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Nice learning thermostat compatibility

ClausZ
Community Member

I have an old Carrier thermostat with the wires Rh  C  G  Y/y2

                    O/B.  Y.1

I'm trying to figure out if my new Nest learning thermostat Gen 3 is compatible with my old system

 

1 REPLY 1

Rusell
Community Specialist
Community Specialist

Hi ClausZ,

 

Thank you for posting in the community.  I understand that you want to know the compatibility to install the Nest Thermostat.

Before I begin with troubleshooting, i need to you responses the following questions about your concern:

  • To help us get a better picture of what's happening, do you mind sharing a photo of the old wiring?

 Keep me posted

 

Best regards,

Rusell.