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keepngoal t1_ixzjzhk wrote

does the hose from the DW connected to a newly installed garbage disposal? If so, the intake port will have a cap that needs punched out. Or...

Make sure the hose is installed in the correct way (flap opening away from water flow)?

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HashBandicoot93 OP t1_ixzpbrz wrote

No to garbage disposal, the flap separates the basin from the pump, the hoses don't have built in backflow stoppers. I'm about to hook the pump back on to the basin and test it without the takeaway hose, try to further isolate the problem.

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