adding shower

Discussion in 'Remodel Forum & Blog' started by xplorer96, Mar 15, 2009.

  1. xplorer96

    xplorer96 New Member

    Mar 15, 2009
    I have an existing 1/2 bath in the basement (raised ranch). I am going to break up the concrete and connect the new shower drain into the main which is 4 feet away. My question is, since the main acts as a vent, is that sufficient to vent the shower without adding another vent as there is no close vent to tap into? Thanks for any advice. Rob
  2. kingsotall

    kingsotall Plunger/TurdPuncher

    Aug 17, 2008
    Hand copper part cleaned ready to go
    Flagstaff, AZ Sitting on an upside down 5 gallon b
    Every trapped fixture needs a vent.
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  4. Gary Swart

    Gary Swart In the Trades

    Sep 1, 2004
    Yakima WA
    You didn't ask, but just in case you are not aware, a shower drain is required to be 2". Tubs are OK with 1-1/2".
    Last edited: Mar 15, 2009
  5. xplorer96

    xplorer96 New Member

    Mar 15, 2009
    RE : Shower Vent

    If the 2" trapped shower drain goes directly into a 3" main dwv (4feet away) does it still need a separate vent or is the 3 inch main dwv sufficient?
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