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  1. #1
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    Default Is This An 'S' Trap?

    Would you call this an 'S' trap? This is under the kitchen sink. Lots of Harry Homeowner "improvements" on this house.

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  2. #2
    Join Date
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    Default Re: Is This An 'S' Trap?

    Hard to be sure in that picture, but that looks to me to be P trap without sufficient trap arm length, the trap arm needs to be 2X pipe diameter minimum.


  3. #3
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    Default Re: Is This An 'S' Trap?

    Thanks, Michael. I didn't measure the trap arm length but it is borderline. I will report it as such.

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    Bruce Breedlove
    www.avaloninspection.com

  4. #4
    Joshua Hardesty's Avatar
    Joshua Hardesty Guest

    Default Re: Is This An 'S' Trap?

    What's coming out the top of that ABS tee?


  5. #5
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    Default Re: Is This An 'S' Trap?

    Good eye, Joshua. That is what we call a "Harry Homeowner plumbing vent". The kitchen sink was apparently moved from an exterior wall to an interior wall that did not have a vent pipe. So Harry routed the new vent pipe through the new cabinets to another wall where he (hopefully) installed a vent pipe. (All unpermitted of course.)

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  6. #6
    Join Date
    Mar 2007
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    Fletcher, NC
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    Default Re: Is This An 'S' Trap?

    Quote Originally Posted by Michael Thomas View Post
    Hard to be sure in that picture, but that looks to me to be P trap without sufficient trap arm length, the trap arm needs to be 2X pipe diameter minimum.
    It's probably okay ... that's 1-1/2" trap and drain, making the minimum length only 3", and it does not take much to make up 3",

    The female part of the sanitary tee is most likely at least 1" deep, the slip nut is also likely about 1" deep, and wall bend of the trap never goes in all the way, so it's likely at least 1", and then there is that fitting between the slip nut and the female fitting of the sanitary tee, probably makes about an other 1/2".

    Close, but it probably makes it.

    " ... routed the new vent pipe through the new cabinets to another wall where he (hopefully) installed a vent pipe ... " and the vent, of course, was installed with a proper slope, right? (Yeah, right. )

    Jerry Peck
    Construction/Litigation/Code Consultant - Retired
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  7. #7
    Join Date
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    Default Re: Is This An 'S' Trap?

    Quote Originally Posted by Jerry Peck View Post
    " ... routed the new vent pipe through the new cabinets to another wall where he (hopefully) installed a vent pipe ... " and the vent, of course, was installed with a proper slope, right? (Yeah, right. )
    I didn't even measure the slope. I am recommending the buyer have the seller provide evidence all work has been propermitted and approved. Easier said than done for Harry.

    "Baseball is like church. Many attend but few understand." Leo Durocher
    Bruce Breedlove
    www.avaloninspection.com

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