Heatilator NDV30-IFT Installation Manual page 31

Rear Vent - Vertical Termination
One Elbow
V = 6 ft (1.83 m) min.
Total
60 ft (18.29 m) max.
Figure 4.26
Two Elbows
6 ft (1.83 m) min.
60 ft (18.29 m) max.
Figure 4.27
Heatilator • NDV30-IFT, NDV33-IFT, NDV36-IFT, NDV36-IFT-NVR, NDV42-IFT Installation Manual • 2620-980 Rev. C • 8/20
V
Total
6 ft (1.83 m) max.
6 ft (1.83 m) max.
H
2
Maximum horizontal run (H
vertical, but cannot exceed 26 ft (7.92 m)
H
1
H = 0 min.
1
0 min.
H
1
)= 100% of
Total
31