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Heatilator • GDST4336I, GDFL4136I, GDCR4136I, GDCL4136I • 2129-900 Rev. F • 11/08 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 2 ft. 610 mm 6 in. 152 mm 1 ft. 305 mm 6 in. 152 mm 3 ft. 914 mm
6 in. 152 mm 3 ft. 914 mm 6 in. 152 mm 2 ft. 610 mm 1 ft. 305 mm 5 ft. 1.5 m
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 11 ft.* 3.3 m 2 ft. 610 mm 10 ft.* 3 m 4 ft 1.2 m 20 ft. 6.1 m
3 ft. 914 mm 16 ft.* 4.9 m 3 ft. 914 mm 14 ft.* 4.3 m 6 ft 1.8 m
20 ft 6.1 m
*H
1
+ H
2
= 20 ft. (6.1 m) Maximum V
1
+ V
2
+ H
1
+ H
2
= 50 ft. (15.2 m) Maximum
H
2
H
1
V
2
V
1