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Nest Extra Wires

DaveG929
Community Member

My old thermostat has two extra wires, R2 and Y2. Where should I attach them? Thanks for your help. 

2 REPLIES 2

DaveG929
Community Member

Sorry, meant to write Rc. Thanks 

Patrick_Caezza
Diamond Product Expert
Diamond Product Expert

@DaveG929 

Post a picture of the original thermostat wiring


To ensure that I see your reply, please tag me using @Patrick_Caezza