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Top Vent - Horizontal Termination
One Elbow
WARNING! Risk of Fire! Elbow heat shield required
when V
= 2 ft. or less. Clearances to combustibles must
1
be maintained. See Section 5.A.
Note: For corner installations: A 6 inch (152
mm) section of straight pipe may need to
be attached to the appliance before a 90º
elbow, to allow the vent pipe to clear the top
standoffs.
V
Minimum
1
Elbow only
6 in.
1 ft.
1-1/2 ft.
2 ft.
2-1/2 ft.
3 ft.
V
+ H
1
H
1
Figure 4.10
Majestic • DBDV36IN, DBDV36IL, DBDV42IN, DBDV42IL Installation Manual • 2397-980 Rev. B • 5/16
ELBOW HEAT SHIELD
(Required when V
DBDV36IN
DBDV36IL
H
Maximum
1
24 in.
610 mm
152 mm
4 ft.
1.2 m
305 mm
6 ft.
1.8 m
457 mm
10 ft.
3.0 m
610 m
15 ft.
4.6 m
762 mm
20 ft.
6.1 m
914 mm
25 ft.
7.6 m
= 40 ft. (12.2 m) Maximum
1
= 25 ft. (7.6 m) Maximum
= 2 ft. or less)
1
H
1
DBDV42IN
DBDV42IL
V
Minimum
H
1
1
Elbow Only
24 in.
1 ft.
305 mm
3 ft.
2 ft.
610 mm
6 ft.
3 ft.
914 mm
11 ft.
4 ft.
1.2 m
20 ft.
V
+ H
= 40 ft. (12.2 m) Maximum
1
1
H
= 20 ft. (6.1 m) Maximum
1
V
1
Maximum
610 mm
914 mm
1.8 m
3.4 m
6.1 m
19
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