16
Heatilator • Eclipse • 4049-300 Rev H • 11/07
Top Vent—Horizontal Termination—Two 45° Elbows
Installation requirements to replace the
fi
rst 90° elbow with two 45° elbows:
4 ft min.
(1.22 m)
25 ft max.
(7.62 m)
Figure 5.4 Minimum Installation Requirements for
Two 45° Elbows-Top Vent-Horizontal Termination
Top Vent—Horizontal Termination—Three Vertical Elbows
See Figure 5.6 for information about installing elbows horizontally.
H
1
V
2
H
2
V
1
Figure 5.5 Three Vertically Installed 90° Elbows
Table 5.2
V
1
min.
V
1
+V
2
max.
H
1
+H
2
max.
1 ft
305 mm
24 ft
7.32 m
19 ft
5.79 m
Note:
The
fi
rst elbow used in the system
must be a starter elbow (supplied with
the appliance).
