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  1. #1
    Join Date
    Oct 2012
    Location
    Dallas, Texas
    Posts
    24

    Default Double Trap Question

    I believe this is a double trap, but wasn't sure if the vent on the first image (right.jpg) changed anything. The first pic (right.jpg) is the master bath sink on the right. It goes through the vanity to the left side (left.jpg).

    Any advice?

    right.jpg

    left.jpg

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    Professional Real Estate Inspector, TREC #20511
    Certified Level 1 Infrared Thermographer
    www.vikinginspections.com

  2. #2
    Join Date
    Mar 2007
    Location
    Columbus GA
    Posts
    3,746

    Default Re: Double Trap Question

    Yes, what is shown is a double trap.
    BTW
    You did see there are other problems also?

    ' correct a wise man and you gain a friend... correct a fool and he'll bloody your nose'.

  3. #3
    Join Date
    Oct 2012
    Location
    Dallas, Texas
    Posts
    24

    Default Re: Double Trap Question

    A trap weir issue? What else do you see?

    Professional Real Estate Inspector, TREC #20511
    Certified Level 1 Infrared Thermographer
    www.vikinginspections.com

  4. #4
    Join Date
    Mar 2007
    Location
    Columbus GA
    Posts
    3,746

    Default Re: Double Trap Question

    Quote Originally Posted by Kris Svendsen View Post
    A trap weir issue? What else do you see?
    Trap depth (As you said)
    Location of the vent
    Although kinda minor, the traps look inaccessible due to the shelf.

    ' correct a wise man and you gain a friend... correct a fool and he'll bloody your nose'.

  5. #5
    Join Date
    Feb 2009
    Location
    Southern Vancouver Island
    Posts
    4,549

    Default Re: Double Trap Question

    Quote Originally Posted by Rick Cantrell View Post
    Trap depth (As you said)
    Location of the vent
    Although kinda minor, the traps look inaccessible due to the shelf.
    And is that duct tape under the first sink?

    Yes the second trap can't be removed because of the Tee and the arm from the right hand sink.

    John Kogel, RHI, BC HI Lic #47455
    www.allsafehome.ca

  6. #6
    DavidSmith's Avatar
    DavidSmith Guest

    Default Re: Double Trap Question

    I'm not seeing where the depth of the trap is problem, could you expand?


  7. #7
    Join Date
    Mar 2007
    Location
    Columbus GA
    Posts
    3,746

    Default Re: Double Trap Question

    Quote Originally Posted by DavidSmith View Post
    I'm not seeing where the depth of the trap is problem, could you expand?
    The water seal should be from 2" - 4".
    The 1st trap looks to have about a 6" water seal.
    Since the trap arm of the 1st drain is at the same height as the 2nd trap arm
    water will back up into the 2nd trap arm

    ' correct a wise man and you gain a friend... correct a fool and he'll bloody your nose'.

  8. #8
    Join Date
    Mar 2007
    Location
    Near Philly, Pa.
    Posts
    1,643

    Default Re: Double Trap Question

    Aside from the double trap issue, the whole thing appears to be rather level R>L. Is that an AAV I see downstream of the first trap? Needs to be pitched for 'stuff' to flow downhill.

    Oh, the second trap can be removed----when the whole thing gets re-piped correctly. Holes may need to be cut in cabinets but it 'can' (and should) be done.

    Keep the fire in the fireplace.

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