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View Full Version : Changing from LR69071 to RTH6300B thermostat


tomheinrich
Nov 1, 2008, 09:10 AM
My old thermostat (LR69071) has two wires only connected, a red and white, while three others (blue, yellow and green) were capped off. When installing the new 5-2 Programmable thermostat (RTH6300B), what would be the proper installation of the wires.

hvac1000
Nov 1, 2008, 09:14 AM
Use W and R