Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater
Look to see if you have it wired correctly with the o terminal be used and then check to see if you have a jumper wire between the Y and W terminal on the Base of the tstat where you hooked all the wires up.
Posted on Feb 14, 2009
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Posted on Jan 02, 2017
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