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  1. #1

    Default HVAC Return Loop

    Greetings All,

    I'm trying to reach an HVAC tech on this, in the meantime, I'd appreciate your feedback. I did an 11mos. warranty inspection and found this.

    A split unit a/c servicing the upstairs has a duct that appears to loop from the supply to the return with no branches. A weighted damper is installed in the middle of the run.

    Has anyone seen this?

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  2. #2
    Join Date
    Mar 2007
    Location
    Plano, Texas
    Posts
    4,170

    Default Re: HVAC Return Loop

    Yes, usually part of a zoned system to allow pressure bleed off when part of the system is off.
    What is your question?

    Jim Luttrall
    www.MrInspector.net
    Plano, Texas

  3. #3
    Ted Menelly's Avatar
    Ted Menelly Guest

    Default Re: HVAC Return Loop

    Quote Originally Posted by Michael Scher View Post
    Greetings All,

    I'm trying to reach an HVAC tech on this, in the meantime, I'd appreciate your feedback. I did an 11mos. warranty inspection and found this.

    A split unit a/c servicing the upstairs has a duct that appears to loop from the supply to the return with no branches. A weighted damper is installed in the middle of the run.

    Has anyone seen this?
    Love that sediment trap, sideways, not traps, cleanouts or venting and I love the idea of the duct being on top of the unit to keep it warm/cold, and the foam blocks the entire unit is supported by.

    Oh yeah, back to the question, As Jim said, I think, ballancing the system


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