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Nancy3
Community Member
since ‎06-13-2022
‎06-17-2022

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Google Nest thermostat compatibility with our heating and wiring system?

06-13-2022
We have a boiler, hot water heating system with cast iron radiators (older home). Current thermostat has three wire connections RH, RC, and W (RH and RC are wired together). What Nest will work without additional wiring?