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Installing a Nest Thermostat for heating with an ARGO 6P Zone controller
Replacing a Honeywell 2 wire thermostat with a Nest "Smart" thermostat is causing chattering of the relays. I've been reading forums and called both Nest as well as ARGO for advice. Nest simply told me to run a 3rd wire to the common terminal on the Nest which is a major hassle in an old house. I've also read about installing a local 24 volt power source near the Nest thermostat which is clunky in my opinion. Any thoughts or ideas are welcome. Thanks