1. apparentgenius

    apparentgenius New Member

    Messages:
    21
    Location:
    Oregon
    Hi,

    I'm in the process of plumbing my new house.

    I undestand the vent sizes required for various fixtures and I also understand the total sq in needed for vents for my sewerpipe size.

    My question is how many 1 1/2" vents can I combine as I run up to the roof before I need to transition to 2" pipe i.e. can I tee 3 sinks into one 1 1/2" vent?

    Thanks,

    glen
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