Heatilator HEIR36H Owner's Manual page 28

Two Elbows
Note: Flue restrictor is permit-
ted ONLY on 30 ft. minimum
vertical runs with no elbows.
H
2
HEIR36 (NG/LP), HEIR42 (NG/LP),
HEIR50 (NG/LP)
V Minimum
1
3 ft 914 mm
4 ft 1.2 m
5 ft 1.5 m
6 ft 1.8 m
7 ft 2.1 m
8 ft 2.4 m
9 ft 2.7 m
10 ft 3.0 m
V + H
1 1
H + H
1
Figure 7.4
28
INSTALLED
HORIZONTALLY
H + H
1 2
18 in 457 mm
3 ft 914 mm
7 ft 2.1 m
10 ft 3.0 m
14 ft 4.3 m
16 ft 4.9 m
18 ft 5.5 m
20 ft 6.1 m
+ H = 60 ft Maximum
2
= 20 ft Maximum
2
Heatilator • HEIR36, HEIR42, HEIR50 • 2285-900 Rev. F • 11/12
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 confi guration in Figure 7.4.
DO NOT attach elbow directly to the appliance.
H
1
V
1