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Rear Vent - Vertical Termination - (continued)
Three Elbows
H
H
H
V
Minimum
1
2
3
1
*
*
*
8 ft.
*
*
*
9 ft.
*
*
*
10 ft.
V
+ H
+ H
+ H
1
1
2
3
*No specific restrictions on this value EXCEPT
V
+ H
+ H
+ H
cannot exceed 40 ft. (12.2 m) Maximum
1
1
2
3
H
+ H
+ H
= 8 ft. (2.4 m) Maximum
1
2
3
INSTALLED
HORIZONTALLY
Figure 4.28
H
+ H
+ H
Maximum
1
2
3
2.4 m
6 ft.
1.8 m
2.7 m
7 ft.
2.1 m
3.1 m
8 ft.
2.4 m
= 40 ft. (12.2 m) Maximum
H
3
H
2
Heatilator • CNXT4236IFT, CNXT4842IFT Installation Manual • 2515-980 Rev. R • 1/23
V
1
H
1
35
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