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Heatilator • Novus NDV Series • 4055-187 Rev F • 06/08 25
H
1
V
1
Figure 7.4
One Elbow
1. Top Vent - Horizontal Termination - (continued)
Figure 7.5
Two Elbows
Note: Subtract 3 ft (914 mm) from the total horizontal
measurement for each 90° elbow installed horizontally.
Subtract 1-1/2 ft (457 mm) from the total horizontal
measurement for each 45° elbow installed horizontally.
H
1
V
1
H
2
H
3
Installed
Horizontally
Installed
Vertically
H
2
V1 Min V1 Max H1 Max.
0* - 24 in./635 mm
4 in./102 mm - 4 ft/1.22 m
6 in./152 mm - 6 ft/1.83 m
12 in./305 mm - 11 ft/3.35 m
18 in./457 mm - 18 ft/5.49 m
24 in./610 mm - 25 ft/7.62 m
- 25 ft/7.62 m (DVP) 25 ft/7.62 m
- 23 ft/7.62 m (SLP) 25 ft/7.62 m
* You may install the elbow directly on top of the
appliance (DVP only).
V
1
min. V
1
max. H
1
+H
2
max. H
1
+H
2
+H
3
max.
6 in./152 mm - 6 ft/1.83 m -
12 in./305 mm - 11 ft/3.35 m 11 ft/3.35m
18 in./457 mm - 18 ft/5.49 m 18 ft/5.49m
24 in./610 mm - 25 ft/7.62m 25 ft/7.62m
- 25 ft/7.62 m (DVP) 25 ft/7.62m 25 ft/7.62m
- 23 ft/7.01 m (SLP) 25 ft/7.62m 25 ft/7.62m
Î
Î