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CHIMNEY
SMOKE OUTLET DUCTS
The flue pipe is one of the key elements for the proper functioning of the stove. The best are those
made of steel (stainless or aluminized), due to the quality of the materials, resistance, durability
over time, ease of cleaning and maintenance.
To facilitate the connection to the rigid steel flue pipe, it is advisable to use telescopic unions
1.
which, in addition to facilitating the operation, also compensate for the thermal expansion of
both the hearth and the flue. fumes.
2.
It is recommended to block the duct to the stove terminal with silicone resistant to high
temperatures (1000⁰C).
In the case of the mouth of the smoke duct to an existing chimney that is not perfectly
3.
perpendicular to the smoke outlet of the fireplace, the connection of these must be made with
the corresponding inclined joint. The inclination, with respect to the vertical, may not exceed
45° and must not suffer narrowings. To do this, use must be made of approved 45° curves or
elbows or with a circular shape. In addition, it is required that the chimney flue of the stove has
as much vertical length as the existing chimney itself with outlet to the roof.
In case of passage through floors, it is necessary to interpose an insulating sleeve of 10 cm of
4.
thickness.
5.
IMPORTANT! It is absolutely necessary to insulate the flue along its entire length. The
insulation allows the temperature of the fumes to be kept high, to optimize draft, avoid
condensation and reduce the deposits of particles without burning on the walls of the
duct. To do this, use suitable insulating materials (glass wool, ceramic fiber,
incombustible materials of class A1). However, for those cases in which the duct is
exposed to the outside and can be manipulated, in accordance with the RITE state
standard, said duct must be insulated .
The smoke duct must be impervious to atmospheric agents and it is necessary to avoid too many
6.
changes in direction, for which in this case only 2 bends (elbows) of 45⁰ are allowed in the entire
installation.
7.
The use of non-approved flexible metal tubes is not permitted.
The minimum required length of standpipe is 6 m.
8.
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