Heatilator • GDST4336I, GDFL4136I, GDCR4136I, GDCL4136I • 2129-900 Rev. W • 12/15
34
4. Rear Vent - Vertical Termination
One Elbow
Figure 7.17
Two Elbows
Figure 7.18
V
1
H
1
INSTALLED
HORIZONTALLY
H
2
V
2
H
1
V
1
Minimum
H
1
Maximum
6 in.
152 mm
2 ft.
610 mm
1 ft.
305 mm
3 ft.
914 mm
2 ft.
610 mm
5 ft.
1.5 m
3 ft.
914 mm
7 ft.
2.1 m
4 ft.
1.2 m
8 ft
2.4 m
5 ft.
1.5 m
8 ft
2.4 m
V
1
+ H
1
= 40 ft (12.2 m) Maximum
H
1
= 8 ft (2.4 m) Maximum
V
1
Minimum
H
1
+ H
2
Maximum
Back to Back 90° Elbows
3 ft.
914 mm
2 ft
610 mm
6 ft.
1.8 m
4 ft
1.2 m
9 ft.
2.7 m
6 ft.
1.8 m
12 ft.
3.7 m
8 ft.
2.4 m
15 ft.
4.6 m
V
1
+ H
1
= 40 ft (12.2 m) Maximum
H
1
+ H
2
= 8 ft (2.4 m) Maximum
