Google Nest Community

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1.When was the thermostat installed?20192. When did you first notice this behavior?This month3. Was it installed by a Nest Pro or by a heating/electrical engineer?Shell energy installed it4. Did you notice any power cut in the area before this occurr...

Hey, thanks for the response, he's checked everything and says the heatlink needs to be replaced. Any ideas where I could get a new one?