minimum venting requirements
EN
3.3
horizontal termination
40'
38' 6"
30'
V
20'
15'
10'
5'
1.25' (15")
0'
0'
20
W415-2033 / B / 02.04.20
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.
5'
1.5'
3.875'
(18")
(46")
L38 / L50
1-6 elbow zone
1-5 elbow zone
1-4 elbow zone
1-3 elbow zone
10'
15'
H
1-2 elbow zone
1 elbow zone
25'
20'