I'm want to install the thermostat on our Electric Furnace. The wire leading to the furnace is a two wire (BLACK AND WHITE WIRES) It's heat only. The thermostat has a W and an R on the back of the stat. The furnace terminal has Y,W,O,C,G,F. The WO has a jumper between them? The W has a White...

I have two wires connected to my furnace thermostat. There is a place labeled G on the thermostat. Can I simply run a wire from the G terminal on my thermostat to the terminal labeled G on my furnace fan relay to operate the fan separately?

I am missing one of the wires that goes from the thermostat to the furnace. I can't find the other one but can you tell me where it should go. I have a very old oil burner that has been converted to gas. If you can point me in the right direction I could probably figure it out. Thank you ...

I am putting in a new furnace and thermostat. The connections on the furnace are C G R W1 W2. The connections for the thermostat are B O Y G W RC RH. There is a jumper wire on RC and RH. The thermostat instructions say to run the hot wire to RH and the neutral wires to W and G. I am using 3...

Hi. I am adding AC to an older furnace and I can't figure out how to wire the 24V Thermostat wires. I only see three places to hook wires in, labeled: TH, TH-TR, TR. Each terminal has two places to hook in wires. Right now, it is wired for heat and works perfectly with two wires coming from the...