W415-1708 / 07.04.17
EN
20
minimum venting requirements
3.3 horizontal termination
0’
0’
10’
10’
15’
15’
20’
25’
20’
30’
40’
5’
3.875’
(46”)
1.5’
(18”)
1.25’ (15”)
38’ 6”
5’
1 elbow zone
1-2 elbow zone
1-3 elbow zone
1-4 elbow zone
1-5 elbow zone
1-6 elbow zone
V+H ≤ 40 ft.
H ≤ 20 ft.
V + H are measured from the centre of vent
elbows. Elbows are considered as 90º.
Two 45º elbows = One 90º elbow.
H
V
CL38 / CL50