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I have a Rheem Gas Furnace with an old analog thermostat (Wires conneected to terminals R and 4 for the thermostat). I went to install a Rheem digital and programmable thermostat and it indicated that it would not work for that wire configuration (Instructions indicated that the thermostat would not work with wires to the #4 thermostat terminal). Is there a setting on the furnace circuit board I can change, or is there a digital, programmable thermostat one can use on this unit - Model RGDJ 12EA

Answers :

If you have 2 wire at thermostat Terminals at furnace that the thermostat wire attach to should be R & W if your new thermostat has R & W terminals is should work, an easy thing to remember is the red wire on R the white wire on W. If 4 wire at thermostat at furnace green on G, Blue on Y, red on R,and white on W same at thermostat If these do not match find a thermostat with these terminals

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I have a Rheem Gas Furnace with an old analog thermostat (Wires conneected to terminals R and 4 for the thermostat). I went to install a Rheem digital and programmable thermostat and it indicated that it would not work for that wire configuration (Instructions indicated that the thermostat would not work with wires to the #4 thermostat terminal). Is there a setting on the furnace circuit board I can change, or is there a digital, programmable thermostat one can use on this unit - Model RGDJ 12EA

If you have 2 wire at thermostat Terminals at furnace that the thermostat wire attach to should be R & W if your new thermostat has R & W terminals is should work, an easy thing to remember is the red wire on R the white wire on W. If 4 wire ... Air Conditioners

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