How to fix a dishwasher that drains but later fills up with water even while it’s off

Dave writes:

Whirlpool dishwasher model# du1100xtps8. It drains through hose into disposal but later drains back into washer and onto floor.

Click the play button in the audio player at the end of this post to hear my reply.

Part link to the water inlet valve ==> http://www.repairclinic.com/PartDetail/Water-Inlet-Valve/W10158389/1481085?modelNumber=DU1100XTPS8

To learn more about your dishwasher, or to order parts, click here.

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