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Heat & Glo • Soho24B • 2137-900 Rev. P • 8/12
12
Figure 5.3
Figure 5.4
1. Top Vent - Horizontal Termination
One Elbow
Two Elbows
V
1
Minimum H
1
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
V
1
+ H
1
= 39 ft. (11.9 m) Maximum
H
1
= 15-1/2 ft. (4.7 m) Maximum
V
1
Minimum H
1
+ H
2
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
V
1
+ H
1
+ H
2
= 48 ft. (14.6 m) Maximum
H
1
+ H
2
= 15-1/2 ft. (4.7 m) Maximum
D. Vent Diagrams
Fire 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
H
1
V
1
INSTALLED
HORIZONTALLY
H
1
H
2
V
1