My son shrunk back from the friction that was likely to ensue. I set my jaw and began to mumble under my breath. Being somewhat stubborn, I decided to reverse the wires one last time. As I removed the wire from the brown screw, I accidentally tapped the wire against the yellow screw; that’s right, the very same screw that was clearly designated as the appropriate terminal for an air conditioning unit. I’m sure you’ve already guessed the outcome of my story. For some inexplicable reason, the moment that black wire touched the yellow screw, the heater roared to life! It happened so quickly I might have missed it, but my son heard the sound of the flaming gas heater. “The heater just went on and off,” he yelled out! I may be stubborn, but I’m not dumb. I touched that black wire to the yellow screw again, and sure enough the heater flamed into action. That thermostat has been serving my son faithfully for over a decade. I have no explanation for the idiosyncrasies of that temperamental thermostat. I’m quite certain a qualified heating and air conditioning professional could easily solve the mystery of the yellow screw. All I know for certain is that the problem was
My son shrunk back from the friction that was likely to ensue. I set my jaw and began to mumble under my breath. Being somewhat stubborn, I decided to reverse the wires one last time. As I removed the wire from the brown screw, I accidentally tapped the wire against the yellow screw; that’s right, the very same screw that was clearly designated as the appropriate terminal for an air conditioning unit. I’m sure you’ve already guessed the outcome of my story. For some inexplicable reason, the moment that black wire touched the yellow screw, the heater roared to life! It happened so quickly I might have missed it, but my son heard the sound of the flaming gas heater. “The heater just went on and off,” he yelled out! I may be stubborn, but I’m not dumb. I touched that black wire to the yellow screw again, and sure enough the heater flamed into action. That thermostat has been serving my son faithfully for over a decade. I have no explanation for the idiosyncrasies of that temperamental thermostat. I’m quite certain a qualified heating and air conditioning professional could easily solve the mystery of the yellow screw. All I know for certain is that the problem was