Adding a utility sink to a laundry room

Discussion in 'Plumbing Code Questions' started by 71CJ5, Nov 13, 2012.

  1. 71CJ5

    71CJ5 New Member

    Nov 13, 2012
    Gypsum, CO
    My question is pretty basic. I'm getting ready to stack my washer/dryer and put a utility sink where the washer was. The 2" stack coming from the crawlspace is only 6" from a wall. This limits my options for plumbing in the sink. My brother, a journeyman plumber in OH, says that I'm okay stacking 2 tees to pick up both fixtures and common venting. I plan on 2" tee to branch off to the washer box location and a 2x1.5" tee on top of that branching off to the new sink. Please excuse my fantastic MSPaint skills :) Any problems with this setup?

    I've seen the picture on this site on a proper sink/washer box setup but would rather not run another vent if I don't have to in order to minimize the amount of drywall I have to remove. I really hate drywall work:rolleyes:

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    Last edited: Nov 13, 2012
  2. cacher_chick

    cacher_chick Test, Don't Guess!

    Jan 5, 2008
    Test, Don't Guess!
    Land of Cheese
    What you have drawn is called a vertical wet vent. This is allowed by some plumbing codes, but not others.
    You might ask your local plumbing inspector for their input on such an installation.
    Last edited: Nov 14, 2012
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  4. Terry

    Terry Administrator Staff Member

    Aug 17, 2004
    Bothell, Washington
    This one passes anywhere.

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