Horizontal Termination - Napoleon Bayfield GDS25N-1 Installation And Operation Manual

venting requirements
EN
2.4

horizontal termination

39' 2"
30'
V
20'
15'
10'
5'
57"
24"
MINIMUM
4"
MAXIMUM
0'
Centre of
Base of Air
Collar
16
W415-2207 / B / 02.05.18
5'
10"
24"
0'
MAXIMUM
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.
5 1/2 elbow zone
4 1/2 elbow zone
3 1/2 elbow zone
10' 15'
H
* 1 1/2 elbows constitute the 45°
elbow directly off the appliance
and an additional 90° elbow.
2 1/2 elbow zone
1 1/2 elbow zone*
20'
25'