Sewage ejector basement bathroom venting

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by Rmichael, May 31, 2019.

  1. Rmichael

    Rmichael New Member

    Joined:
    May 31, 2019
    Location:
    Colorado
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    Hi I’m putting a bathroom in a basement using a sewage pit/pump. Just wanted to make sure my vent plan looks ok. Is the shower ok wet vented through the lav?
     
    Last edited by a moderator: May 31, 2019
  2. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    I changed the drawing. The lav can vent the entire bathroom if the piping for that is run in 2".
    The vent for the pump and bathroom can tie back in above the flood level of the highest fixture. That means if there is plumbing on the next floor, the vent goes 42" above that floor before it can tie back in. You can't tie a vent into a waste line.

    The pump gets a check valve and a shutoff above that.
     
    Last edited: May 31, 2019
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  4. Rmichael

    Rmichael New Member

    Joined:
    May 31, 2019
    Location:
    Colorado
    Thanks so much for the quick reply! Was planning on tying into the stack in the attic to avoid another roof penetration.

     
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