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KITKAT  
#1 Posted : Sunday, December 9, 2007 1:20:41 PM(UTC)
KITKAT

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Joined: 12/9/2007(UTC)
Posts: 1

Hello,

I have a whirlpool quiet plus and it doesn't drain out completely. I have replaced the drain hose and that didn't solve the problem. I'm thinking that I need to replace the check valve but tech repair can't tell what the check valve does. Is it a back flow preventer?

Thanks

kitkat
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Gene  
#2 Posted : Monday, December 10, 2007 11:09:22 AM(UTC)
Gene

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Most likely the problem is a clogged or broken check valve (#15 on the pump & motor break down diagram).

Yes, the check valve is a safety devise to prevent a back up.

- Here are the break down diagrams for the Whirlpool dishwasher Model DU8700XY1

Gene.
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