Question about Honeywell Programmable Thermostat Heater

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Install a digital Honeywell thermostat

I am trying to install a digital thermostat and I need to know the way the wires need to be hooked up.

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What kind of system do you have (furnace with heatcool, heat pum or boiler )? Is there a themostat there now. How many wires does it have. If you have a furnace and you have heat&cooling install red wire to r on thermostat white wire to w and green wire to g. The g wire is usually for the fan. If there is a thermostat there now the old one should have the same letters on the back by where the wires hook up. The color of the might be diffrent than the ones i used for an idea.

Posted on Jan 18, 2009

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Posted on Jan 02, 2017

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