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W415-1710 / B / 08.17.18
EN
20
minimum venting requirements - natural gas
0’
0’
Base of
air collar
10’
10’
15’
15’
20’
25’
20’
30’
40’
5’
4 7/8’
(58 1/2”)
1 1/2’
(18”)
4’
(48”)
5’
1 elbow zone
1-2 elbow zone
1-3 elbow zone
1-4 elbow zone
1-5 elbow zone
1-6 elbow zone
H
V
V+H ≤ 40 ft. (For longer vent runs, a power
vent is required).
H ≤ 20 ft.
V + H are measured from the centre of vent
elbows. Elbows are considered as 90º.
Two 45º elbows = One 90º elbow.
38 1/2’
(462”)
LVX62/ LVX74 SEE-THRU
(NATURAL GAS ONLY)