f)
The internal walls must be
perfectly smooth and free from
obstacles.
Avoid bottlenecks where pipes
join to the brick chimneys.
Fig.-3
f)
It is very important
that the
joints in the pipes be well sealed to
prevent the uncontrolled inflow of air.
Fig.-4
In order to verify the air-tightness of the
chimney, you may:
- Cover the outlet on the roof.
- Introduce damp paper and straw at
the bottom of the chimney and light it
up.
- Watch for possible cracks through
which smoke leaks out and seal
them.
Fig.-5
g
) It is important
that the
chimney extends one metre
above the highest part of the
house. It you require greater
draw, a solution could be to
increase the height of the
chimney.
Fig.-6
i)
Chimney covers must not
affect chimney draw.
Fig.-7
Industrias
Hergóm, S.A.., with a view to
ensuring the perfect performance of its
cookers, supplies pipes, elbow joints
and
adaptors,
based
on
the
measurements indicated in the relevant
catalogue.
i) When the cooker is connected to a
brick-work chimney, we recommend
the use of a 90º cast iron or steel
elbow joint. Make sure that the
connection is totally air-tight.