Table of flue gas exhaust duct lengths
COAXIAL SYSTEM
FLUE TYPE
C13
Flue gas exhaust and air
suction duct through
external wall in the same
range of pressure
C 33
Flue gas exhaust and
air suction duct from
outside with roof
terminal in the same
range of pressure
C43
Individual or shared
flue gas exhaust and
air suction through flue
ducting built into the
building
MAX
DIAMETER
LENGTH
of PIPE
1 m
60/100
4
36 m
80/15
10 m
60/100
30
30 m
80/15
6 m
60/100
38
18 m
80/15
1 m
60/100
4
4 m
80/15
10 m
60/100
30
35 m
80/15
8 m
60/100
38
1 m
80/15
1 m
60/100
4
0 m
80/15
10 m
60/100
30
0 m
80/15
8 m
60/100
38
0 m
80/15
installation
EQUIVALENT
LENGTH
45°
90°
0,5 m
1 m
3