![Amazon.com: Refrigerator Bimetal Defrost Thermostat by AquaMonica Fridge Freezer Defrost Temperature Control Switch (-5℃ Three-Wire (Square)) : Appliances Amazon.com: Refrigerator Bimetal Defrost Thermostat by AquaMonica Fridge Freezer Defrost Temperature Control Switch (-5℃ Three-Wire (Square)) : Appliances](https://m.media-amazon.com/images/I/71LcHqgy0CL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Refrigerator Bimetal Defrost Thermostat by AquaMonica Fridge Freezer Defrost Temperature Control Switch (-5℃ Three-Wire (Square)) : Appliances
![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 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](https://preview.redd.it/enq2wyktuks91.jpg?width=640&crop=smart&auto=webp&s=43aacd301103d1f72c6bb1179cfb5d11ba6958a8)
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
![wiring - How to figure out how to wire a 2 wire furnace to 3 wire thermostat - Home Improvement Stack Exchange wiring - How to figure out how to wire a 2 wire furnace to 3 wire thermostat - Home Improvement Stack Exchange](https://i.stack.imgur.com/2GD2h.jpg)