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Thread: heat exchangers

  1. #14
    Join Date
    Jun 2003
    Location
    Chicago, IL
    Posts
    4,322
    Quote Originally Posted by Glenn Harrison View Post
    I just attended their class this fall as well. I was shocked with some of the things they have found with tubular heat exchanger's, as well as some very new condensing furnaces failing.

    Just curious, what were the failures on tubular heat exchangers? I have only seen two failed. (excluding Carrier RTUs, which are pretty much all failed)

  2. #15
    Join Date
    Jan 2002
    Location
    Palatine Il.
    Posts
    385
    Quote Originally Posted by craig1 View Post
    Just curious, what were the failures on tubular heat exchangers? I have only seen two failed. (excluding Carrier RTUs, which are pretty much all failed)

    On residential the crimps are coming apart, where the tubes are crimped into the face plate, or as an example when you go from the larger tubes into the transition box and into the smaller tubes, those crimps are coming loose, and in some cases you can pull the tube(s) completely out of the faceplate or transition box.
    Hi, my name is Glenn, and I'm a Toolaholic!

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