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Top Vent - Horizontal Termination - (continued)
Two Elbows
H
2
V
Minimum
1
Elbow only
6 in.
1 ft.
1-1/2 ft.
2 ft.
2-1/2 ft.
3 ft.
V
+ H
+ H
1
1
H
+ H
1
V
= 1 ft. (305 mm) Minimum
1
Figure 4.11
Majestic • DBDV36IN, DBDV36IL, DBDV42IN, DBDV42IL Installation Manual • 2397-980 Rev. B • 5/16
20
INSTALLED
HORIZONTALLY
DBDV36IN
DBDV36IL
H
+ H
Maximum
1
2
Not allowed
152 mm
Not allowed
305 mm
2 ft.
610 mm
457 mm
4 ft.
1.2 m
610 mm
11 ft.
3.35 m
762 mm
19 ft.
5.8 m
914 mm
22 ft.
6.7 m
= 40 ft. (12.2 m) Maximum
2
= 22 ft. (6.7 m) Maximum
2
H
1
DBDV42IN
DBDV42IL
V
Minimum
H
+ H
1
1
Elbow only
Not allowed
6 in.
152 mm
Not allowed
1 ft.
305 mm
2 ft.
2 ft.
610 mm
4 ft.
3 ft.
914 mm
6 ft.
4 ft.
1.2 m
8 ft.
6 ft.
1.8 m
12 ft.
10 ft.
3.0
20 ft.
V
+ H
+ H
= 40 ft. (12.2 m) Maximum
1
1
2
H
+ H
= 20 ft. (6.0 m) Maximum
1
2
V
= 1 ft. (305 mm) Minimum
1
V
1
Maximum
2
610 mm
1.2 m
1.8 m
2.4 m
3.6 m
6.1 m
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