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INSTALLER
"FORCED/OPEN INSTALLATION" (TYPE B23P/ B53P)
Boiler gas vent flue (Ø 80)
The vent flue can be oriented in whatever direction is
most convenient for the room. In this configuration, a
Ø 60-80 mm adapter must be fitted in order to connect
the boiler to a Ø 80 mm vent pipe.
9
In this type of installation, comburent air is drawn
from inside the boiler room, which must therefore
have adequate ventilation.
9
Uninsulated flue pipes are potentially dangerous
and can cause burns.
9
Ensure that the flue gas vent pipe has a 1% slope
towards the boiler.
9
The boiler automatically adapts its ventilation sy-
stem to suit the type of installation and the length
of the flue.
Maximum length of flue
gas vent pipe (Ø 80) (m)
80 (20 ISC Solar)
47 (30 ISC Solar)
34
Pressure drop (m)
45° bend
90° bend
0,5
0,8
0,5
0,8
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