B wire? Common or not? : r/thermostats
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Thermostat wires break down wt white wire is heat. Y is yellow and is your compressor. G green is you… | Thermostat wiring, Refrigeration and air conditioning, Wire
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Is the 'C' wire in my thermostat labeled as 'B'? : r/ecobee
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I'm getting heat when calling for air conditioning
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Does anyone know if my Trane "B" wire can be used as a "C" wire? Also why is the "W1" wire also lableled "O"? : r/hvacadvice
W2 and O/B on my hvac .
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hvac - Rth5160d1003 New Thermostat wiring from Older 7 Wire Setup o & b wires? - Home Improvement Stack Exchange
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Is the 'C' wire in my thermostat labeled as 'B'? : r/ecobee
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Heat Pump Thermostat O, B, and C Terminal Variations Explained - YouTube
Looking for wiring advice for WiFi thermostat(s) - Coffee Shop - Universal Devices Forum
Can anyone help with figuring out wiring for the Thermostat? O/B vs O and B separate - Home - Wyze Forum
