How to fix shower p-trap?

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by wmichsabre, Apr 12, 2013.

  1. wmichsabre

    wmichsabre New Member

    Apr 11, 2013
    So while I was putting the floor back over the top of the shower drain, I must have broken the bond between the vertical pipe and the p trap.

    Is there an easy fix or do I have to tear it all out and rebuild?

    Last edited: Apr 12, 2013
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Sep 2, 2004
    Retired Systems engineer for defense industry.
    New England
    Rebuild for two because it's leaking and the second because it's an S-trap. The vent MUST come off the trap arm before that turns down. IOW, the pipe coming out of the end of the p-trap must be straight with a vent coming off of it before the waste can turn down.
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  4. cacher_chick

    cacher_chick Test, Don't Guess!

    Jan 5, 2008
    Test, Don't Guess!
    Land of Cheese
    Jad is correct, what you have there is very much wrong. The trap must be vented by a vertical riser within the max distance specified by your code. The pitch of the trap arm cannot exceed 2% between the trap and it's vent.
  5. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona
    You CANNOT break the "bond between the riser and the P trap" unless it was a very poor joint in the first place, in which case it, and any others done the same way should be replaced. And, replaced with the proper slope and fittings.
  6. Hammerlane

    Hammerlane Member

    Oct 22, 2011
    Can you provide a photo of what the plumbing looks like a little further downstream??

    Attached Files:

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