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6. Flue System
WARNING
Improper flue of the boiler can result in excessive levels of
carbon monoxide, which can lead to severe personal injury.
Flue should be performed only by a licensed professional.
No specific ventilation is required in the room the boiler is
installed in. If it is installed in a cupboard or compartment, no
specific ventilation is required, providing the aforementioned
dimensions are observed. The flue gas outlet and air supply
installation must comply with the current regulation
requirements in accordance with BS 5440 Part 1 and 2 and any
other applicable legislation in this field must be observed.
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Flue System
6.1 Flue Terminal Positions
CAUTION
The terminal must be fitted with suitable protection if it
●
is less than 2 m from a balcony, on a flat roof or surface
that could be accessed by people.
The wall that the gas removal and air intake ducts are
●
fixed to must not be made of combustible or flammable
materials. The wall that the end of the duct passes
through must lead to the outside of the home. There
must be no hazardous materials or obstructions near the
duct.
If the outlet passes through a wall made of combustible
●
material the end terminal must be covered with at least
20 mm of incombustible material and must maintain a
distance of at least 50 mm from any flammable material.
The parts connecting the flue outlet must be correctly
●
joined using sealing gaskets. Ensure that there are no
leaks from any part of the removal circuit.
Switch off the boiler and wait for the pipes to cool down
●
before cleaning the gas removal and air intake ducts.
The gas removal and air intake ducts must be protected
●
from snow accumulation.
The installation of the flue exhaust and combustion air intake
system must be calculated and installed by a sufficiently
qualified person. On designing and mounting the installation,
the flue gas exhaust outlet and air supply installation must
comply with the current regulation requirements in accordance
with BS 5440, any other applicable legislation and stipulations
applicable at the time of installation must be taken into account.
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