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Rear Vent - Horizontal Termination
No Elbow
Figure 4.24
Two Elbows
Figure 4.25
Heatilator • NNXT33-IFT, NNXT33L-IFT, NNXT36-IFT, NNXT36L-IFT Installation Manual • 2628-980 Rev. C • 8/20
H
1
H
2
V
min.
H
1
ft
m
ft
0
0
1
2
0.61
1
4
1.22
2
6
1.83
3
8
2.44
4
8
2.44
5
8
2.44
6
V
1
H
1
H
Maximum = 18 in. (457 mm)
1
max.
H
1
Total
m
ft
0.30
3
0.30
3
0.61
6
0.91
9
1.22
12
1.52
15
1.83
18
m
0.91
0.91
1.83
2.74
3.66
4.57
5.49
27
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