Bosch WFO 24.. Instruction Manual And Installation Instructions page 48

Water drainage
Drainage into a siphon:
Drainage into a wash basin
48
Caution
Do not bend or pull the water drainage hose.
Height difference between the placement area and
drainage point: maximum 100 cm.
1. Secure the connection point with a hose band clip
of 24-40 mm diameter (from specialist stores).
Caution
The plug must not block the drain of the wash basin.
1. Secure the water drainage hose so that it does not
slide out.
2. When water is being drained, check that the water
flow is fast enough.