Bosch WFVC VISION 16 Repair Instructions page 12

4.2.5 Pressure switch
The water level system consists of a pressure switch, which reliably
measures water levels.
The pressure switch is removed from the top of the washer, next to
the drain hose – remove top panel for access.
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The pressure switch (brown) has (3) switching positions:
• Water level < level 1 (1 – 1.6 gal. / 4 – 6 l)
• Water heating level (4 – 4.5 gal. / 15 – 17 l)
• Overflow level (15 gal. / 57 l)
As
absorbed by the laundry fills the
sump. As the water level rises into
the pressure chamber, it increases
the air pressure in the chamber, which
is sensed by the pressure switch.
The
resulting
determines the water level.
the washer fills, water
washer control reads
signal and accurately
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