P Trap wrong place, smelly overflow

Discussion in 'Shower & Bathtub Forum & Blog' started by Alegre, Mar 29, 2018.

  1. Alegre

    Alegre New Member

    Joined:
    Mar 29, 2018
    Location:
    new mexico
    We had a master bath remodeled. We flipped the location of the shower and tub. We put a freestanding tub in place. After moving in, we noticed a foul smell from the tub. After some troubleshooting, we have discovered that the tub overflow is allowing sewer gas back flow because the ptrap was installed under the main drain but not between the overflow and the main line. The contractor has acknowledged this is the problem. Do we rip everything out and fix the plumbing? Are there alternatives?
     
  2. WorthFlorida

    WorthFlorida The wife is still training me.

    Joined:
    Oct 28, 2009
    Occupation:
    Retired
    Location:
    Orlando, Florida
    How was the ptrap viewed? If there is access from the floor below or a basement it should be easy to fix.
     
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  4. Ladiesman217

    Ladiesman217 Member

    Joined:
    Dec 31, 2010
    Location:
    MA
    Kind of hard to make that mistake. Is the plumbing vented?

    Who did the plumbing work?

    Do you have a picture?
     
    Last edited: Mar 29, 2018
  5. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    The overflow must also find it's way to the p-trap, or it's a direct line to the sewer.
     
  6. hj

    hj Master Plumber

    Joined:
    Aug 31, 2004
    Occupation:
    Plumber
    Location:
    Cave Creek, Arizona
    Your description does NOT make a lot of sense, so either a picture or photo is necessary. I do not know what you mean by "main drain" but the drain at the bottom of the tub ALWAYS goes to the trap and the overflow connects to it between the two, somehow. The trap NEVER "connects between the overflow and main drain".
     
    fullysprinklered likes this.
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