Re: How do I wire to nest? 2 wires are connected t... - Google Nest Community
How to install Nest Thermostat on an old furnace with no C wire? - The Nomad Studio
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