Kenmore 630.13952 Manual page 24

COMPONENTS
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.
New valve
TIP: When washability issues arise, replace check valve along with other
repairs.
702_58300000149896_ara_en_b
Old valve