Kitchen Sink Vent Issue

Discussion in 'Plumbing Forum, Professional & DIY Advice, Tips & ' started by obrien234, Aug 7, 2013.

  1. obrien234

    obrien234 New Member

    Messages:
    5
    Location:
    Illinois
    I've got a kitchen sink that I believe isn't venting correctly and my current plan is to install a separate vent line for the kitchen sink to fix it. I'm hoping someone can confirm my diagnosis before I go and have someone mess with the plumbing. Here's a few facts about the apartment/house:

    • Apartment is the first floor of a duplex house, with the unit above having a kitchen right above ours.
    • The issue does not correlate with use of our sink (it can happen right after I use the sink, or hours after it has been used)
    • The issue does seem to lightly correlate with when the folks upstairs use their sink.
    • Looking at the pipes it seems that the sink just vents up the stack to the kitchen on the second floor and doesn't have a separate line.

    Here's a video of the sink making the noise:

    http://youtu.be/save0M2rajk

    [video=youtube;save0M2rajk]http://www.youtube.com/watch?v=save0M2rajk&feature=youtu.be[/video]
    Last edited by a moderator: Aug 7, 2013
  2. Terry

    Terry Administrator Staff Member

    Messages:
    15,004
    Location:
    Bothell, Washington
    That's a venting issue.
    The quickest fix would be to add an AAV to your trap arm.
  3. Tom Sawyer

    Tom Sawyer In the Trades

    Messages:
    3,174
    Location:
    Maine
    If it drains ok and doesn't smell, I'd probably leave it alone.
  4. obrien234

    obrien234 New Member

    Messages:
    5
    Location:
    Illinois
    Unfortunately it is rather loud and does kick out a bit of sewer smell. It looks like I'll give the AAV a shot and see how things go from there. Thanks for the quick replies!
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