7
1.2 Chimney pot
The top of the chimney flue must be equipped with a device, called chimney pot, which facilitates
dispersion into the atmosphere of combustion products.
The chimney pot must meet the following requirements:
•
Its internal section and shape must be equivalent to that of the chimney flue.
•
Have a useful outlet section at least double that of the chimney flue.
•
The chimney protruding from the roof or which remains in contact with the outside (for example
in case of open loft), must be covered with brick elements and well isolated, it must be
constructed so as to prevent penetration into the flue of rain, snow, or foreign bodies and so
that, in the event of winds in any direction and at any angle, it assures the discharge of
combustion products (wind-proof chimney pot).
•
The chimney pot must be positioned so as to guarantee an adequate dispersion and dilution of
combustion products and, in any case, outside the zone of reflux. This zone can be of different
sizes and shapes depending on the angle of slope of the roof, so it is necessary to adopt the
minimum heights shown in
fig.4
and
fig.5.
•
The chimney pot must be of wind-proof type and exceed the height of the ridge,
fig.4
and
fig.5.
•
Any buildings or other obstacles that exceed the height of the chimney pot must not be close to
the chimney pot itself (
fig.4
).
Fig.3
Fig.4
Fig. 5
Summary of Contents for Idro TERMOBOILER Mini Series
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