Heatilator NDV30-IFT Installation Manual page 27

Top Vent - Vertical Termination (continued)
Three Elbows
V
2
60 ft (18.29 m) max.
Figure 4.20
Heatilator • NDV30-IFT, NDV33-IFT, NDV36-IFT, NDV36-IFT-NVR, NDV42-IFT Installation Manual • 2620-980 Rev. C • 8/20
Maximum horizontal run (
vertical, but cannot exceed 26 ft (7.92 m).
H
2
V + V
1 2
6 ft (1.83 m) min.
H )
is 100% of
TOTAL
H
1
V
1
27