Installation guide

Vertical Vent Installation (Coaxial)
27
Component Installation Guide (continued)
Coaxial vent telescopic extension installation
Fig. 20 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
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
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
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
Øb
Øa
e
f
c
d
c
g