EWC Controls Forum

Eric, That's what I figured. Look at the below response I got from a nest representative, do you think it has any merit? I looked at the photo you sent and it looks like you are compatible. Congratulations! Most of your wires will plug into similar terminals on the Nest, the only one that will be ...

Hi, I have an Ultrazone EWC ST 3E on a forced hot air system with 3 zones and AC. I understand that the Nest Thermostat will not work with this control planet because it does not have the seperate O & B terminals. Which panel would replace the ST 3E and gain me functionality to run a Nest Thermostat ...