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Thread: AAV or vent

  1. #1
    mathew stouffer's Avatar
    mathew stouffer Guest

    Default AAV or vent

    This trap are is about 8 inches. Is an AAV or vent required prior to the line down sloping.

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  2. #2
    Join Date
    Mar 2007
    Location
    Spring Hill (Nashville), TN
    Posts
    5,847

    Default Re: AAV or vent

    Quote Originally Posted by mathew stouffer View Post
    This trap are is about 8 inches. Is an AAV or vent required prior to the line down sloping.
    A plumber who knows how to plumb sinks properly is needed!

    Scott Patterson, ACI
    Spring Hill, TN
    www.traceinspections.com

  3. #3
    Join Date
    Dec 2007
    Location
    Holladay, UT
    Posts
    565

    Default Re: AAV or vent

    Mathew, It looks like handyman plumbing 101. I also write up the flexible pipe; One or more sink drains use flexible drain pipe. This type of drain pipe is more likely to clog than smooth wall pipe. Recommend having a qualified plumber replace this pipe with standard plumbing components (smooth wall pipe) to prevent clogged drains. Must be nice up there in PC when it's this hot down here.

    Tom Rees / A Closer Look Home Inspection / Salt Lake City, Utah

  4. #4
    Bruce Booher's Avatar
    Bruce Booher Guest

    Default Re: AAV or vent

    That is called a "S" trap for good reason, and is "illegal". Do you know for sure what is behind the wall? Are you sure there is no tee and vent?
    AAV and a vent aren't really alternatives, the AAV is a different type of vent. If you are sure there is no vent pipe in the wall and the owner/buyer/whoever isn't going to run a pipe vent, I think the AAV is a good alternative. The "S" trap needs to go. There should be no need for a flex pipe with all the room they have under there.


  5. #5
    Join Date
    Dec 2007
    Location
    Holladay, UT
    Posts
    565

    Default Re: AAV or vent

    It looks like if they made the tail pieces longer they could go straight into the wall without the need for the inverted trap at back. I'm not a plumber but I could do better than that.

    Tom Rees / A Closer Look Home Inspection / Salt Lake City, Utah

  6. #6
    Join Date
    Nov 2007
    Location
    Chicago
    Posts
    548

    Default Re: AAV or vent

    They should of came out of the wall with a 45 degree elbow, a short peice a pipe then a trap adaptor. Then they could of used a standard P-trap. The way they did this it makes an S-trap.


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