![electrical - Installing Nest 3rd generation thermostat from Old Trane Weathertron Thermostat (Mercury one) - Home Improvement Stack Exchange electrical - Installing Nest 3rd generation thermostat from Old Trane Weathertron Thermostat (Mercury one) - Home Improvement Stack Exchange](https://i.stack.imgur.com/rFUqQ.jpg)
electrical - Installing Nest 3rd generation thermostat from Old Trane Weathertron Thermostat (Mercury one) - Home Improvement Stack Exchange
![electrical - Installing Nest 3rd generation thermostat from Old Trane Weathertron Thermostat (Mercury one) - Home Improvement Stack Exchange electrical - Installing Nest 3rd generation thermostat from Old Trane Weathertron Thermostat (Mercury one) - Home Improvement Stack Exchange](https://i.stack.imgur.com/hqnQE.jpg)
electrical - Installing Nest 3rd generation thermostat from Old Trane Weathertron Thermostat (Mercury one) - Home Improvement Stack Exchange
![TOSOT 9,000 BTU Ductless Mini-Split Inverter Heat Pump Air Conditioner 230V | Heating & Cooling | WiFi Enabled – TOSOT Direct TOSOT 9,000 BTU Ductless Mini-Split Inverter Heat Pump Air Conditioner 230V | Heating & Cooling | WiFi Enabled – TOSOT Direct](https://tosotdirect.com/cdn/shop/files/1_3e5bca02-f796-40d3-b14d-b51b1a0ba2f6_grande.jpg?v=1684207923)
TOSOT 9,000 BTU Ductless Mini-Split Inverter Heat Pump Air Conditioner 230V | Heating & Cooling | WiFi Enabled – TOSOT Direct
![I'm trying to replace an old Trane Weathertron Themostat Model No 3AAT80B1A1 with a new Honeywell TH9320WF5003. Just I'm trying to replace an old Trane Weathertron Themostat Model No 3AAT80B1A1 with a new Honeywell TH9320WF5003. Just](https://f01.justanswer.com/kKrNSXZi/IMG_0451.jpg)