Heatilator NNXT4236IF Installation Manual page 21

3. Rear Vent - Horizontal Termination - (continued)
Two Elbows
H
Figure 4.16
Three Elbows
Figure 4.17
Heatilator • NNXT4236IF, NNXT4236ILF, NNXT3633IF, NNXT3633ILF Installation Manual • 4055-980 Rev. D • 9/15
V
1
2
Installed
Horizontally
H
3
H max.
1
ft m
0 0
2 0.61
4 1.22
6 1.83
8 2.44
8 2.44
8 2.44
H
1
H max.
1
ft m
0 0
2 0.61
4 1.22
6 1.83
8 2.44
8 2.44
8 2.44
V
1
H
2
V min.
1
ft m
1 0.30
1 0.30
2 0.61
3 0.91
4 1.22
5 1.52
6 1.83
V min.
1
ft m
1 0.30
1 0.30
2 0.61
3 0.91
4 1.22
5 1.52
6 1.83
H
1
H +H max.
1 2
ft m
3 0.91
3 0.91
6 1.83
9 2.74
12 3.66
15 4.57
18 5.49
H +H +H max.
1 2 3
ft m
3 0.91
3 0.91
6 1.83
9 2.74
12 3.66
15 4.57
18 5.49
21