minimum venting requirements
EN
3.4
vertical termination
note:
A 6' minimum vertical rise
is considered the minimum
practical dimension for the
specifi c appliance enclo-
sure and a minimal build-
ing structure. However, a
greater minimum vertical
rise may be needed to suit
the specifi c application
constraints or local codes
and / or regulatory require-
ments.
22
W415-2033 / B / 02.04.20
L38 / L50
40'
0 elbow zone
30'
20'
15'
10'
6'
5'
0'
Base of
air collar
0'
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.
2-7 elbow zone
5'
10'
2-6 elbow zone
2-5 elbow zone
2-4 elbow zone
2-3 elbow zone
2 elbow zone
20'
15'