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Venting Option
Equivalent Vent Length
Vent length "a"
22
Equivalent vent length
Boiler model
Maximum vent
length
5" vent system
6" vent system
Minimum vent
length
5" vent system
6" vent system
Do not exceed the maximum vent length.
a
Ceiling opening information
Boiler model
HWB2 6-24C
HWB2 6-24
HWB2 8-32
HWB2 11-44
HWB2 15-60
Vertical vent termination
for boiler models WB2 6-24C,
6-24 and 8-32
g
Dimensions
a 47" / 1190 mm
b 28" / 713 mm
c 21¾" / 552 mm
d 3" / 80 mm
e 4¼" / 110 mm
f 5" / 125 mm
g Coaxial adaptor
4¼ to 5" /
110 to 125 mm
6-24C
ft./m
33/10
ft./m
ft./m
ft./m
Opening Ø
1
5
/
"/130 mm
8
3
6
/
"/160 mm
8
d
f
d
e
d
f
6-24
8-32
11-44
33/10
27/8
--
--
--
33/10
3.9/1.2 (all models)
for boiler models WB2 11-44 and 15-60
d
e
f
Dimensions
a 47" / 1190 mm
b 30½" / 779 mm
c 21¾" / 552 mm
d 7" / 177 mm
e 4¼" / 110 mm
f 6" / 150 mm
15-60
--
--
20/6
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