I have a White Rodgers 2 stage heat/1 cool model 1F58-58 heat pump thermostat that I have changed over to a Honeywell programmable thermostat model RTH7400. Did all the correct wiring as stated in the books but when set to cool, the heater kicks on instead of the central air conditioning. What...

I have a White Rodgers 2 stage heat/1 cool model 1F58-58 heat pump thermostat that I want to change over to a Honeywell programmable thermostat model RTH7400. I need help in trying to figure out the wiring part of this whole thing. Can someone out there please help. I would certainly appreciate...

We have a very old white roger thermostat for our gas furnace and are replacing it with a honeywell rth2310. Our current thermostat only has two wire one balck and the other white. Where do I make the connections.

I have a gas furnace with only 2 wires running to a mechanical thermostat. When heat is off, Voltage is about 25 volts AC mesured at thermostat. When heat is on, voltage measured at thermostat is 0 volts AC. Need to know if I can replace old mechanical thermostat with White Rodgers 1F80-261...