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DOut12 · 12-02-2022

I have a Nest thermostat that I thought would work with my existing system. I have oil fired baseboard heat only. The existing thermostat has only 2 wires, red and white. There is no c terminal at the control panel to use the power control unit. I do...

DOut12 · 12-18-2022

Looks like I'm all set. Things are working as they're supposed to now.

DOut12 · 12-13-2022

Glad it worked for you. I wish had been easier to find. I think the reason I had errors was that I had tried installation before doing this setup and that may have not been cleared out of the unit when I first tried it this way. It isn't that difficu...

DOut12 · 12-10-2022

Wired it today. At first I was getting an error code. Removed the Nest from the app and factory reset the thermostat. Set it up again and it seems to be working. No more error messages, wiring info looks OK. I wish this had been easier to find when I...

DOut12 · 12-09-2022

So I found something here https://storage.googleapis.com/support-kms-prod/k5rpNEXV1F0aVYhr8jN1L2GAxhcAPDXhk39r that shows how to connect with a separate transformer using the Nest Power Connector. I haven't tried it yet but hoping that will fix thing...

DOut12 · 12-08-2022

Thanks for the reply. I already have the Nest Power Connector, but with no c terminal at the boiler control there is no way to use, at least not the way the instructions show. That is why I said I can get another wire to the thermostat from a separat...

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