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3rd gen nest thermostat. Opened my sister and this yellow wire isn’t
Thermostat wiring to a furnace and ac unit! color code, how it works 3rd gen nest thermostat. opened my sister and this yellow wire isn’t Furnace wiring code
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Thermostat Wiring to a Furnace and AC Unit! Color Code, How it Works
3rd gen nest thermostat. Opened my sister and this yellow wire isn’t