Heatilator HEIR36H-IFT Installation Manual page 27

2. Top Vent - Vertical Termination - (continued)
2 ELBOWS
Figure 4.14
Heatilator • HEIR36-IFT, HEIR42-IFT, HEIR50-IFT Installation Manual • 2458-980 Rev. B • 8/17
WARNING! Risk of Fire!
• HEIR36(NG/LP), HEIR42(NG/LP) and HEIR50(NG/LP) models
DO NOT attach elbow directly to the appliance.
V
2
H
1
require a minimum of 24 inches of vertical venting before attaching
any elbow to the appliance.
HEIR36 (NG/LP), HEIR42 (NG/LP), HEIR50 (NG/LP)
2 ft
3 ft
4 ft
5 ft
6 ft
*No specific restrictions on this value EXCEPT
V
1
V H
1 1
610 mm 1 ft 305 mm
914 mm 3 ft 914 mm
1.2 m 4 ft 1.2 m
1.5 m 9 ft 2.7 m
1.8 m 12 ft 3.7 m
V
+ V + H = 50 ft (15.2 m) Max.
1 2 1
After V = 6 ft, then H Max.= V
1 1
V
2
*
*
*
*
*
x 2
1
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