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Thread: proper trap

  1. #1
    Join Date
    Aug 2014
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    Montana
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    14

    Default proper trap

    Shouldn't the horizontal arm of this trap be longer? Can you tell me what kind of dimensions i should be looking for?

    DSCN3714.jpg

    NHIE Practice Exam

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

    Default Re: proper trap

    The arm should be at least 2 times the width of the pipe.

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

  3. #3
    Loren Sanders Sr.'s Avatar
    Loren Sanders Sr. Guest

    Default Re: proper trap

    Quote Originally Posted by Rick Cantrell View Post
    The arm should be at least 2 times the width of the pipe.
    This photo also shows why the tail piece length should not be too long as too long could cause the trap to be washed out and ineffective.


  4. #4
    Join Date
    Mar 2007
    Location
    Ormond Beach, Florida
    Posts
    26,244

    Default Re: proper trap

    Quote Originally Posted by Rick Cantrell View Post
    The arm should be at least 2 times the width of the pipe.
    Looks like it meets that, but Loren brings up an excellent point with short trap arms:
    Quote Originally Posted by Loren Sanders Sr. View Post
    This photo also shows why the tail piece length should not be too long as too long could cause the trap to be washed out and ineffective.
    While a long end into the slip joint fitting will not fully block off the vent (it will block off the drain to the same extent), it will definitely block off a good portion of the vent (as well as the drain).

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  5. #5
    Join Date
    Aug 2014
    Location
    Montana
    Posts
    14

    Default Re: proper trap

    Soooo a plumber is needed right along with every other train possible for this house.

    - - - Updated - - -

    As a side note, I am SOOOO over country houses.

    The realtor wasn't exactly sure that the house was even finaled. The crawlspace was a HUGE hazmat situation. Dead rats, mice, DROPPINGS EVERYWHERE, they also had plastic under the floor to support the insulation and that was FULL FULL FULL of droppings.

    I am thinking about just burning the clothes.


  6. #6
    Join Date
    Feb 2009
    Location
    Southern Vancouver Island
    Posts
    4,546

    Default Re: proper trap

    Whoa back. The trap is not textbook correct but I would not be so quick to condemn the plumbing over that minor detail. Has it leaked and caused problems?
    OK the house has a rodent issue. Millions of houses do. Learn to put things in perspective or you will be twiddling your thumbs on the couch.

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

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