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4.0
Notes:
(a) The Condensate trap inside the boiler casing must be manually filled with water after installing the boiler (i.e. before the first firing)
and before commissioning the system.
(b) Failure to install the condensate discharge pipework correctly will affect the reliable operation of the boiler.
Figure 4.11
(a) connection to an internal soil and vent pipe
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minimum fall
(i.e. 1:0)
450mm minimum
(c) Termination to a soak-away
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minimum fall
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Holes in the soak-away must
face away from the building
Note: If the waste pipe connects into a soil and waste pipe the boiler must be fitted above the flood over level of a suitable sanitary
•
fitting or the condense pipe must incorporate a tundish to prevent a backup in to the boiler in the case of a drain blockage.
SYSTEM DESIGN AND PLANNING INFOrMATION
500mm
>
(b) Termination to drain or gully
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minimum fall
Pipe must terminate above water level
but below surrounding surface
(d) External termination via internal waste discharge branch
W.H.B.
o
minimum fall
(i.e. 1:0)
Pipe must terminate above water level
but below surrounding surface
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