I am replacing an old Honeywell thermostat heat only. The wires are not labeled and no label on the terminal. What would the brass terminal wire color be and what color would
![2-Wire heat only furnace for Nest E. The Nest is having problems staying powered. Can I use an external 24V power supply? How would I route the additional wires? https://www.amazon.com/dp/B07FT2RCG9/ref=tsm_1_tp_tc : r/ Nest 2-Wire heat only furnace for Nest E. The Nest is having problems staying powered. Can I use an external 24V power supply? How would I route the additional wires? https://www.amazon.com/dp/B07FT2RCG9/ref=tsm_1_tp_tc : r/ Nest](https://i.redd.it/sh6zbm6409h61.jpg)
2-Wire heat only furnace for Nest E. The Nest is having problems staying powered. Can I use an external 24V power supply? How would I route the additional wires? https://www.amazon.com/dp/B07FT2RCG9/ref=tsm_1_tp_tc : r/ Nest
![MincoHome Programmable WiFi Thermostat Touch Screen Tuya Smart Temperature Controller for Dry Contact Gas Boiler Warm Floor Heating Two Wire(Black Gas Boiler) : Amazon.co.uk: DIY & Tools MincoHome Programmable WiFi Thermostat Touch Screen Tuya Smart Temperature Controller for Dry Contact Gas Boiler Warm Floor Heating Two Wire(Black Gas Boiler) : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/41USEtHaYfL._AC_UF894,1000_QL80_.jpg)
MincoHome Programmable WiFi Thermostat Touch Screen Tuya Smart Temperature Controller for Dry Contact Gas Boiler Warm Floor Heating Two Wire(Black Gas Boiler) : Amazon.co.uk: DIY & Tools
![heating - Wifi thermostat to replace old mechanical 2-wire 110V Honeywell? - Home Improvement Stack Exchange heating - Wifi thermostat to replace old mechanical 2-wire 110V Honeywell? - Home Improvement Stack Exchange](https://i.stack.imgur.com/YnlT0.jpg)