Hergom MALLORCA Instrucciones Para Instalación, Uso Y Mantenimiento página 37

g) It is vital that the chimney is at least one metre higher than the highest part
of the house. If the draft needs to be increased the chimney must be higher.
h) The cowls must not impede the draft.
Incorrect
i) Clean the chimney at least once a year.
j) If simple, metal pipes are used the joins must be sealed with heat resistant
putty.
Incorrect
Fig.-8
At least
1 metre higher
Correct
Fig.-9
Correct
Fig.-10
Fig.-11
37
At least the same
as the diameter