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Heatilator • GDST4336I, GDFL4136I, GDCR4136I, GDCL4136I • 2129-900 Rev. F • 11/0828
H
1
V
1
Figure 7.4
Figure 7.5
One Elbow
Two Elbows
INSTALLED
HORIZONTALLY
H
1
H
2
V
1
V
1
Minimum H
1
Maximum
Elbow only 2 ft. 610 mm
6 in. 152 mm 2-1/2 ft. 762 mm
1 ft. 305 mm 3 ft. 914 mm
2 ft. 610 mm 6 ft 1.8 m
3 ft. 914 mm 11 ft. 3.3 m
4 ft 1.2 m 20 ft 6.1 m
V
1
+ H
1
= 40 ft. (12.2 m) Maximum
H
1
= 20 ft. (6.1 m) Maximum
V
1
Minimum H
1
+ H
2
Maximum
Elbow only 1 ft. 305 mm
6 in. 152 mm 2 ft. 610 mm
1 ft. 305 mm 2 ft. 610 mm
2 ft. 610 mm 4 ft 1.2 m
3 ft. 914 mm 9 ft. 2.7 m
4 ft 1.2 m 18 ft. 5.5 m
5 ft. 1.5 m 20 ft 6.1 m
V
1
+ H
1
+ H
2
= 50 ft. (15.2 m) Maximum
H
1
+ H
2
= 20 ft. (6.1 m) Maximum
1. Top Vent - Horizontal Termination - (continued)