It is recommended that the ue system not exceed 7 metres in length and that no
more than 2 bends be used. Subtract one metre for every 90° bend and 500ml for
every 45° bend.
Condensing boiler model : NHC25B/30B/41B
Flue Installation
Allowing combustion gas to re-enter the
boiler room can result in a build up of
carbon monoxide, which could result in
poisoning. Saturn recommends the
installation of a suitable carbon monoxide
detector on all installations.
CAUTION
VENTILATING OPENING
10˚ OVER
300mm OVER
AIR INLET
FIREPROOF INSULATION
MATERIAL
150mm OVER
FIREPROOF INSULATION
MATERIAL
FIRE WALL, SEMI FIRE WALL
The flue should be installed at an angle of no more than 10°. The flue should be
made
from heat-resistant non-corrosive material.
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