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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
1
must be maintained. See Section 5.A.
MER36MN
V
Minimum
1
Elbow Only
6 in.
152 mm
1 ft.
305 mm
1-1/2 ft.
457 mm
2 ft.
610 m
2-1/2 ft.
762 mm
3 ft.
914 mm
V
+ H
= 40 ft. (12.2 m) Maximum
1
1
H
= 20 ft. (6.1 m) Maximum
1
MER42MN
V
Minimum
1
Elbow Only
6 in.
152 mm
1 ft.
305 mm
2 ft.
610 mm
3 ft.
914 mm
4 ft.
1.2 m
V
+ H
= 40 ft. (12.2 m) Maximum
1
1
H
= 20 ft. (6.1 m) Maximum
1
Figure 4.11
32
H
Maximum
1
Not Allowed
7 in.
178 mm
11 in.
279 mm
10 ft.
3.0 m
15 ft.
4.6 m
18 ft.
5.5 m
20 ft.
6.1 m
H
Maximum
1
Not Allowed
2 ft.
610 mm
3 ft.
914 mm
6 ft.
1.8 m
11 ft.
3.4 m
20 ft.
6.1 m
Majestic • MER36MN, MER42MN Installation Manual • 2599-980 Rev. B • 5/23
H
1
V
1
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