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Water drainage
ways:
is at least 60 cm from ground level.
Directly in a drainpipe: you are advised to use a
vertical 65 cm high pipe; in any case it should never
be shorter than 60 cm or longer than 90 cm.
The end part of the drain hose must always
be
ventilated, i.e. the internal diameter of the pipe must
be wider than the external diameter of the drain
hose.
The drain hose can be extended up to a maximum
length of 180 cm. Use an extension with an internal
diameter
at least equal to the diameter
of the
original
hose
and
a suitable
fitting. The
hose
extension will run along the floor and only the part
near the drainage point will be raised.
Levelling
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