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Thread: Relocating drain! Look good?

  1. #1
    DIY Member MikeVila's Avatar
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    Default Relocating drain! Look good?

    I am installing a whirlpool with a different drain location than my previous corner tub in my manufactured home. The drain will only be about 36" away from original. Will this work. I have attached a drawing of my plan. If so when I cut into the 2" ABS will the pipe move enough laterally to slip the T in? Any transition needed from ABS to PVC. Someone had mentioned they thought you had to use a special glue?
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  2. #2
    Moderator & Master Plumber hj's Avatar
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    Default drain

    Will it work? Yes, if done correctly. Is it a correct connection? NO!

  3. #3
    Plumber jimbo's Avatar
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    It doesn't look like you have enough depth. You cannot use a Tee on it's back to connect a waste line like that.

  4. #4
    DIY Member MikeVila's Avatar
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    Yes I don't have enough depth. Just got back from Lowes and got alot of my materials and unless it comes above my subfloor it won't fit underneath. Anything wrong with that? Why can't I use the Tee? If that isn't correct could you please tell me what is the correct way? Also: Can you not use an S trap for a tub? Tell me what I need to do and I will follow your orders!!

  5. #5
    DIY Member MikeVila's Avatar
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    I can rotate the T fitting and that should allow the room. I don't understand why it is "the wrong connection". Tell me the right way fellas. I am here to learn. I need to get my plumbing figured out so HELP a fella out.

  6. #6
    Plumber jimbo's Avatar
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    A tee can only be used to connect a horizontal branch or trap arm to a VERTICAL waste pipe. Has to do with the sweep and clogging of the inlet. You need to use a wye and a 45.

  7. #7
    Master Plumber Redwood's Avatar
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    or, a combo which would be a one piece version of a wye and 45...

  8. #8
    Moderator & Master Plumber hj's Avatar
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    Default drain

    1, Your vent is horizontal
    2. To make the horizontal vent even somewhat acceptable it would have to be a wet vent for something else.
    3. As drawn you have an "S" trap which is not permitted for ANY fixture.
    4. However, depending on the plane you are drawing you could be showing a "P" trap, in which case the only concern is the type of fitting you are using to connect to the drain line.

    The above concerns are why it is not legal, permitted, or acceptable. But it will work, assuming you abide by #4 above, at least for a little while.

  9. #9
    DIY Member MikeVila's Avatar
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    It is a P trap in the drawing. S traps are not permitted? I have S traps all throughout my home. Isn't there a code that the drain has to be within like 3' of the vent? In which case it would be. Could you show me the correct connection and routing via a pic of some sort? I just want to do it right. I'm sure some would've cobbled it by now but I want to do it 1 time.

  10. #10
    DIY Member MikeVila's Avatar
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    With the above mentioned connections, would they fit under the floor? Or would I have to rotate them to the side for them to fit?

  11. #11
    DIY Member MikeVila's Avatar
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    So I would just use a reducer to go from my 1 1/2" P trap and go straight into the exhisting 2" drainline. Now for the vent. After I cut the drain line would I use the back half of the 2" drain line or just go from the vent going up the wall and get rid of the old T for the old trap and run new 1 1/2" pipe for the vent? Then would I use a Wye and tie into the drainline? Approximately where would I Wye into the drainline after the trap? I really appreciate the help. Picture is worth a thousand words. All of this would then be the "professional" way to go?

  12. #12
    DIY Member MikeVila's Avatar
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    How's this look?
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  13. #13
    Moderator & Master Plumber hj's Avatar
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    Default vent

    By code you should not run it horizontally until it is above, (actually 6" above), the rim of the tub. How we would do it depends entirely on the existing construction of the house, something we cannot see without being there and not shown in the drawing. And might not be able to be shown so we can see what we need to.

  14. #14
    DIY Member MikeVila's Avatar
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    I can't go above the rim of the tub first. I would be in the middle of the bathroom floor. This is how I am going to do it. What do you think?


    http://www.diychatroom.com/showthread.php?t=31231

  15. #15
    DIY Member MikeVila's Avatar
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    That is how someone said they would do it with the layout I have. That is my plan then. Seems like that would be the only way to go.

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