29
Right
Not right
min.50cm
mi
n.
5m
b
elow
5m
Lowe
r as
the
to
p
of th
e ro
o
f
min.30cm
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
Correct
Incorrect
min.50cm
min.5m
below
5m
Lower
a
s
the
to
p
of th
e ro
of
min.30cm
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, be-
cause a open
fire-place door
