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  • thisnewowner's Plumbing Questions.

    I have a horizontal 2" pipe for bath drain. I need a tee to add a vertical vent branch but the space is too tight. Can I tilt the tee as show on the following photo? what's the max angle I can tilt? cannot lay the vent branch horizontal because water may go into, right? thanks.Click image for larger version

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    Attached Files

  • #2
    Re: can I tilt the tee for vent?

    The outlet must be above the center line of the horizontal drain served. Make sure that that vent is dry. No waste can go there.
    sigpic

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    • #3
      where to add a vent?

      I want to extend my horizontal counter sink drain to about 7 feet in total. There is no vent now. So I have to add a vent. Where should I add the vent? Just after the P-trap, or in the middle of the length or anywhere which less than 5 feet from the sink outlet? thanks,

      Comment


      • #4
        Re: can I tilt the tee for vent?

        But the fitting to use is NOT a sanitary tee....it needs to be a wye + 45

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        • #5
          Re: can I tilt the tee for vent?

          Originally posted by lovetheUSA View Post
          But the fitting to use is NOT a sanitary tee....it needs to be a wye + 45
          cannot use sanitary tee for a vertical vent branch on a horizontal run? anybody can confirm this for me?

          Comment


          • #6
            vent questions

            few questions about vent:

            1. vent will go up but can i start up but immediately go horizontal few inches and then go up?

            2. can I horizontally U turn (the bottom of the U is more than 1 foot) the vent and then go up?

            3. Is there any limitation on horizontal length of a vent? can run a vent 20 feet horizontally and then go up again?

            4. what's the vent pipe size requirment? 1.5" for bath (what I have now)? 2" for others, 3" or 4" for main stack and entire house?

            5. one 2" vent can serve how many fixtures?

            thanks,

            Comment


            • #7
              Re: vent questions

              Please DO NOT add a new thread for each question.

              Mark
              "Somewhere a Village is Missing Twelve Idiots!" - Casey Anthony

              I never lost a cent on the jobs I didn't get!

              Comment


              • #8
                Re: vent questions

                Originally posted by ToUtahNow View Post
                Please DO NOT add a new thread for each question.

                Mark
                They are different questions and came out at different time. And if there are too many questions for one thread, some of the question may be ignored.

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                • #9
                  Re: where to add a vent?

                  Originally posted by thisnewowner View Post
                  I want to extend my horizontal counter sink drain to about 7 feet in total. There is no vent now. So I have to add a vent. Where should I add the vent? Just after the P-trap, or in the middle of the length or anywhere which less than 5 feet from the sink outlet? thanks,
                  Venting right after the trap is fine. You can also vent it half way down.

                  Comment


                  • #10
                    Re: can I tilt the tee for vent?

                    Originally posted by thisnewowner View Post
                    cannot use sanitary tee for a vertical vent branch on a horizontal run? anybody can confirm this for me?
                    Yes, it is ok to use a tee for venting a horizontal run.

                    Comment


                    • #11
                      Re: can I tilt the tee for vent?

                      It depends on your code. Some require a wye because a san-tee is only allowed to be installed in a vertical position.

                      Mark
                      "Somewhere a Village is Missing Twelve Idiots!" - Casey Anthony

                      I never lost a cent on the jobs I didn't get!

                      Comment


                      • #12
                        Re: can I tilt the tee for vent?

                        a san tee can only be used if installed at 45 degrees or greater to vertical position. unless it's 6'' above the flood level rim of the fixture it's serving.

                        a wye and 45/ comby is the better method.

                        rick.
                        phoebe it is

                        Comment


                        • #13
                          Re: can I tilt the tee for vent?

                          I always pick up the vent first then wash it with the tub, even if I have to make a u and come all the way back to fixture.
                          The Plumber/Firefighter

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                          • #14
                            this U turn vent is good or not?

                            please have a look at attached photos. don't know this connection is good or not. From non-professional point of view, I didn't see why the U turn doesn't work. I may redo it or keep it. some of the pipe is glued but many of them just placeholders.
                            Attached Files

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                            • #15
                              Re: this U turn vent is good or not?

                              This may help.

                              248 CMR 10.00: Uniform State Plumbing Code

                              Mark
                              "Somewhere a Village is Missing Twelve Idiots!" - Casey Anthony

                              I never lost a cent on the jobs I didn't get!

                              Comment

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