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  • Dishwasher not next to the sink

    Have a question for you guys.

    I am doing a remodel and the dishwasher is not going to be next to the sink and going to be about 7' away.

    The dishwasher is my farthest run from the main.

    Question, what is the best way to plumb this drain in. I fall under UPC code.

    Do you run a stack next to the dishwasher in a cabinet?

    Also, is there a need to trap it, due to the dishwasher already being trapped?

    The closest vent is at the kitchen sink, 2".

    I have presented this question to a few local plumbers and get mixed answers. Just want to know how you guys would do it.

    Thank you in advance,
    Ty
    Anyone can tear a man down, few can build one up.

  • #2
    Re: Dishwasher not next to the sink

    In Illinois, we can extend the d.w. drain hose and run it thru the cabinets.

    Comment


    • #3
      Re: Dishwasher not next to the sink

      Our code would call for it to have it's own vented trap, with a two inch vent being more than sufficient.

      Comment


      • #4
        Re: Dishwasher not next to the sink

        Is it in a bank of cabinets which connect to a sink cabinet? If so, run it through the back of each one until you reach the sink cabinet. If not you can run it in copper below the floor (assuming it's a crawlspace). There's nothing in UPC (any addition) that contradicts the above.

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        • #5
          Re: Dishwasher not next to the sink

          Run it to the garbage disposal.
          Buy cheap, buy twice.

          Comment


          • #6
            Re: Dishwasher not next to the sink

            Originally posted by gear junkie View Post
            Run it to the garbage disposal.
            That's a code violation in Illinois.

            Comment


            • #7
              Re: Dishwasher not next to the sink

              I'm with Plumbus. Through the floor if it's easier than through the cabinets.

              I built my own cabinets, so was able to run through them as part of the design. I have always used 5/8" heater hose, now dishwasher hose that's identical.

              Comment


              • #8
                Re: Dishwasher not next to the sink

                Originally posted by Killertoiletspider View Post
                That's a code violation in Illinois.
                Never would've believed it. Any reason why?
                Buy cheap, buy twice.

                Comment


                • #9
                  Re: Dishwasher not next to the sink

                  Originally posted by gear junkie View Post
                  Never would've believed it. Any reason why?
                  Hot water should never be used in a garbage disposal, it even tells you that in the owners manual.

                  Comment


                  • #10
                    Re: Dishwasher not next to the sink

                    UPC will let you either extend the hose through the cabinets and connect as usual under the kitchen sink. (don't forget the vaccuum breaker) or run it to a trap beneath the floor. (don"t forget the vaccuum breaker)
                    sigpic

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                    • #11
                      Re: Dishwasher not next to the sink

                      Originally posted by Killertoiletspider View Post
                      Hot water should never be used in a garbage disposal, it even tells you that in the owners manual.
                      I think the manuals state to not use hot water while USING the garbage disposal.

                      J.C.

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                      • #12
                        Re: Dishwasher not next to the sink

                        Originally posted by gear junkie View Post
                        Never would've believed it. Any reason why?
                        Perfect situation for a flood. Too many times, food is put into the disposal, and not ground up. Dishwasher runs, drains...water all over!

                        Comment


                        • #13
                          Re: Dishwasher not next to the sink

                          It is on a crawl space so, I think I will trap it below the floor. Just wondering how some of you guys do it.
                          Anyone can tear a man down, few can build one up.

                          Comment


                          • #14
                            Re: Dishwasher not next to the sink

                            Everyone here runs it to the garbage disposal. I learned something new from you guys. Thanks.
                            Buy cheap, buy twice.

                            Comment


                            • #15
                              Re: Dishwasher not next to the sink

                              Originally posted by Killertoiletspider View Post
                              Hot water should never be used in a garbage disposal, it even tells you that in the owners manual.
                              If you can't run it through the disposal, why do they provide a 3/4" waste inlet at the top of disposals?

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