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  1. kevinwatson

    Basement Bathroom Wet Vent + AAV

    Thanks for the help. I think I'm understanding correctly. Do a 4x3x3 wye off the main, do a wye for the toilet, a wye for the vent/lav, and 2" for the tub/shower? Or would the toilet need to tie-in before the vent goes up?
  2. kevinwatson

    Basement Bathroom Wet Vent + AAV

    @Jeff H Young @John Gayewski Thank you for the quick responses. Would this revised layout work?
  3. kevinwatson

    Basement Bathroom Wet Vent + AAV

    DIY plumbing a basement bathroom in Michigan (IPC) and am wondering about venting. Only real access to existing stack is a 3" line that carries waste from other bathrooms on other floors so I believe that is a no-no. I've got a revised plan drawn out and attached. I can use an AAV in my location...
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