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Furnace Switch Problem

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Old 01-29-2004, 02:39 PM   #1
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Furnace Switch Problem


I just had a HVAC company come out and look at my Heating unit. The problem is the heater keeps tripping the breaker. They looked at the unit and said that I need a new Furnace Switch and they don't fix those we have to talk to an electrician. Is this true? How much should I expect to pay? Is this something that I could do myself? This house is only 3 years old is this normal?


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Old 01-30-2004, 06:21 AM   #2
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Re: Furnace Switch Problem

Which switch are they talking about?


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Old 01-30-2004, 07:56 AM   #3
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Re: Furnace Switch Problem

My guess is the poster is talking about a breaker for an electric heat unit. Not a furnace. These slam bam DIY homes probably have one #10 wire pulled to the air handler trying to serve 15 kw. Then wonder why a 30 amp breaker trips.
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Old 01-31-2004, 05:51 AM   #4
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Re: Furnace Switch Problem

That will make a bang when she trips
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Old 02-03-2004, 01:03 PM   #5
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Re: Furnace Switch Problem

I had a similar problem a few years back. It seems the air handler in th attic space (two zone house) was wired direct to the unit with aluminum wire. The problem was the aluminum wire generated to much heat during the heat cycle thus throwing the breaker in the unit. Reset the breaker and the unit would run for a day or two or sometimes less. The fix=Run aluminum wire to new disconnect located near unit in attic. From disconnect run copper wire directly to unit. Not a problem anymore.....Billy
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