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moving the drain/installing kerdi drain

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  • #16
    Re: moving the drain/installing kerdi drain

    Originally posted by Robert Gift View Post

    How did they get the inverted triple wye? Did they make them just for the job?
    What you see there is an old stringer fitting. They still make fittings like that and are very common in high rises.
    Ron Hasil Lic #058-160417
    A-Archer Sewer & Plumbing specializing in:
    Tankless Water Heaters | Drain and Sewer Cleaning
    Sump and Ejector Pumps | Backflow RPZ Testing

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    • #17
      Re: moving the drain/installing kerdi drain

      It's called a Harp fitting
      Last edited by where am i; 07-11-2010, 02:01 PM.

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      • #18
        Re: moving the drain/installing kerdi drain

        never seen a 4 connection fitting like that. the ones we use are an upright wye. pretty much a wye with a 45 built in that allows for combining the vent from below with the vent on that floor. but it's also reversed for waste from an upper floor to connect to the present floor.

        rick.
        phoebe it is

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        • #19
          Re: moving the drain/installing kerdi drain

          thanks for all the replies.

          the pipe broke off as i was trying to unscrew it in order to get the galvanized part out and start fresh from the stack. the pipe diameter is 2in with 3in adaptor screwed into the cast iron. i am doing a complete kerdi system which also comes with a non pvc version (stainless steel) drain for places like nyc where pvc is not allowed.

          i successfully removed very rusty sink drain fittings from the cast iron stack yesterday. but this one seems to be a different kind of animal.

          what is the best thing to do at this point?
          Attached Files
          Last edited by Apt4C; 07-11-2010, 06:24 PM.

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          • #20
            Re: moving the drain/installing kerdi drain

            ummmmmm...how many plumbers here said this would happen??????

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            • #21
              Re: moving the drain/installing kerdi drain

              What ever you do, do not break that harp fitting... or you will be in deep.....
              Ron Hasil Lic #058-160417
              A-Archer Sewer & Plumbing specializing in:
              Tankless Water Heaters | Drain and Sewer Cleaning
              Sump and Ejector Pumps | Backflow RPZ Testing

              Comment


              • #22
                Re: moving the drain/installing kerdi drain

                thanks for the reply.

                is the harp fitting the first one screwed into the cast iron (the 2 in pipe that broke off was screwed into this fitting)?

                why do you say that removing this would be a big problem?

                somebody else here said earlier that it would be the best to remove everything all the way to cast iron.
                Last edited by Apt4C; 07-11-2010, 11:27 PM.

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                • #23
                  Re: moving the drain/installing kerdi drain

                  seeing you don't want to invest in a 2'' pipe tap, you need to be real careful in removing the rotted broken stub

                  so this is how i do it

                  carefully scrape out the rusty debris from inside the rusty pipe stub. then you need a sawzall with a fine 24tpi blade. you will slowly cut the inside of the nipple all the way through just to the start of the female threads. do this in 3 locations. they don't need to be 120 degrees apart, but they should be an easy spot to control the blade and saw. try 5:00, 6:00 and 7:00. this will allow you to see what you're doing and then knock out the small wedge you just cut. at this point the remaining 5/6th. of the pipe should literally cave in as you squeeze it with a pair of channel locks. thus freeing the nipple and preserving the good threads

                  now if this works, you might need to do the same to the remaining threaded bushing.

                  use plenty of pipe dope and teflon to seal the threads that you might have nicked.

                  if this sounds too difficult or risky, bring in a good recommended plumber that's got a good reputation in the building

                  if his name is slyvan lock the doors and don't let him in

                  take more photos and let us know how it goes

                  rick.
                  phoebe it is

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                  • #24
                    Re: moving the drain/installing kerdi drain

                    thanks, rick.

                    this is exactly what we did.

                    here are the results (pls scroll to post No. 218 for photos):
                    http://www.johnbridge.com/vbulletin/...=85035&page=15

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                    • #25
                      Re: moving the drain/installing kerdi drain

                      Try to help a guy and ya get thrown under the bus.

                      Lesson: If you want plumbing advice go to the the tile man.
                      Last edited by Big Jim; 07-12-2010, 02:09 PM.

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                      • #26
                        Re: moving the drain/installing kerdi drain

                        Originally posted by Big Jim View Post
                        Try to help a guy and ya get thrown under the bus.

                        Lesson: If you want plumbing advice go to the the tile man.
                        after reading and skimming over 220 post there, you're correct. basically he was refereed here once he damaged his plumbing a couple days ago. otherwise he's been going back and forth on that tile forum for well over a month.

                        although we did steer him in the same direction, he came here for reassurance of what he had already attempted earlier

                        rick.
                        phoebe it is

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                        • #27
                          Re: moving the drain/installing kerdi drain

                          the Harp fitting is the Revent fitting.

                          I've never seen that kind of bottom fitting before.

                          that would pick up just a tub or shower.

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                          • #28
                            Re: moving the drain/installing kerdi drain

                            Never saw a harp fitting before.

                            learn something new everyday in this trade.

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                            • #29
                              Re: moving the drain/installing kerdi drain

                              I used to work with alot of guys like that.

                              "I didn't blow the place up, or kill anybody, so it's all good... yay for me"

                              Some of the most screwed up pipework i've ever seen in my life has been from tile guys.

                              Well... if something doesn't go right, don't blame the guys on here for not trying to help.

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                              • #30
                                Re: moving the drain/installing kerdi drain

                                I love the tile guys who re-set the toilets, and I have to go back and re-do it again.

                                Btw...horned flanges should be illegal to install, unless it's on lead.
                                Last edited by Flux; 07-14-2010, 01:09 AM.

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