Shower drain distance from toilet

Discussion in 'Shower & Bathtub Forum & Blog' started by tdonoghue12, Jun 12, 2009.

  1. tdonoghue12

    tdonoghue12 New Member

    Joined:
    Jun 12, 2009
    I am remodeling my master bathroom in which the existing shower stall drains (2" line) into toilet drain and then into main stack. The distance from shower drain to toilet is approx. 3'-6".

    My plan is to move shower over in which my 2" shower drain location distance to toilet would now be approx. 6'.

    Since this is a wet trap does the additional 3' matter?
     
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Joined:
    Sep 2, 2004
    Occupation:
    Retired Systems engineer for defense industry.
    Location:
    New England
    One of the pros will correct me if I'm wrong, but I think on that size pipe, the limit is 5'. Where exactly is the vent now for those two fixtures? If at the toilet, I'd think flushing it would siphon out the shower trap.
     
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  4. tdonoghue12

    tdonoghue12 New Member

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    Jun 12, 2009
    The house was built in '76 and the line from the shower to the toilet is piped into horizontal main drain on 2nd floor for 2 bathrooms. From the toilet to vertical main stack is approx. 5'.
     
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