Washing Machine AAV?

Discussion in 'Plumbing Code Questions' started by NMPastor, Apr 10, 2021.

  1. NMPastor

    NMPastor New Member

    May 10, 2014
    New Mexico
    Doing a utility room in the lower floor of a house in Idaho.

    Can anyone tell me if Idaho UPC allows the use of an AAV for a washer/utility sink combination, where the washer is not being pumped into the sink?

    To do a regular vent would require either opening the wall on the floor above or going through an exterior wall and up through the eave.

    Edit: Although it's the result we want, could we use an AAV if we drained the washer into the utility sink, as opposed to a standpipe?

    Last edited: Apr 10, 2021
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