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Thanks Ballengerb1 for the help. You are correct assumiing we have a gas furnace. We plan on not connecting the blue wire at all and capping it off. Is this correct? Thanks!!

The wiring out of my wall for my thermostat is Blue, Red, Green, Yellow, and white

My old nonprogrammable thermostat's wiring was connected by

C (blue),R (red),G(green),Y(Yellow),W(white)
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