Spa tub vent critical distance

Discussion in 'Shower & Bathtub Forum & Blog' started by fecollier, Jan 25, 2010.

  1. fecollier

    fecollier New Member

    Joined:
    Jan 25, 2010
    Location:
    PAC NW
    I am doing the DWV on a house I am building and can't figure the best way to vent the spa tub. The pic shows the main drain line in red and the proposed lav & tub line (2" ) in blue. My trap is more than 5 feet from the wall where I want the vent line and I know I can go horizontal with it below. Any ideas on how to vent this?
     

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  2. hj

    hj Moderator & Master Plumber Staff Member

    Joined:
    Aug 31, 2004
    Occupation:
    Plumber
    Location:
    Cave Creek, Arizona
    We would continue the line to the back wall, run the vent up there, and arm back to the "P" trap from that point.
     
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  4. fecollier

    fecollier New Member

    Joined:
    Jan 25, 2010
    Location:
    PAC NW
    Like This?
     

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  5. hj

    hj Moderator & Master Plumber Staff Member

    Joined:
    Aug 31, 2004
    Occupation:
    Plumber
    Location:
    Cave Creek, Arizona
    You have the right idea, but I would not run the pipes exactly the way you show them.
     
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