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I have a Carrier 58DX080CC Forced air furnace that is leaking water onto the floor, but otherwise works perfectly. A service guy told me I need a new Coil, but it probably wouldn't pay to repair it, and that I should replace it. His quote to replace was about $6K. I found the part, Z7-58DX080CC-91CW at United parts supply for $890. The unit was manufactured in 1988 and is 90% efficient. What should I do? Buy the part and hire somebody to fix it? Buy a new one? The new price he quoted was reallly high, but I don't know how much these things cost. He thought the cost to repair it IF he could find the part was about $2,000.

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  • jeff14 Sep 09, 2009

    The filter is clean, so that's not a problem. I hadn't thought about the drain hose. I'll check that and get back to you. Thanks.

  • jeff14 Sep 11, 2009

    I have a tech guy coming over this afternoon. Right now there is nothing wet that I can feel, but there are plenty of water marks around the base of the furnace, and on the floor tiles around the furnace. During this summer we've run the AC about once a week, and the filter is clean. Can you give me advice on ways to get teh tech to test for the coil, the hose, or something else? The first guy I had here just said it was the coil, and left. Thanks.

  • jeff14 Sep 11, 2009

    Turned out to be a clogged hose. So thanks!

  • jeff14 Sep 12, 2009

    Great solution that saved me alot of money. Thanks.



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If you are running a high efficiency forced air furnace then check the drain hose and make sure it isn't blocked or crimped. These furnaces tend to take a lot of humidity out of the combustion air (air from outside) and they are supposed to have a hose from the unit to the floor drain in your basement.

If you have hot water radiators, then you have a leak somewhere.

If you haven't even turned on the furnace yet but have air conditioning running through the heating unit then the condenser coil has frozen up. The main reason for this happening is a dirty filter. Turn off the A/C for a few hours to let it thaw and replace your filter.

About coil, i still have a doubt. I am not positive. To be on a safe side, either call some other tech or call Carrier at ;-

1-800-CARRIER for immediate customer assistance from 8:00a -5:00p (EST) weekdays.

Hope i helped you.


Posted on Sep 09, 2009

  • taran_2005
    taran_2005 Sep 09, 2009

    Thanks for your response!!

    That might be one of the reasons. Check and let me know once done!!


  • taran_2005
    taran_2005 Sep 12, 2009

    Thanks for your response!!

    That's what i initially thought :)

    I am glad that you issue has been resolved.

    Thanks for using ' Fixya ' and see you in Future if you have any doubts!!




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