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Thermostat wiring
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Thermostat wiring
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I'm replacing an old thermostat - a honeywell clock system - with a new programmable unit. The wiring coming out of the wall is 2 orange wires and two blue wires, but none of the ports on the old thermostat are labeled, so I can't figure out what is what. My system is heat only, older fifties oil...
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We just bought an older house and are in the process of replacing 1960's wood paneling with drywall. The thermostat had been "painted" onto the paneling (many times over). After I removed the screws, I had to pry the t'stat away from the wall, which caused the wires to become dislodged from their...
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I am having trouble figuring out the wiring for a new programmable thermostat installation. I am replacing a RobertShaw 9420 thermostat. I bought Honeywell RTH7500D programmable thermostats to replace it because I wanted a programmable thermostat. I have central AC and a heat pump. The curret... View more questions Search
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