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    mjsinapi's Avatar
    mjsinapi Posts: 1, Reputation: 1
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    #1

    Apr 16, 2009, 07:29 AM
    Useful life of unit
    I have a Bryant Unit which was installed in August of 1990 (Ultimate Plus 90) what is the typical useful life of this unit ?
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #2

    Apr 16, 2009, 10:15 AM

    Most furnaces have a typical life expedency of 16 to 24 yrs
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
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    #3

    Apr 16, 2009, 03:28 PM
    And longer,, or shorter life, so much is according to how well it has been taken care of, kept clean, serviced on regular bases make a big difference
    letmetellu's Avatar
    letmetellu Posts: 3,151, Reputation: 317
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    #4

    Apr 16, 2009, 07:34 PM

    A freon leak that is pulled up into the flames of the furnace burners or pilot will shorten the life be many years.

    Freon when burned creates phosgene gas and this is very corrosive to metal, especially the heat exchanger.
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #5

    Apr 16, 2009, 07:39 PM

    How can that happen?
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
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    #6

    Apr 17, 2009, 01:31 PM
    Has happen more than you would think,, more so on down flow furnaces where the -coil is on the bottom below where the burners are
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