Flue Options - Baxi Platinum 2 Combi 28 GA Installation & Servicing Instructions Manual

Plume Displacement Kit 60 /100 dia
1M Extensions 45° & 93° elbows
are also available - see the separate
Flue Guide.
NOTE: Horizontal flue pipes should always be installed with a fall of at least 1.5°
from the terminal to allow condensate to run back to the boiler.
This bend is equivalent to
1 metre
A
© Baxi Heating UK Ltd 2011
Horizontal
Flues
C
B
This bend is equivalent to
(i) 1 metre
Total equivalent length =
A+B+C+2 x 90°Bends

8.0 Flue Options

8.1 Horizontal Flue Systems
1. The standard flue is suitable only for horizontal
termination applications.
(ii)
2. All fittings should be fully engaged. The approximate
(i)
engagement is 40mm. Apply the lubricant supplied to the
seal on each fitting to aid assembly.
3. Maximum permissible equivalent flue lengths are:-
Horizontal Concentric
4. Any additional "in line" bends in the flue system must be
taken into consideration.
Their equivalent lengths are:-
Concentric Pipes:
5. 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 (i) to (ii) as
shown.
IMPORTANT
SUPPORT - All flue systems MUST be securely
supported a MINIMUM of once every metre. It is
recommended that every straight piece is supported
irrespective of length. Additional supports are available
as accessories.
VOIDS - Consideration must be given to flue systems
in voids and the provision of adequate access for
subsequent periodic visual inspection.
6. Read this section in conjunction with the Flue Installation
Guide supplied with the boiler.
(ii)
(60/100) (80/125)
10 metres 20 metres
135° bend 0.5 metres
93° bend 1.0 metres
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