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  • Drain new dishwasher into garbage disposer or existing trap?

    A 3/4" copper pipe, shaped like an "inverted J", is clipped to the underside of the countertop.
    It empties into a PVC standpipe with its own P-trap.
    If draining the dishwasher through the garbage disposer, the disposer could be turned on and cleaned well.

    Thank you.
    Last edited by Robert Gift; 03-31-2012, 06:51 AM.
    I'd take an educated guess - but I'm unqualified.
    It ain't just soot, it's paydirt.
    "I swear, wherever Gift goes, argument follows." -Youtube comment

  • #2
    Re: Drain new dishwasher into garbage disposer or existing trap?

    Is there a question here? What is a J trap? ( I have heard of P traps and S traps, never J traps. Not near P or J on the keyboard, probably not a typo) Pictures needed.
    Last edited by rjniles; 03-30-2012, 06:33 PM.

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    • #3
      Re: Drain new dishwasher into garbage disposer or existing trap?

      Into the disposal is the best way
      The stand pipe under the sink is a over flow waiting to happen !

      Comment


      • #4
        Re: Drain new dishwasher into garbage disposer or existing trap?

        Originally posted by rjniles View Post
        Is there a question here? What is a J trap? ( I have heard of P traps and S traps, never J traps. Not near P or J on the keyboard, probably not a typo) Pictures needed.
        A 3/4" copper pipe rises and attaches to (hangs from) the underside of the countertop.
        Then it curves down and empties inside a PVC standpipe with its own P-trap.
        Would attaching the dishwasher drain line to the garbage disposer be a better idea? The hot dishwasher effluent would wash outhe garbage disposer and sink pipes.
        This GE dishwasher has a one-wayalve athe pump into the discharge line.
        Last edited by Robert Gift; 03-31-2012, 06:50 AM.
        I'd take an educated guess - but I'm unqualified.
        It ain't just soot, it's paydirt.
        "I swear, wherever Gift goes, argument follows." -Youtube comment

        Comment


        • #5
          Re: Drain new dishwasher into garbage disposer or existing trap?

          Originally posted by Robert Gift View Post
          A 3/4" copper pipe rises and attaches to (hangs from) the underside of the countertop.
          Then it curves down and empties inside a PVC standpipe with its own P-trap.
          Would attaching the dishwasher drain line to the garbage disposer be a better idea? The hot dishwasher effluent would wash outhe garbage disposer and sink pipes.
          This GE dishwasher has a one-wayalve athe pump into the discharge line.
          It's a bent pipe, similar to an automatic washer drain hose.

          Comment

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