Hergom H-03/70 Instrucciones Para Instalación, Uso Y Mantenimiento página 25

g) It is very important that the chimney exceeds the highest part of the house by
one metre. If it is necessary to increase the pull, the height of the chimney must be raised.
h) Make sure the caps do not make the pull difficult.
i) Clean the chimney at least once a year.
j) The joint of the tubing which form the chimney, in the case of single metal
tubing, must be sealed with fireproof filler.
Chimney cover
Incorrect
Incorrect
Smoke
outlet
(cover)
Paper and
damp straw
Fig.-8
At least 1
metre higher
Fig.-9
Correct
Fig.-10
Fig.-11
Correct
Same as
diameter at
least