Accustomed to snap pastel smart thermostat 3 wire mere Gladys Persuasion
Review of the Ecobee 3 Lite Smart Thermostat | Stephen Smith's Blog
Old thermostat only had these three wires. My nest thermostat is “working” with this setup, but with the N260 error. Can I salvage this setup somehow? : r/Nest
help with amazon smart thermostat, which goes where on these last 3 wires? thanks : r/hvacadvice
Help with Thermostat wiring, please! | Screwfix Community Forum