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Sump parts
Sump
The sump contains a filter screen, large item (coarse) filter and micro filter.
The sump holds the drain pump cover and check valve.
Backflow (check) valve
The backflow (check) valve is located in the bottom of the sump near the
circulation pump inlet. It prevents waste water from entering the sump.
The valve material is clear, material doesn’t swell and provides improved
seating after many uses. Part # is 165262.
TIP: When washability issues arise, replace check valve along with other
repairs.
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New valve
Old valve