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TheGadgeteer · 03-19-2023

I have backup power to my 120 volt circuits. My natural gas boiler functions on 120 volts and consumes only about 90 Watts. Almost all of that 90 Watts is the water circulating pump. So I should have heat when the power goes out, right? No. The Nest ...

TheGadgeteer · 04-30-2023

I do not think you thoroughly read the original post. The problem is if there is no power to Y1 (air conditioning), I cannot run the heat because of the error being displayed even though there is power to the heating system.I have back up power for t...

TheGadgeteer · 04-15-2023

Zoe,The error I get is E30.My heating system has backup power in case of emergency but my air conditioning does not.Currently when this error message regarding the A/C is displayed, the thermostat turns off the heat. The only way to get the heat work...

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Safety Feature Request: Heat During Power Failure - Nest Thermostat

Re: Safety Feature Request: Heat During Power Failure - Nest Thermostat

Re: Safety Feature Request: Heat During Power Failure - Nest Thermostat