I have a Carrier Series 50QT Electric heat pump that still uses the original non programmable thermostat. I am trying to replace it with Honeywell TH6000 series programmable thermostat. The wiring on the existing Thermostat as follows: O - White, I am thinking this is the Reversing Valve? Y...

I believe that when we re-run the program with the correct date and time, if the temp has to go up, the furnace runs until it gets the appropriate temp, then it turns off and when it does that, the thermostat also turns off going to the HOLD state.:confused:

Replacing Analog thermostat with White, Yellow, Red, & Black wiring with non-programmable digital thermostat Model #RTH3100C. Please help!!

Everything I look at indicates a white and red wire for the connecting wires. Our thermostat is probably original to our home (1943). It has two wires. It is difficult to tell but it looks like one is a white wire and the other is black. I've tried looking on the internet for some info however...