Napoleon Vector Serie Manuel D'installation page 21

minimum venting requirements example - natural gas
(NATURAL GAS ONLY)
90°
V
90°
H
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
10 feet and a combined vertical vent length (V ) of 8 feet.
Since the vent is located in the dark shaded area, it is within the acceptable vent configuration
40'
30'
H
2
2
V
20'
1
15'
Base of
air collar
10'
5'
4 3/4"
(57")
V
1
0'
Base of
air collar
V = V
H = H
1-3 elbow zone 1-3 elb b o b w z w zo z ne
H H H H
H H H H
1 1 2 2
5'
0'
+ V = 8 ft
1 2
+ H = 10 ft
1 2
n
V V V V
2 2 2 2
10' 15'
H
W415-2034 / C / 04.21.21
EN
20'
21