Questions & Answers for: old thermostat 2 wires

...old 2 wire thermostat to a honeywell 5-1-1 programmable i have 2 wires coming from the wall, 1 white and 1 blue and want to wire a new honeywell 5-1-1 day programmable thermostat I connected the blue ...

...THERMOSTAT I HAV 2 WIRES THAT WAS CONNECTED TO OLD UNIT THAT CONTROLS A GAS HEATER. WHERE SHOULD I CONNECT THESE 2 WIRES ON THE NEW UNIT? Connect one to Red, R or Rh. Connect the other to White or

old thermostat tells me that it was set up for heating only. You will most likely need a modern thermostat. But in the meantime try this with the old one. The two red wires on the furnace are probably

old thermostat the wiring is as follows: X, W2, E, Y, O, G, R. on the new honeymell, there is no X. after i wire in the new thermostat i have an extra wire that was in the X slot on the old thermostat

...Thermostat. My old was on a TF10 mercury Honeywell. We have an oil burner with no cooling. When taking the old thermo off of the back plate, there were only 2 wires installed, a black and a while (no ...

...old thermostat two pairs of wires (2 red & 2 black) were wire to the two black wires on the thermostat. Another pair of wires (1 black & 1 red) were wired to the two red wires on the ...

...old thermostat. How should we go about it? On most applications for heating the red and white wires are used,however I would check what wires are connected to terminals on old thermostat. These ...

old thermostat it only has two wires. A white wire and a black wire. Can you please let me know how to wire it to the new Honeywell Thank you I just installed a Honeywell 5.2 Day RTH2310B Programmable

old thermostat has wires label RC,RH,G,A,Y,W. Where do they go on the new rth3100c thermostat. Y to Y, G to G, what about the RC, RH, W, and the A. I will assume you did not write down what color wire

...old thermostat. I need a C wire to go to new wifi thermostat 9580. Where do I get that wire for power to my new thermostat ? This is not going to be easy. Check the wiring in the wall to look for the ...