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Heat & Glo • TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12
H
2
H
1
INSTALLED
HORIZONTALLY
V
1
Figure 7.4
Two Elbows
TRUE-36 (NG/LP), TRUE-42 (NG/LP),
TRUE-50 (NG/LP)
V
1
Minimum
H
1
+ H
2
3 ft 914 mm 18 in 457 mm
4 ft 1.2 m 3 ft 914 mm
5 ft 1.5 m 7 ft 2.1 m
6 ft 1.8 m 10 ft 3.0 m
7 ft 2.1 m 14 ft 4.3 m
8 ft 2.4 m 16 ft 4.9 m
9 ft 2.7 m 18 ft 5.5 m
10 ft 3.0 m 20 ft 6.1 m
V
1
+ H
1
+ H
2
= 60 ft Maximum
H
1
+ H
2
= 20 ft Maximum
Note: Flue restrictor is permit-
ted ONLY on 30 ft. minimum
vertical runs with no elbows.
WARNING! Risk of Fire!
• TRUE-36(NG/LP),TRUE-42(NG/LP) and TRUE-50(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.