Bosch WFR 2830 Instruction Manual And Installation Instructions page 67

Water drainage Caution
Do not bend or pull the water drainage hose.
Height difference between the placement area and
drainage point: maximum 100 cm.
Drainage into a siphon:
q Secure the connection point with a hose band clip
of 24-40 mm diameter (from specialist stores).
Drainage into a wash basin:
Caution
The plug must not block the drain of the wash basin.
q Secure the water drainage hose so that it does not
slide out.
q When water is being drained, check that the water
flow is fast enough.
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