Old thermostat has R and RC. New one has RH and RC. Does RH replace R? : r/askanelectrician
:max_bytes(150000):strip_icc()/what-thermostat-terminal-letters-mean-1152699-02-974516060ae7406b9360c6d4e71097a7.jpg "Understanding the Terminal Letters on a Thermostat")
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I have Rc and Rh wires, no jumper. Nest only has R terminal. I have separate cooling and heat. Is my system incompatible? : r/Nest
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