19
Heatilator • NEVO3630I-B, NEVO4236I-B Installation Manual • 2378-980 Rev. E • 4/16
Top Vent - Horizontal Termination - (continued)
Figure 4.12
Two or Three Elbows
H
1
V
1
H
2
H
3
Installed
Horizontally
Installed
Vertically
H
2
V
1
Minimum
H
1
+ H
2
Maximum
H
1
+ H
2
+ H
3
Maximum
18 in.
457 mm
6 ft.
1.83 m
3 ft.
.91 m
2 ft.
610 mm
11 ft.
3.35 m
8 ft.
2.4 m
30 in.
762 mm
18 ft.
5.49 m
15 ft.
4.6 m
3 ft.
914 mm
20 ft.
6.1 m
17 ft.
5.2 m
-
-
25 ft.
7.62 m
22 ft.
6.7 m
V
1
Maximum = 25 ft. (7.62 m)