Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater
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Posted on Jan 02, 2017
Try to find a reset button or just change out the thermostat. I'm guessing you don't have the manual. Thats a pretty old model, I think you have to set the time and day before you can use the thermostat.
Posted on Dec 30, 2009
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