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Bobbretto
Community Member
since ‎08-20-2023
‎08-21-2023

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Taco SR503 and Nest Thermostat - Says R wire or C wire disconnected, but not both.

08-20-2023
I have a boiler in the basement, with two thermostats, one in the basement, and one on the first floor.The first floor thermostat is working with a Google Power Connector, with it being connected to the COM port on the Taco SR503 board, and the old w...