“I have older NESTs in my home. They are 2 wired heat only. two are not functioning wHAT CAN i REPLACE THESE WITH”

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• Hey there! Thanks for your interest. The Nest thermostats are designed to work with most 24 V systems, including old systems. The brand or model doesn’t matter, you’ll only need to know what type of system you have. You can visit our website to learn more about the Nest Thermostat compatibility, here: https://support.google.com/googlenest/answer/9246656

  Answered by Nest Support 1 year ago

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• i had to return mine

  Answered by redsea 2 years ago

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