HI guys, iv'e got a trane xl 80 2 stage gas furnace and trane xe 1100 air condit.the tstat is a trane mod taystat241 . Wired as this-- Y1--yello--W1--white--W2--Blue--G1--green--R--red, The new t-stat is a honewell mod RTH7400. The instr say if my old t-stat had Y1--W1---andW2 --wires to get ...

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 5 wires coming out of the wall: blue, yellow, red, white, and green. My thermostat only has 2 wires: red and black. How do I wire them to make my Central Air work?

I just bought a Hunter programmable model 44260 and trying to replace an old Honeywell for my heat and air system. The Hunter directions don't talk about a W1 & W2 terminals that the old one has.The Honeywell is wired like this - White wire on W1 ,blue onW2, green on the G, Red on Rc & Rh which are...

I'm installing a new thermostat. The old one just controlled heat, and my idiot brother-in-law (who works for trane btw) somehow rigged it to work the heat and air. The wiring for the heat was pretty self explanitory, but the wires to the air are not labeled and I have no idea which is which. Can...