Napoleon Vector Series Installation Manual page 20

minimum venting requirements example - natural gas
EN
(NATURAL GAS ONLY)
90°
90°
V
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
20
W415-2034 / A / 10.18.19
H
2
V
2
H
1
1
Base of
air collar
4 3/4"
(57")
0'
Base of
air collar
10 feet and a combined vertical vent length (V ) of 8 feet.
40'
30'
V
20'
1-3 elbow zone 1-3 elb b o
15'
10'
H H H H
1 1
5'
V
1
5'
0'
V = V + V = 8 ft
1 2
H = H + H = 10 ft
1 2
b w z w zo z ne n
H H H H
2 2
V V V V
2 2 2 2
10' 15'
H
20'