![Recently installed Amazon smart thermostat only has the option for heat. Are my wires connected correctly? : r/hvacadvice Recently installed Amazon smart thermostat only has the option for heat. Are my wires connected correctly? : r/hvacadvice](https://preview.redd.it/recently-installed-amazon-smart-thermostat-only-has-the-v0-4e0pvhrb1v4a1.jpg?auto=webp&s=c12cf7aca8a95fc19c8885ef239adc71f64413c5)
Recently installed Amazon smart thermostat only has the option for heat. Are my wires connected correctly? : r/hvacadvice
![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
![Trying to replace this old 2 wire thermostat for a newer digital one. Problem is older unit does not have leads labeled or which cable is which. Any help on how to Trying to replace this old 2 wire thermostat for a newer digital one. Problem is older unit does not have leads labeled or which cable is which. Any help on how to](https://preview.redd.it/j9mnonzn7nu91.jpg?width=1080&crop=smart&auto=webp&s=98c460b8fab42b4fe9fbb871ad059a0669a65cd4)
Trying to replace this old 2 wire thermostat for a newer digital one. Problem is older unit does not have leads labeled or which cable is which. Any help on how to
![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)
heating - Wifi thermostat to replace old mechanical 2-wire 110V Honeywell? - Home Improvement Stack Exchange
![2 to 8 Wire All Thermostats Wiring Diagrams (Honeywell, Nest) | Thermostat wiring, Thermostat, Electrical diagram 2 to 8 Wire All Thermostats Wiring Diagrams (Honeywell, Nest) | Thermostat wiring, Thermostat, Electrical diagram](https://i.pinimg.com/originals/45/2d/cd/452dcd199d840f3929b6b52f03c0481b.png)
2 to 8 Wire All Thermostats Wiring Diagrams (Honeywell, Nest) | Thermostat wiring, Thermostat, Electrical diagram
![wiring - 2 wire thermostat wire want to be able to select fan only - Home Improvement Stack Exchange wiring - 2 wire thermostat wire want to be able to select fan only - Home Improvement Stack Exchange](https://i.stack.imgur.com/eH39I.jpg)