
in N/A 27 x 27 27 x 27
mm N/A 686 x 686 686 x 686
Min. Height Above Radiation Shield
in N/A 16 16
mm N/A 406 406
Min. Opening Width
in N/A 21 21
mm N/A 533 533
Min. Opening Height
in N/A 12 12
mm N/A 305 305