I have a thermostat that I need to wire colors of wires in the wall are
Red, Yellow, White, Green, Orange, Blue, Brown, and Black
Thermostat wiring is R, Y1, Y2, W2, E, G, O, B, L, C This is Thermostat 1
I also have a new Thermostat that has G, RC, RH, Y/O, W/B, Y1
WHAT DO I NEED TO DO TO MAKE THE HEAT TURN ON?