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bush 12-12-2007 12:38 PM

Carrier 58MXA furnace problems
Greetings from da UP of Michigan,

We have two 58MXA furnaces that are nine years old/our house is also nine years old. They are installed in the basement. In year 8 we had to replace the Burners in one of them. Within the past couple of weeks we have had to replace the second furnace Burners AND both Heat Exchangers. Both exchangers were rusty and had excessive amounts of goo on them. Only the exchangers were "under warranty". We did have to pay labor. We are up to $1,500. Our builder, super honest and good guy, says that they should not fail.

Can any one help or suggest a course of action?

Thanks, bush

hvac122 12-12-2007 02:54 PM

Not quite sure what you after as a course of action. Sounds like they need repaired. Make sure that after the repairs are done the service people check the temperature rise of both units and also calcualte the CFM and static pressure of the duct systems. This may give them a clue as to why they failed.

bush 12-12-2007 04:31 PM

Carrier 58MXA
hvac122, Thanks for the quick reply. I should have stated that was interested in seeing if there was a recall or some other like problems. I have lived from the North to the deep South and East Coast to the Pacific North Wet and NEVER had a furnace with such or so many problems. Do I have a gripe with Carrier?

Summit Heating & Air 12-12-2007 07:14 PM

I've seen rusty heat exchangers as a result of low gas pressure. Also be sure the basement humidity level is not too high.

HvacWiz 12-12-2007 08:25 PM

Is there a water softner nearby?

hvac122 12-12-2007 08:42 PM

Usually its more in the installation than the equipment. Thats what the others are getting at. Could be alot of different things that caused the units to go bad this early.

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