![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://i.redd.it/j9mnonzn7nu91.jpg)
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
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
![Wasserstein 24-Volt Transformer and C-Wire Adapter for Google Nest Thermostat, Learning Thermostat, Thermostat E and Wyze Thermostat 24VAdapter25ftWhtUSA - The Home Depot Wasserstein 24-Volt Transformer and C-Wire Adapter for Google Nest Thermostat, Learning Thermostat, Thermostat E and Wyze Thermostat 24VAdapter25ftWhtUSA - The Home Depot](https://images.thdstatic.com/productImages/368f3dd6-d1b1-4460-9fce-99d5f232b5a3/svn/wasserstein-home-safety-accessories-24vadapter25ftwhtusa-44_600.jpg)
Wasserstein 24-Volt Transformer and C-Wire Adapter for Google Nest Thermostat, Learning Thermostat, Thermostat E and Wyze Thermostat 24VAdapter25ftWhtUSA - The Home Depot
![Thermostat basic 2-wire control | Thermostat wiring, Refrigeration and air conditioning, Digital thermostat Thermostat basic 2-wire control | Thermostat wiring, Refrigeration and air conditioning, Digital thermostat](https://i.pinimg.com/736x/27/31/0a/27310a14d9605a285bf1d3757ead7794.jpg)
Thermostat basic 2-wire control | Thermostat wiring, Refrigeration and air conditioning, Digital thermostat
![Best smart thermostat for my heating system? Looking for recommendations that will work for this system. It appears to be lacking a “c” wire and I do not see any other wires Best smart thermostat for my heating system? Looking for recommendations that will work for this system. It appears to be lacking a “c” wire and I do not see any other wires](https://preview.redd.it/ikgxuq2s5k981.jpg?width=640&crop=smart&auto=webp&s=fb3679648b5ff176cb622df1164203b584dd58e4)