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Optimax 25 OV
Condensate discharge
Where possible the condensate should discharge into an internal soil pipe or waste system. The minimum
pipe diameter required is 22 mm, a trap has already been fi tted to the appliance with a fl exible tail to
facilitate the connection to the condensate discharge pipe.
The pipe should be a solvent weld plastic, not copper, as the condensate has a ph value of 4 (slightly
acidic).
Where it is not possible to terminate internally, the condensate discharge pipe may be run outside (see
below drawing).
Any external run is subjet to freezing, in severe weather conditions. To avoid this the pipework should
be installed to dispose of the condensate quickly, with as much as possible run internally, before passing
through the wall.
Pipework external to the building should be increased in diameter to 32 or 40 mm solvent weld. It should
be run to a external drain or soakaway, with a maximum lenth of 3 metres.
If a soakaway (condensate absorption point) is used, it should be constructed as shown below.
Internal
Note As an alternative you can use a purpose made soakaway such as the M
SOAK1GR. This only requires the limestone chippings and the waste pipe from the the appliance
to the soakaway.
External
32/40mm Solvent pipework
Cement motar seal
25mm
100mm Dia tube
Lime stone chippings
Hole depth 400mm
fi g. 15
Ground level (either/Or)
2 x 10 mm holes
3 holes per row
Bottom sealed
c
Alpine one, code
23
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