Heatilator GDCH60 Series Owner's Manual page 17

Top Vent—Horizontal Termination—Two or Three Elbows
You may use a maximum of three 90° elbows (or six 45° elbows) in any vent confi guration, Some may be installed hori-
zontally.
Figure 5.6 Two or Three Elbows, some Horizontal
Note: Subtract 3 ft (914 mm) from the total horizontal
measurement for each 90° elbow installed horizontally.
Subtract 1-1/2 ft (456 mm) from the total horizontal
measurement for each 45° elbow installed horizontally.
V min. V max.
1 1
6 in./152 mm -
12 in./305 mm -
18 in./457 mm -
24 in./810 mm -
- 25 ft/7.62 m
H
Installed
Horizontally
H
H
2
2
Heatilator • Caliber Multi-Sided Direct Vent • 4002-079 Rev K • 11/07
Table 5.3
H + H max. H + H
1 2 1
6 ft/1.83 m
11 ft/3.35 m 11 ft/3.35 m
18 ft/5.49 m 18 ft/5.49 m
25 ft/7.62 m 25 ft/7.62 m
25 ft/7.62 m 25 ft/7.62 m
3
+ H max.
2 3
-
Installed
Vertically
H
1
V
1
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