hergom Besaya Instructions D'installation, De Service Et D'entretien page 63

g) The chimney should be one metre higher than the highest part of the house. If you
need to increase the draw, extend the length of the chimney.
Chimney covers must not affect chimney draw.
Industrias Herg m, S.A., with a view to ensuring the perfect performance of its
cookers, supplies painted and enamelled pipes, elbow joints and steel adaptors, based
on the measurements indicated in the catalogue.
Fig.-6
Fig.-7
Fig.-8
i) When the cooker is connected to a
brick-work chimney, we recommend the
use of a 90+ cast iron or steel elbow
joint. Make sure that the connection is
totally air-tight.
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