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Jd11420
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02-23-2022
03-02-2022
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Connecti h wire
02-23-2022
Trying to upgrade an old thermostat to nest, I have the following wires, yellow, white, red and blue.. in many videos he 4th wire is green.. I'm confused as to where this blue wire goes..
Re: Connecti h wire
02-23-2022
Correction, I have the green wire but don't have the yellow