I have central AC/Heating in an apartment. Looks like this old thermostat does not have a C wire. And I’m not sure where the furnace is to hookup this c wire adaptor. I assume that furnace is shared throughout the complex? Would not want to mess with it. I ordered the “Wasserstein 24V Transformer” that says it works with wyze. How would I configure this? What terminals should I select and tell the wyze app? Right now I only have R / W / G / Y. Thanks in advance.
You can plug your 24v adapter pins to C and RH on your wyze tstat unit.