Fitting a PVC drain pipe to a larger ceramic pipe

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    • 9 Jul 2006 at 6:00 pm #279556
      Avatar photoEldon Pinto

        Hi,

        I live in Spain and have a leak from a drain where the recently fitted PVC drain pipe from the sink joins the old ceramic drain. The PVC drain was installed about 3 years ago before I bought the house and it seems whoever did it made a pretty bad job.

        The old ceramic drain is at least twice the diameter of the PVC pipe so I need to know how to make a secure joint between the two. Since there is about three-quarters of an inch between the outer surface of the PVC pipe and the inner surface of the ceramic drain, there’s quite a lot of space to fill. Also, the ceramic pipe is almost horizontal so the joint needs to be absolutely water-tight.

        I was thinking about using plumbers putty first of all (at least an inch in depth) and then covering this with a layer of mastic of one sort or another. Would this be a good solution or does anyone have a better idea?

        Another idea I had was using expanded polystyrene foam filler, but compressed so that it is effectively an adhesive rather than a foam and then covering this with a layer of mastic.

        » This message has been edited by johngosling on 09 July 2006

      • 10 Jul 2006 at 8:07 am #301171
        Avatar photodigger
        Participant

          Hi John

          You can use a fitting called “Adapter to fit E W spigot”
          I am not aware whether you can buy Hardi iplex fittings over there but their code Number is V132 if you can.

        • 10 Jul 2006 at 9:58 am #301172
          Avatar photoRetired plbg1
          Participant

            Here we use Fernco fittings, here is there web site look unhttp://www.google.com/pagead/iclk?sa=l&ai=Bw1nImSKyRNbzOY3aqAKOotXECL_tkg3F1uqPAummrYkGgLUYCAAQARgBMAA4AEifOVD-rarvBpgB7nOgAenhov4DyAEBlQIfZkoK&adurl=http://fernco.buyplumbing.ne tder couplings, let me know.


            Art retired plbg

          • 11 Jul 2006 at 11:21 am #301173
            Avatar photojohngosling
            Participant

              Hi Stewart and Retired,

              Many thanks for your advice. I’ll see if I can find what you suggest over here.

              Best wishes

              John

            • 14 Jul 2006 at 9:53 pm #301174
              Avatar photoPLUMBILL
              Participant

                Here is another site you could try:
                http://www.missionclay.com/bandseal/page2.html

                These are great coupling to use and you can get them in all sizes.

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