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.