Heatilator Gas Fireplace GDCL4136I Owner's Manual page 28

1. Top Vent - Horizontal Termination - (continued)
One Elbow
Figure 7.4
Two Elbows
H
2
Figure 7.5
28 Heatilator • GDST4336I, GDFL4136I, GDCR4136I, GDCL4136I • 2129-900 Rev. F • 11/08
H
1
H
INSTALLED
HORIZONTALLY
V
1
Elbow only
6 in.
1 ft.
2 ft.
3 ft.
4 ft
V
1
V
V
1
Elbow only
6 in.
1 ft.
2 ft.
3 ft.
4 ft
5 ft.
V
1
1
Minimum H Maximum
1
2 ft.
152 mm 2-1/2 ft.
305 mm 3 ft.
610 mm 6 ft
914 mm 11 ft.
1.2 m 20 ft
+ H = 40 ft. (12.2 m) Maximum
1 1
H = 20 ft. (6.1 m) Maximum
1
Minimum H + H Maximum
1 2
1 ft.
152 mm 2 ft.
305 mm 2 ft.
610 mm 4 ft
914 mm 9 ft.
1.2 m 18 ft.
1.5 m 20 ft
+ H + H = 50 ft. (15.2 m) Maximum
1 2
H + H = 20 ft. (6.1 m) Maximum
1 2
V
1
610 mm
762 mm
914 mm
1.8 m
3.3 m
6.1 m
305 mm
610 mm
610 mm
1.2 m
2.7 m
5.5 m
6.1 m