33
Right
Not right
bel
ow
5m
Low
e
r
as
t
he
top of
t
he r
o
of
Tightening cross section
of the chimney because
the smoke tube is pushed
into the chimney too much
Obstruction because
the smoke tubes are
led as facing each
other
Faulty draught
because a
fire-place’s
door (not in use)
is open
False air because of
an open tube joint
False air
because of a
leaky tube joint
False air because
of open
fireplace door
min.50cm
min.30cm
