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Heatilator • GDST4336IFT, GDFL4136IFT Installation Manual • 2480-980 Rev. B • 3/17
Rear Vent - Horizontal Termination - (continued)
Two Elbows
Figure 4.22
Figure 4.23
Three Elbows
H
1
H
2
V
1
INSTALLED
HORIZONTALLY
H
3
H
1
H
2
V
1
H
1
Maximum
V
1
Minimum
H
2
Maximum
H
1
+ H
2
Maximum
1 ft.
305 mm
6 in.
152 mm
1 ft.
305 mm
1 ft
305 mm
2 ft.
610 mm
1 ft.
305 mm
2 ft.
610 mm
3 ft.
914 mm
3 ft.
914 mm
2 ft.
610 mm
4 ft
1.2 m
6 ft.
1.8 m
3 ft.
914 mm
3 ft.
914 mm
7 ft.
2.1 m
9 ft.
2.7 m
3 ft.
914 mm
4 ft.
1.2 m
10 ft.
3 m
12 ft.
3.7 m
3 ft.
914 mm
5 ft.
1.5 m
12 ft.
3.7 m
15 ft.
4.6 m
3 ft.
914 mm
6 ft.
1.8 m
15 ft.
4.6 m
18 ft.
5.5 m
V
1
+ H
1
+ H
2
= 50 ft (15.2 m) Maximum H
1
= 3 ft (914 mm) Maximum
*H
1
+ H
2
= 18 ft (5.5 m) Maximum
H
1
Maximum
V
1
Minimum
H
1
+ H
2
+ H
3
Maximum
6 in.
152 mm
6 in.
152 mm
1 ft.
305 mm
1 ft.
305 mm
1 ft.
305 mm
2 ft.
610 mm
3 ft.
914 mm
2 ft.
610 mm
4 ft.
1.2 m
3 ft.
914 mm
3 ft.
914 mm
6 ft.
1.8 m
3 ft.
914 mm
4 ft.
1.2 m
8 ft.
2.4 m
V
1
+ H
1
+ H
2
+ H
3
= 40 ft (12.2 m) Maximum
H
1
= 3 ft (94 mm) Maximum
H
1
+ H
2
+ H
3
= 12 ft (3.7 m) Maximum