Installation guide

Side Wall Vent Installation (Coaxial)
17
Component Installation Guide (continued)
Coaxial vent telescopic extension installation (sliding coupling)
Fig. 7 Coaxial vent telescopic
extension
The telescopic extension is used where
minor cutting or adjustment to the
length of the vent pipe is required. See
dimension “g” in table below.
Boiler model
a
in / mm
b
in / mm
c
in / mm
d
in / mm
e
in / mm
f
(max. insertion)
in / mm
g
in / mm
WB1B 26, 35
WB2B 9-19;
9-26, 9-35
2.4 / 60 4 / 100 0.4 / 10 7.9 / 200 9.6 / 245 1.2 / 30 min. 10.4 / 265
max. 16 / 405
WB2B
17-45; 17-60
3.1 / 80 5 / 125 0.4 / 10 7.9 / 200 9.6 / 245 1.2 / 30 min. 11/ 280
max. 15.5 / 395
WB2B
30-80;30-150
4/100 6 / 150 0.4 / 10 7.9 / 200 9.6 / 245 1.2 / 30 min. 11/ 280
max. 15.5 / 395
5368 815 v2.0 b
Øb
Øa
Øa
Øb
e
c
f
d
c
g