Bosch WAT28400TC Use And Care Manual page 16

Sink siphon
Secure the drain hose to the sink siphon using a Ø 0.9 -
1.6 in. (20-44 mm) hose clip (available from a hardware
store).
Wash Basin
WARNING
9
SCALDING
When washing at high temperatures, there is a risk
of scalding if you touch hot suds, e.g. when
pumping out hot suds into a wash basin.
Do not reach into the hot suds.
Note: APPLIANCE DAMAGE/DAMAGE TO TEXTILES
If the end of the drain hose touches the discharge water
(water drained from washer) it (the discharge water) can
be sucked back into the appliance and may damage the
appliance or textiles.
Make sure that:
There is no stopper in the sink drain.
▯
The end of the hose does not touch the discharge
▯
water.
The sink drain is free flowing and not partially
▯
clogged.
Attach the drain hose securely to the wash basin.
NOTICE: In any multi-story installation, the washer
should be installed on a drained floor to prevent water
damage to rooms below in the event of a leak.
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