Alpha CD25C Installation And Servicing Instructions page 8

HORIZONTAL FLUE OPTIONS - L
L = B + C + 225 mm
L = B + E + F + 225 mm + (90° bend = 1.3 metre)
(add 40 mm to 'F' if a jig is used)
VERTICAL FLUE OPTIONS
Not less than
300 mm
H
Alpha CD25C/28C/35C - General Boiler Information
8
= 12 metres
max
B
C
B
F
E
Not less than
300 mm
Hmax = 15 m
L = B + C + E + 225 mm
E
L = B + C + 225 mm + (2 x 45° bends = 1.8 metre)
Not less than
300 mm
H
Hmax = 13.2 m
Fig. 3
B
C
C
B
Not less than
300 mm