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View Full Version : Cm260 robert shaw?


dwphx
Jun 4, 2011, 02:35 PM
I am changing a robert shaw cm260 t-stat to a honeywell rth2300. The robt shaw had a red and yellow wire hooked to the A contact. There is no A on the honeywell, where do you hook them up. Or could you say what those wires do? The whole connection was blue wire to B, white to O, green to G, red and yellow to A.