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  1. #1
    David Rolland's Avatar
    David Rolland Guest

    Default Can you tell me what this is?

    The following was a question/description referred to me.

    "The grid is on the main level of my house and seems to have something to do with my boiler and the in-floor heating. There is a long ventilation pipe connected to the grid that goes to the outside and periodically the grid and the pipe make a noise when air is moving through it; it sounds like a tumble dryer is running but the pipe is cold. The top bar in the grid is warm, the bottom bar is cold.
    This grid made little noise until about a year ago when a service person made some changes to my boiler.
    What is this and should it make this noise?"



    I think the description given is a little inaccurate.

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  2. #2
    Join Date
    Feb 2008
    Location
    New York
    Posts
    869

    Default Re: Can you tell me what this is?

    Quote Originally Posted by David Rolland View Post
    The following was a question/description referred to me.

    "The grid is on the main level of my house and seems to have something to do with my boiler and the in-floor heating. There is a long ventilation pipe connected to the grid that goes to the outside and periodically the grid and the pipe make a noise when air is moving through it; it sounds like a tumble dryer is running but the pipe is cold. The top bar in the grid is warm, the bottom bar is cold.
    This grid made little noise until about a year ago when a service person made some changes to my boiler.
    What is this and should it make this noise?"

    I think the description given is a little inaccurate.
    Looks like hot water heating tube/fins to me. There should be no air in the loop and if there is, that is the cause of the noise.

    If it is a loop (or part of a loop), both tubes should feel the same. Could be an air problem. Try bleeding the lines.

    PS, There also may be a booster fan in there (but I don't see one), which could also be noisy, especially if the fan bearings are worn.

    Last edited by Steven Turetsky; 11-26-2012 at 05:41 AM.
    Steven Turetsky, UID #16000002314
    homeinspectionsnewyork.com
    eifsinspectionsnewyork.com

  3. #3
    David Rolland's Avatar
    David Rolland Guest

    Default Re: Can you tell me what this is?

    Thanks for the reply Steven.


  4. #4
    Join Date
    Feb 2008
    Location
    Caledon, Ontario
    Posts
    4,982

    Default Re: Can you tell me what this is?

    Are you sure this is not an electric forced air electric resistance heater?

    Expanding and contracting metal when heated can make noise.

    Last edited by Raymond Wand; 11-26-2012 at 04:04 PM.

  5. #5
    David Rolland's Avatar
    David Rolland Guest

    Default Re: Can you tell me what this is?

    I am not sure about anything in regards to the pic or description, although it does look like a copper tube with fins. The house in question is on the opposite site of the city otherwise I'd go have a look. I'm going to have a chat on the phone to draw out more info. Thanks for the input.


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