Benchmark Alpha E-Tec Plus 28 Installation And Servicing Instruction page 13

HORIZONTAL FLUE OPTIONS - Lmax - 12 metres
12 m
A
L = A + B + (90° bend = 1.3 metre)
VERTICAL FLUE OPTIONS
H
Hmax = 14 m
B
Fig. 4.1
Not less than
300 mm
Fig. 4.2
Alpha E-Tec Plus 28, 33 and 38 - General Boiler Information
B
L = A + B = 12m max.
L = A + (2 x 45° bends = 1.8 metre)
H
Hmax = 12.2 m (14 m - 1.8 m)
A
A
Not less than
300 mm
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