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Thread: T-wye or Sani-t on 3" secondary stack

  1. #1
    DIY Junior Member
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    Default T-wye or Sani-t on 3" secondary stack

    Hi-

    What is the correct piece to use on a 3" vertical secondary stack. I am adding in the plumbing from my washer to this. it currently has a cleanout T on it, which will be moved up to make room for this. i would prefer to use the Sani-t since it will add less height to the plumbing but can make the T-wye work.

  2. #2
    Forum Admin, Expert Plumber Terry's Avatar
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    Default

    You can use a santee on the vertical. Just make sure you vent the washer between the stack and the p-trap.

  3. #3
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    Default

    Yep. I believe the vent needs to be less that 60" from the p-trap to the vent correct?

    I know that AAV's are hotly contested. i was thinking about using one in the application, and coult *possibly* get it routed to the outside. Any throughts on this?

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