Flue Options; Horizontal Flue Systems - Baxi Ecogen 24/1.0 Installation & Servicing Instructions Manual

Gas fired wall mounted condensing boiler and power generator
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NOTE: Horizontal flue pipes should always be installed with at least 1.5° fall from
the terminal to allow condensate to run back to the boiler.
This bend is equivalent to
1 metre
A
24
© Baxi Heating UK Ltd 2012
X
Horizontal
Flues
C
B
This bend is equivalent to
X
1 metre
Total equivalent length =
A+B+C+2x90°Bends

8.0 Flue Options

8.1
1. The standard flue is suitable only for horizontal
termination applications.
Y
2. All fittings should be fully engaged. The approximate
engagement is 40 mm. Use the lubrication provided in the
kit to aid assembly.
3. For long flue runs allow 5 mm per metre for expansion.
4. Maximum permissible equivalent flue lengths are:-
Horizontal Concentric (60/100) 5 metres
5. Any additional "in line" bends in the flue system must be
taken into consideration.
Their equivalent lengths are:-
Concentric Pipes:
(60/100)
The elbow supplied with the standard horizontal telescopic
flue kit is not included in any equivalent length calculations
NOTE: Flue length is measured from point X to Y as
shown.
IMPORTANT: All flue systems must be securely
supported at least once every metre. Suitable pipe
supports are available as accessories.
Y

Horizontal Flue Systems

135° bend
93° bend
0.5 metres
1.0 metres

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