Question about GE 24 in. Profile PDW7800 Built-in Dishwasher
It seems to be backing up through the garbage disposal and not going down the drain,is there a check valve in line ?
This happens when the dishwasher is not running !
There is a check valve but it is not strong enough to overcome a large amount of water or waste water and is not a 100% seal. You will need to have your house drain cleaned so the water in the sink and disposer drain out properly.
To keep waste water from entering the dishwasher if you have drain problems in the future you can install an air gap. You can purchase an air gap at most any hardware or Big Box outlet, they come with instructions for installing and are a good idea if you have problems like this.
Posted on Apr 25, 2010
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Posted on Jan 02, 2017
Hi, If your dishwasher drain line is attaching to the disposer than you'll need to insure the "knock out" in the disposer upper end bell where the drain connect's is indeed knocked out. You can do this by removing the d/w drain at the disposer, then reaching in with a long screw driver and with the palm of your hand give it a quick firm punch. Once the knock out pop's out you'll need to reach in the garb and remove the piece of plastic from the knock out. This is a common step overlooked, so if that is the only problem don't be embarrassed, I see it at least once a month or more. Let me know if I can assist you further. Thanks for coming to "fixya" for your solution's. If you found this helpful please allow a second for a positive rating, if it wasn't helpful let me know and I'll try to expand on possible causes and remedies. Good luck. macmarkus :)
Posted on Mar 24, 2010
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