Heatilator HEIR36H-IFT Installation Manual page 23

Two Elbows
H
2
HEIR36 (NG/LP), HEIR42 (NG/LP),
V Minimum
1
3 ft 914 mm
4 ft
5 ft
6 ft
7 ft
8 ft
9 ft
10 ft
V + H
1
H
1
Figure 4.9
Heatilator • HEIR36-IFT, HEIR42-IFT, HEIR50-IFT Installation Manual • 2458-980 Rev. B • 8/17
INSTALLED
HORIZONTALLY
HEIR50 (NG/LP)
H + H
1 2
18 in 457 mm
1.2 m 3 ft 914 mm
1.5 m 7 ft 2.1 m
1.8 m 8 ft 2.4 m
2.1 m 10 ft 3.0 m
2.4 m 12 ft 3.7m
2.7 m 14 ft 4.3 m
3.0 m 16 ft 4.9 m
+ H = 60 ft Maximum
1 2
+ H = 20 ft Maximum
2
WARNING! Risk of Fire!
• HEIR36(NG/LP), HEIR42(NG/LP) and HEIR50(NG/LP) models
require a minimum of 36 inches of vertical venting before attaching
any elbow to the appliance for the venting configuration in Figure 4.7.
DO NOT attach elbow directly to the appliance.
H
1
V
1
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