Thank you! Thank you! Thank you! My Labor day weekend hell is finally over. I just did not expect that a float switch would also kill power to the thermostat, but not kill power to the wiring that controls the fan. I don't even want to admit everything I've done to troubleshoot and how many internet posts I've read. After reading your post I went out and looked at the float line. Sure enough it wasn't level. Got it level and now reading 28 volts between R & G at the thermostat. Yeah!!!!!!!
Also for anyone else troubleshooting a similar problem, voltage would fluctuate between R & C at the thermostat. The float would never totally kill the voltage but would keep it low enough to not power the thermostat. A couple times voltage was high enough to power everything, but it would soon fail again. I'm sure due to water again tripping the switch.
Last edited by mcluvin; 09-02-2013 at 10:05 AM.