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backpath
Jun 3, 2009, 09:02 AM
I don't have any voltage to the thermostat. There is power to the control board. What do I check next?
hvac1000
Jun 3, 2009, 10:43 AM
The fuse on the circuit board if it is a low voltage problem then on to the low voltage transformer If those check out as good then check the thermostat wire from the thermostat to the furnace.