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Heat & Glo • Soho24B • 2137-900 Rev. H • 10/08
12
Figure 5.3
Figure 5.4
1. Top Vent - Horizontal TerminationOne ElbowTwo ElbowsV1 Minimum H1 Maximum
Elbow only 1-1/2 ft. 457 mm
1 ft. 305 mm 2-1/2 ft. 762 mm
1-1/2 ft. 457 mm 3-1/2 ft. 1.1 m
2-1/2 ft. 762 mm 5-1/2 ft. 1.7 m
3-1/2 ft. 1.1 m 7-1/2 ft. 2.3 m
4-1/2 ft. 1.4 m 15-1/2 ft. 4.7 m
V1 + H1 = 39 ft. (11.9 m) Maximum
H1 = 15-1/2 ft. (4.7 m) Maximum
V1 Minimum H1 + H2 Maximum
2 - 90º elbows
back to back Cannot do
6 in 152 mm 1 1/2 ft. 457 mm
1-1/2 ft. 457 mm 2-1/2 ft. 762 mm
2-1/2 ft. 762 mm 4-1/2 ft. 1.4 m
3-1/2 ft. 1.1 m 6-1/2 ft. 1.9 m
5-1/2 ft. 1.7 m 15-1/2 ft. 4.7 m
V1 + H1+ H2 = 48 ft. (14.6 m) Maximum
H1 + H2 = 15-1/2 ft. (4.7 m) Maximum
D. Vent DiagramsFire Risk. Explosion Risk.
Do NOT pack insulation or other combustibles between ceiling fi restops.
• ALWAYS maintain specifi ed clearances around venting and fi restop systems.
• Install wall shield and ceiling fi restops as specifi ed.
Failure to keep insulation or other material away from vent pipe may cause fi re.
WARNING
H1
V1
INSTALLED
HORIZONTALLY
H1
H2
V1