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Re: [GMCnet] Duo-therm furnace [message #74875 is a reply to message #74853] Wed, 24 February 2010 08:09 Go to previous messageGo to previous message
Steven Ferguson is currently offline  Steven Ferguson   United States
Messages: 3447
Registered: May 2006
Karma:
Senior Member
I had a similar problem and cleaning the points in the thermostat solved it.

On Tue, Feb 23, 2010 at 11:50 PM, Bob Cook <bcgmc@verizon.net> wrote:
>
>
> I had the same problem.  It turned out to be a high resistance in the thermostat.  Try shorting the thermostat wires together at the furnace.  If it fires off, replace the thermostat.
> --
> Bob Cook
> 78 Birchaven
> 75 Avion (In work)
> Redondo Beach, CA
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--
Steve Ferguson
'76 EII
Sierra Vista, AZ
Urethane bushing source
www.bdub.net/ferguson/
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