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Heat & Glo • ST-36TR-IPI, PIER-36TR-IPI • 2176-900 Rev. F • 8/11 29
Figure 7.6
1. Top Vent - Horizontal Termination - (continued)
Three Elbows
V
1
Minimum H
1
Maximum V
2
Minimum H
2
Maximum V
1
+ V
2
Minimum H
1
+ H
2
Maximum
Elbow only 1 ft. 305 mm 6 in. 152 mm 1 ft. 305 mm 6 in. 152 mm 1 ft. 305 mm
6 in. 152 mm 3 ft. 914 mm 6 in. 152 mm 2 ft. 610 mm 1 ft. 305 mm 3 ft. 914 mm
1 ft. 305 mm 6 ft 1.8 m 1 ft. 305 mm 6 ft 1.8 m 2 ft. 610 mm 12 ft. 3.7 m
2 ft. 610 mm 10 ft.* 3 m 2 ft. 610 mm 10 ft.* 3 m 4 ft 1.2 m 18 ft. 5.5 m
3 ft. 914 mm 12 ft.* 3.7 m 3 ft. 914 mm 12 ft.* 3.7 m 6 ft 1.8 m
18 ft 5.5 m
*H
1
+ H
2
= 18 ft. (5.5 m) Maximum V
1
+ V
2
+ H
1
+ H
2
= 50 ft. (15.2 m) Maximum
H
2
H
1
V
2
V
1