Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater
Me centeral air or heat will not come on i changed the thermastat and still nothing the breakers are also good
If the system is not to old it could have a fuse on the control board or it could be a bad transformer
Posted on Dec 01, 2008
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Posted on Jan 02, 2017
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