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7
NOTE
1. All dimensions are from the surfaces of all tubes and couplings.
2. Clearances B, C, and D can be reduced by 50% after 25 ft (7.5 m) of tubing downstream from where the burner
and burner tube connect.
Unvented
Vented
Radiant Tubes
Vent
Pipes
FIGURE 8: U-Tube, Opposite 45° Reflector
IRH 80
IRH 125
IRH 150
IRH 200
A
8" (21 cm)
10" (26 cm)
12" (31 cm)
12" (31 cm)
B
60" (153 cm)
70" (178 cm)
74" (188 cm)
76" (194 cm)
C
65" (166 cm)
77" (196 cm)
83" (211 cm)
85" (216 cm)
D
22" (56 cm)
22" (56 cm)
22" (56 cm)
22" (56 cm)
FIGURE 9: Venting
IRH 80
IRH 125
IRH 150
IRH 200
A
20" (51 cm)
20" (51 cm)
20" (51 cm)
20" (51 cm)
E
24" (61 cm)
24" (61 cm)
30" (77 cm)
30" (77 cm)
F
18" (46 cm)
18" (46 cm)
18" (46 cm)
18" (46 cm)
Summary of Contents for IRH
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