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Top Vent - Horizontal Termination - (continued)
Three Elbows
WARNING! Risk of Fire! Elbow
heat shield required when V
ft. or less. Clearances to combus-
tibles must be maintained.
Section 5.A.
Note: For corner installations: A 6 in.
(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.
Figure 4.14
Majestic • MER36N, MER36L, MER42N, MER42L Installation Manual • 2595-980 Rev. B • 5/23
V
Min.
= 2
1
1
Elbow only
See
6 in.
1 ft.
2 ft.
3 ft.
*H
+ H
1
2
H
2
H
Max.
1
2 ft.
610 mm
152 mm
3 ft.
914 mm
305 mm
6 ft.
1.8 m
610 mm
11 ft.*
3.4 m*
914 mm
16 ft *
4.9 m*
= 20 ft. (6.1 m) Maximum
V
2
H
1
V
Min.
2
0 in.
0 mm
1 ft.
6 in.
152 mm
2 ft.
1 ft.
305 mm
6 ft.
2 ft.
610 mm
10 ft.*
3 ft.
914 mm
14 ft.*
V
+ V
+ H
+ H
= 40 ft. (12.2 m) Maximum
1
2
1
2
V
1
H
Max.
2
305 mm
610 mm
1.8 m
3.1 m*
4.3 m*
35
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