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Thread: Funky Tub Drain Setup

  1. #1
    DIY Member Fein's Avatar
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    Default Funky Tub Drain Setup

    I have a tub with an integral overflow in a second story bath. The drain for the tub is directly over a sistered joist. I REALLY don't want to move the tub or cut the joist so I set up the drain as shown.

    I can't get the trap watertight (it is slightly misaligned so it doesn't seat properly)- so I will be taking this out anyway. I would appreciate any advice on a better setup moving forward.

    Thanks.
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  2. #2
    Moderator & Master Plumber hj's Avatar
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    Default drain

    No problem with the overflow setup. It is done that way quite often. Scrap the trap with the locknut. They are bad news in a concealed location, and there is no benefit for using it. Get a glued together trap and you will not have to worry about leaks.

  3. #3
    DIY Member Fein's Avatar
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    Thanks HJ- you made my day.

  4. #4
    Master Plumber Redwood's Avatar
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    Are you using a waste and overflow where it discharges out the rear horizontally?

  5. #5
    DIY Member Fein's Avatar
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    The tub and joist run parallel to each other. The overflow is cast into the tub lining. The drain comes off the tub perpendicular to the tub/joist. Is this a probelm?

  6. #6
    DIY Member Fein's Avatar
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    Redwood-
    Not sure I understand the comment about the waste and overflow. Water discharges out of the tub shoe horizontally before goes down a long 90 to the trap then about a foot to pass the vent. I filled the tub and it drained very well...

  7. #7
    Master Plumber Redwood's Avatar
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    Your waste and overflow...
    Is it like the one on the left in the sketch below?


  8. #8
    Consultant cwhyu2's Avatar
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    I think the what O/P said is that the over flow is molded in to the tub.
    So no need for the W/O assembly I would like to a picture of the other
    side of the tub.

  9. #9
    DIY Member Fein's Avatar
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    Overflow pic attached.
    Code calls for 1.5" pipe- I assume this will pass since it has greater cross sectional area- but not 100% sure. Anyone know of any problems with this type of overflow passing inspections?
    Thanks.
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  10. #10
    Consultant cwhyu2's Avatar
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    No, as long as the piping attached to it up to code.

  11. #11
    Master Plumber Redwood's Avatar
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    I missed the integral part...

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