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Top Vent - Horizontal Termination - (continued)
Three Elbows
V
Min.
1
Elbow only
2 ft.
6 in.
152 mm
3 ft.
1 ft.
305 mm
6 ft.
2 ft.
610 mm
11 ft.*
3 ft.
914 mm
16 ft. *
*H
+ H
= 20 ft. (6.1 m) Maximum
1
2
Figure 4.12
H
2
H
Max.
V
Min.
1
2
610 mm
0 in.
914 mm
6 in.
1.8 m
1 ft.
305 mm
3.4 m*
2 ft.
610 mm
4.9 m*
3 ft.
914 mm
V
+ V
+ H
+ H
1
2
1
Heatilator • CNXT4236IFT, CNXT4842IFT Installation Manual • 2515-980 Rev. R • 1/23
V
2
H
H
Max.
2
0 mm
1 ft.
305 mm
152 mm
2 ft.
610 mm
6 ft.
1.8 m
10 ft.*
3.1 m*
14 ft.*
4.3 m*
= 40 ft. (12.2 m) Maximum
2
1
V
1
23
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