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> RTH6300B uses 5 wires mine is 6 wires
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RTH6300B uses 5 wires mine is 6 wires
dorothykarpinsk
Nov 3, 2008, 02:38 PM
Do I need 6 wires and the 6th wire is marked W2. Where does that connect to?
hvac1000
Nov 3, 2008, 02:54 PM
You probably have the wrong type of thermostat. You probably need a 2 stage heat thermostat from the limited info provided.