Thermostats White Rodgers 1F80-261 thermostat is obsolete, CONSIDER 1F80-361 "wire" Questions

wiring Honeywell 9580 to old furnace with no C wire I have an old furnace(1966 American Standard) with 2 wires to old thermostat. I need a C wire to go to new wifi thermostat 9580. Where do I get that

I have a black wire, a white wire, and a ground for supply. I have one red wire and one black wire on thermostat. I have two black wires on the heater that are wire-nutted together. How do I connect ...

Replacing thermostat what to do with single red wirew/bridge? We're replacing a MagicStat/32 Honeywell thermostat with a RTH7500D. We have green yellow & white wires going to the new thermostat. ...

...thermostat SECO TA2000 (non-programmable) The wiring for the SECO TA2000 is as follows: W2 = White wire O = Orange wire R = Red wire Y = Yellow wire G = Green wire E = has a jumper to W2 Other then ...

...am trying to install a fahrenheat f2543 heater with a fta2a double pole thermostat. there is a 12/2 wire coming into where the heater is being installed. how do i connect the red and black to the ...

Three wires not marked for new Thermostat! Son-in-law purchase Honeywell T87K thermostat to replace older verticle thermosat. When he removed old unti he forgot to mark wires.Furnace is new gas fired ...

Hooking up Honeywell RTH6400 but I only have a green and a red wire not sure where they go This is common on heat only systems. The red wire is usually the 24v power supply that goes to the R terminal

...thermostate im replacing with a hunter brand, non-programmable thermostate, there was only 3 wires hooked up, out of the electrical wiring theres a red that was not beinh used,a yellow , looks ...

I'm replacing a General Controls T-70 which is connected with a Red wire and a Black wire. I'm replacing it control with a Honeywell RTH2310. Red wire to ?? Black wire to ??? Which 2310 block will ...

...White-Rodgers thermostat to a Honeywell RTH2300/RTH221 Series, we have green, black, white and red wires which wire goes where to our screw lettering B O G Y not used R and RC? First, you have to ...