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Up date thermostat

Mestair5
Community Member

‎10-20-2025 07:57 AM

I have these two stats. 
Which one or both have to replaced due to connect issues starting  this month. 
software version 1.5.39/3.1 model backplate 5.4

the 2nd nest stat 

software version 4.2.8/3.1 model backplate 2.21

thank you 

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AndersC
Community Specialist
Community Specialist

‎10-23-2025 05:56 PM - edited ‎10-23-2025 06:12 PM

Hi @Mestair5,

 

Thank you for posting in the community. I understand you're looking for information on whether or not your Nest Thermostat units need to be replaced due to connection issues. I'm here to help.

Could you provide more details about the connection issues you're experiencing with your Nest Thermostat and let me know the model of your Nest Thermostat?

You can compare your thermostats with the ones shown in the article How to tell which Nest thermostat you have.

Keep me posted.

 

Regards,

Anders

 

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