Venting island/washer/crapper

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by avgwhtboy, Mar 25, 2014.

  1. avgwhtboy

    avgwhtboy New Member

    Mar 25, 2014
    What a great site full of great info. I already learned a ton just by reading and the pictures that professionals have posted.

    I'm deep into my addition and about to finish things up. I have to tie the new plumbing into the old. I have a guy who will do the yokum for me connecting into the old cast iron but I need to get it there.

    Can someone please take a look at my drawing to determine if it is the correct venting.

    I am trying to utilize the vent I installed for my island which is in the addition to properly vent the washing machine and a crapper as plans have changed several times over the few year long project.

    Any advice is appreciated and my skin is think. Thanks JR image.jpg image.jpg
  2. asktom

    asktom Member

    Nov 9, 2009
    Victor, MT
    At the risk of offending, you need a plumber. That ain't how you do it.
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  4. avgwhtboy

    avgwhtboy New Member

    Mar 25, 2014
    Rather mess it up than pay a plumber.. I can do it twice and it will still be less $...

  5. cacher_chick

    cacher_chick Test, Don't Guess!

    Jan 5, 2008
    Test, Don't Guess!
    Land of Cheese
    To start with, all of your vent take-offs must be vertical, and they can only go upwards, never down. The island can use a properly plumbed loop vent, but you have not accomplished that either.
  6. wjcandee

    wjcandee Wise One

    Apr 27, 2012
    New York, NY
    And you don't need a p-trap for a toilet. The trap is already in the toilet.

    I know it probably seems like it all makes sense as you have done it, but how you have done the venting indicates that you haven't been schooled yet in some of the relevant principles of venting. Here are two excellent handouts that explain a lot. One has good photos of it being done properly, as well as rules and tips; the other has more specific rules and a lot of good drawings. Together, they should give you an idea of how to do the venting for each fixture, and details like how high things have to be (e.g. for the washer standpipe, etc.). Give them a review and come on back. We'll look at the next draft.
    Last edited by a moderator: Jan 24, 2017
  7. Gary Swart

    Gary Swart In the Trades

    Sep 1, 2004
    Yakima WA
    Hell yeah, there ain't nothing to plumbing. I mean alls you have to is run pipes and glue 'em together. Any dumb ass can do that. NOT
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