Heatilator HEIR36H Owner's Manual page 32

2. Top Vent - Vertical Termination - (continued)
Three Elbows
Note: Flue restrictor is permit-
ted ONLY on 30 ft. minimum
vertical runs with no elbows.
V
2
H
2
Figure 7.9
32
H
1
INSTALLED
HORIZONTALLY
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 24 inches of vertical venting
before attaching any elbow to the appliance.
DO NOT attach elbow directly to the appliance.
HEIR36 (NG/LP), HEIR42 (NG/LP), HEIR50 (NG/LP)
V H
1 1
2 ft 610 mm *
3 ft 914 mm *
4 ft 1.2 m *
5 ft 1.5 m *
6 ft 1.8 m *
7 ft 2.1 m *
10 ft 3.0 m *
*H and H has no specifi c restrictions EXCEPT,
1 2
after V = 6 ft, then H
1
**V H
T +
V
1
H V H Max.
2 2 t
* ** 7 in 178 mm
* ** 2 ft 610 mm
* ** 4 ft 1.2 m
* ** 8 ft 2.4 m
* ** 12 ft 3.7 m
* ** 14 ft 4.3 m
* ** 20 ft 6.1 m
Max = 2 x V
t 1
= 60 ft Max.
T