- 17 -
The chimney flue must be made according to the best rules of the trade,
here are the most important ones:
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Minimum height 4 m
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The cross section must be neither too small (not less than the output cross
section of the equipment)
nor too large (risk of condensation and poor draught)
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The flue must be thermally insulated
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Avoid sloping parts, never exceed a slope of 45 ° and avoid any sharp bends
of direction (large curving radius)
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THE OUTPUT OF THE CHIMNEY AND ITS PLACEMENT ARE
VERY IMPORTANT
: ask for advice from a chimney expert (any device
which reduces the cross section at the output must be avoided)
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If there are obstacles near the output of the chimney, they must be taken into
account.
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Foresee later chimney sweepings
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Connect only one appliance per flue
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In case of a double flue:
* choose the best one
* seal the one that is not used
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In case of a lateral connection to an existing flue, make one of the following
assemblies: