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minimum venting requirements - natural gas
EN
(NATURAL GAS ONLY)
90°
90°
V
1
V and H are measured from the center of the vent elbows
This example represents a vent that has a maximum of three 90º elbows, a combined horizontal vent length (H ) of
Since the vent is located in the dark shaded area, it is within the acceptable vent configuration
22
W415-2035 / C / 04.30.21
H
2
V
2
V
20'
H
1
Base of
air collar
4 3/4"
(57")
V
0'
Base of
air collar
10 feet and a combined vertical vent length (V ) of 8 feet.
40'
30'
1-3 elb b o
1-3 elbow zone
b w z
15'
10'
H H H
H
1
1
5'
1
5'
0'
V = V
+ V
= 8 ft
1
2
H = H
+ H
= 10 ft
1
2
Refer to appliance
specific GPV/
PVA instructions
for other venting
configurations.
w zo
z ne
n
H
H H H
2
2
V
V V V
2
2 2 2
10'
15'
H
20'
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