INSTALLATION INSTRUCTIONS
TR05A153.B1107
30
4.8.5 Vertical coaxial balanced flue – Ø 80/125
FOR CONDENSING BOILERS ONLY
Ø80/125
MAXIMUM FLUE LENGTH = 5 m *
The total length is calculated by summing
the lengths of all the straight section AND
the equivalent lengths of each bend (see
below).
Ø 60/100 x 90° bend = 0.8 m
Ø680/100 x 45° bend = 0.5 m
* If a flue length of above 5 metres is
required, use the Twin Pipe system.
Figure 24: Ø 80/125 Vertical Kit
Figure 25: Ø 80/125 Vertical Kit dimensions
107
m
a
x
.
5
.0
0
m
t.
=
=
450
330
8
3
0
160
Ø80
Ø125
Ø80
Ø125