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Jimbo170412
Community Member
since ‎01-15-2023
‎01-27-2023

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I have a York heat pump system, Model MV16CN21CC, which is currently using a "Communicating Thermostat Control". 4 wires designated A, R, C and B. On the circuit board they go to A, R, C and B terminals. I dont think this is compatible with the nest....