Waste Pipe Sizing

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    • #278880
      adam typinski

      What are the rules dictating waste pipe sizing? I have to run a kitchen sink drain close to 25 feet. Is 2″ sufficient?

    • #299504

      No you should be using 100mm pipe until you are above floor level then you can reduce down to 50mm

    • #299505
      Wallingford Plm+Htg

      In Ct 2″ pipe is fine for a kitchen drain.Oversizing is not good as you will reduce the scouring action.

    • #299506

      Yes 2″ would be fine for sink drainage REGARDLESS of lenth

      The waste line is sized by total Fixture units connected (FU) and also by the pitch of the piping.

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