INSTALLATION INSTRUCTIONS
TR05A153.B1107
33
4.8.9 Twin Pipe flue system – Ø 80/80 (Kit H)
FOR CONDENSING BOILERS ONLY
Ø80/80
MAXIMUM FLUE LENGTH = 40 m *
The flue length is the total length of
both
the intake and exhaust sections
excluding
the first bend of each
.
The total length is calculated by summing
the lengths of all the straight section AND
the equivalent lengths of each bend (see
below).
Ø 80 x 90° bend = 1.5 m
Ø 80 x 45° bend = 1.2 m
Figure 29: Ø 80/80 Twin Pipe Kit H
Figure 30: Ø 80/80 Twin Pipe Kit H dimensions
107
55.5
G
64.5
HR
78
70
HWO
80
CWI
102
HF
224
8
0
8
0
160
9
7
0
225
450
130
8
3
0
8
0
330
