1. fyrchyk

    fyrchyk New Member

    Messages:
    1
    i am installing a pedestal sink and the plumbing is coming straight up through the floor...how far down can i install the p trap from the drain
  2. Terry

    Terry Administrator Staff Member

    Messages:
    14,780
    Location:
    Bothell, Washington
    That would be considered an "S Trap"
    The vent needs to pull off even with the top of the trap arm, not below it.

    Move the pipe into the wall and use a tee coming straight out for the p-trap.
  3. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,270
    Location:
    Cave Creek, Arizona
    trap

    Unless you are in Australia, that type of drain is not permitted. But to answer your question, it depends entirely upon the trap you can find and the room inside the pedestal.
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