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Heater won't refire after it warms up

My heater is plugged into a thermostat that I have set at around 65 degrees my garage is appox. 30 degrees. When the heater is cold and I first plug it in it runs good after the thermostat is satisfied and the heater shuts off the temp. of course drops to where the thermostat again fires up the heater ( which is still warn ) now the heater will run blowing out lots of smoke but not fire up for anywhere between 10 secs. to the point where I have to manually unplug it. The next day or when the heater has totally cooled its initial start is fine then the problem starts all over. Any ideas ? The heater is a Ready Heater Pro 150,000 btu Thanks, Mike

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I would think the thermostat is bad and needs replaced!
(this is a most common problem with this model!)
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Thank You!

Posted on Jan 22, 2009

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CAD flame sensor is bad, 3$ part and easy to install.

Posted on Jan 22, 2009

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1 Answer

Trying to set temp on honeywell t-stat


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Have installed a new Honeywell thermostat. The fan does not turn off even when the room has reached the desired temperature. I originally replaced th ethermostat because the old one the fan ran forever and...


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