kenmore   66517772990 dishwasher  checkvalves

ammarker used Ask the Experts™
I am reinstalling parts for this dishwasher.  It appears to have three check valve balls and not the two I expected.  One is smaller than the other.
In what order do I replace them?
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Moussa MokhtariEnterpreneur
Top Expert 2016

Hi ammarker,Could you provide us with photos .
Most Valuable Expert 2013
If you have the whole pump disassembled then you'll have three balls the two largest go together as a pair in the main check valve as shown in the link below.
JohnBusiness Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018
There should only be one check valve (to prevent dishwater from back flow to the water line. But there is also an inlet valve. I think the parts you might want are shown here.

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