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Mginwyo
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01-12-2025
01-20-2025
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Re: Heat setting blowing cold air, Generation 4, heat pump operation
01-12-2025
I have similar issue today on a nest thermostat and installing on heat pump dual fuel system. Red to r orange to o/b yellow to Y. Blue to c. Green t g. W2 to w. Blows cold air and won’t engage propane heat
