Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater
Even though we set the thermastat up for the heat to come on, it does not. When in Cool position, the heat comes one although all wires are connected as instructed.
Have you programed the tstat for your system? look at your installers book.
Posted on Oct 20, 2008
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Posted on Jan 02, 2017
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