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Thread: Plumbing a shower and tub drain together?

  1. #1

    Default Plumbing a shower and tub drain together?

    I have a tub and want to add a shower. Is it good practice to plumb both ahead of a common drain bucket?

  2. #2
    Moderator & Master Plumber hj's Avatar
    Join Date
    Aug 2004
    Cave Creek, Arizona

    Default tub and shower

    What do you mean by a "drain bucket"?

  3. #3


    I wonder if he/she means a drum trap?

  4. #4


    I am not sure what the correct term for the plumbing (P-Trap?) that provides the vapor barrier for a tub drain. It is below grade (under the slab) so I can not see it. All that is visible is the tub drain run down thru the concrete. So I want to tee a shower drain in just above the concrete level.
    Attached Images Attached Images

  5. #5
    Homeowner geniescience's Avatar
    Join Date
    Nov 2005
    humid summers hot, humid winters cold

    Default no go. two drains, two P traps. Back to the drawing board.

    And then, here's more:
    -- -- separate connections to the stack or else separate venting.

    lots to learn.



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