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krybrn1
Community Member
since ‎11-26-2021
‎12-03-2021

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One extra wire?

11-26-2021
I currently have a Robert Shaw thermostat, it has all the wires that a Nest one requires, but it also has a wire that is lettered EW1 and I can't find it on the compatibility site. What is the EW1 wire and will a Nest work on this system?