Air Admittance Valve Protective Cover - Is It Needed?

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by BryceinSLC, Jan 2, 2021.

  1. BryceinSLC

    BryceinSLC New Member

    Joined:
    Jan 1, 2021
    Location:
    Utah
    I just replaced an air admittance valve under the sink
    The old one had the protective cover over it.
    Is this needed? From what I gather its good for when its outside, but will having it on help or hinder when used inside?

    Thanks!
     
  2. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    I'm not aware of any reason for putting a cover over one under a sink.

    [​IMG]
     
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