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Lou66
Community Member
since ‎11-21-2021
‎11-29-2021

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  • 2 Posts
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Nest 3rd generation heat link H72

11-21-2021
Our thermostat is not working. We have hot water but the heating is not coming on the error code is H72. There is power going into the heat link however heating still not working. Cold night ahead. We tried all trouble shooting but nothing works.