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Heatilator • Novus NNXT • 4055-879 • Rev. o • 2/1232
3. Rear Vent - Horizontal Termination - (continued)
Two Elbows
Figure 7.12
Figure 7.13
Three Elbows
H
2
V
1
H
1
H
2
V
1
H
3
H
1
Installed
Horizontally
H
1
max. V
1
min. H
1
+H
2
+H
3
max.
ft m ft m ft m
0 0 1 0.30 3 0.91
2 0.61 1 0.30 3 0.91
4 1.22 2 0.61 6 1.83
6 1.83 3 0.91 9 2.74
8 2.44 4 1.22 12 3.66
8 2.44 5 1.52 15 4.57
8 2.44 6 1.83 18 5.49
H
1
max. V
1
min. H
1
+H
2
max.
ft m ft m ft m
0 0 1 0.30 3 0.91
2 0.61 1 0.30 3 0.91
4 1.22 2 0.61 6 1.83
6 1.83 3 0.91 9 2.74
8 2.44 4 1.22 12 3.66
8 2.44 5 1.52 15 4.57
8 2.44 6 1.83 18 5.49