W415-1708 / 07.04.17
EN
22
minimum venting requirements
3.4 vertical termination
10’
10’
15’
15’
20’
20’
30’
40’
5’
5’
6’
0 elbow zone
2 elbow zone
2-3 elbow zone
2-4 elbow zone
2-5 elbow zone
2-6 elbow zone
2-7 elbow zone
0’
0’
Base of
air collar
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.
CL38 / CL50