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  1. #1
    Join Date
    Mar 2007
    Location
    Chicago, IL
    Posts
    2,797

    Default Horizontal tailpiece used for DW attachment

    This morning's drain plumbing: dishwasher connected to DW tailpiece adapter employed as part of a horizontal run to a center outlet waste tee above the trap inlet.

    Is there a specific prohibition against using this tailpiece in this manner?

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  2. #2
    Join Date
    Mar 2007
    Location
    Ormond Beach, Florida
    Posts
    25,307

    Default Re: Horizontal tailpiece used for DW attachment

    Quote Originally Posted by Michael Thomas View Post
    Is there a specific prohibition against using this tailpiece in this manner?
    You mean other than it is not designed or intended to be installed horizontally like that?

    SECTION P2607
    WORKMANSHIP

    P2607.1 General.
    Valves, pipes and fittings shall be installed
    in correct relationship to the direction of the flow. Burred ends
    shall be reamed to the full bore of the pipe.

    P2608.2 Installation of materials.


    All materials used shall be
    installed in strict accordance with the standards under which
    the materials are accepted and approved. In the absence of such
    installation procedures, the manufacturer’s installation instructions
    shall be followed. Where the requirements of referenced
    standards or manufacturer’s installation instructions do not
    conform to the minimum provisions of this code, the provisions
    of this code shall apply.
    P2608.3 Plastic pipe, fittings and components.


    All plastic
    pipe, fittings and components shall be third-party certified as
    conforming to NSF 14.
    P2608.4 Third-party testing and certification.


    All plumbing
    products and materials shall comply with the referenced standards,
    specifications and performance criteria of this code and
    shall be identified in accordance with Section P2608.1. Where
    required by Table P2608.4, plumbing products and materials
    shall either be tested by an approved third-party testing agency
    or certified by an approved third-party certification agency.



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

  3. #3
    Join Date
    Mar 2007
    Location
    Chicago, IL
    Posts
    2,797

    Default Re: Horizontal tailpiece used for DW attachment

    Thanks. My usual "in a manner not approved by the manufacturer" really ought to be enough in such cases, I just wanted to have the code citations handy if need be. I guess I really ought to buy the set on CDs, but I'm saving my pennies for an IR camera as I know I've lost a few inspections lately to competitors who have them.


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