Gas and Oil Home Heating Furnaces - Replacing Thermostat need wiring help

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11-06-00, 09:23 AM
I have got a GE Weathertron Thermostat(same as older Trane) with 8 wires connected and the terminals labeled:
O,G,Y,X2,B,W,R, and T. I am trying to replace it with HoneyWell CT3611 Programmable
Thermostat(Heat Pump Model). I have figured out some of the wiring, but unable to get
furnace to turn on. What do these wires correspond to?

11-06-00, 06:09 PM
There are some pretty good control wiring guys over at http://HVAC-Talk.com , you might want to try over there.