wiring of nest learning thermostat

[mickeymouse1960]

I am trying to replace my existing thermostat with the Nest learning thermostat model A0013.

The existing thermostat has two wires one wire and black. how to I connect the Nest thermostat?

[Markjosephp]

Hello mickeymouse1960,

It's great that you're upgrading to a Nest Learning Thermostat. I'd be happy to take a look at this for you.

Since you only have two wires (one white and one black) from your existing thermostat, you'll follow a simple installation process for the Nest Thermostat. But to be sure of its compatibility, can you share with us a photo of your existing thermostat's wiring setup?

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I'll look forward to your response.

Regards,
Mark