Majestic • MER36MN, MER42MN Installation Manual • 2599-980 Rev. B • 5/23
34
Figure 4.13
Top Vent - Horizontal Termination - (continued)
Three Elbows
H
2
H
1
V
2
V
1
V
1
Min.
H
1
Max.
V
2
Min.
H
2
Max.
6 in.
152 mm
3 ft
914 mm
6 in.
152 mm
2 ft.
610 mm
1 ft.
305 mm
6 ft.
1.8 m
1 ft.
305 mm
6 ft.
1.8 m
2 ft.
610 mm
11 ft.*
3.4 m*
2 ft.
610 mm
10 ft.*
3.1 m*
3 ft.
914 mm
16 ft *
4.9 m*
3 ft.
914 mm
14 ft.*
4.3 m*
*H
1
+ H
2
= 20 ft. (6.1 m) Maximum V
1
+ V
2
+ H
1
+ H
2
= 40 ft. (12.2 m) Maximum
WARNING! Risk of Fire!
Elbow heat shield required
when V
1
= 2 ft. or less. Clearances to combustibles
must be maintained. See Section 5.A.
