State water heaters feature a safety switch called a thermal or high-limit temperature switch that cuts off the flow of electricity to your appliance's heating elements when the water heats above 170 degrees F. If your State water heater has suddenly stopped producing heat, you may be inclined to call in a professional to troubleshoot your appliance, but don't reach for the phone just yet. Resetting your water heater is a simple repair that requires virtually no repair experience and can have your appliance up and running again before you know it.
Disconnect the electrical supply to your State water heater. Make sure that all electricity to your water heater has been shut off before proceeding.
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Locate your State water heater's control circuit panel. In most State water heater models, the control circuit panel looks like a rectangular metal box mounted to the side of the water heater.
Use a screwdriver to remove the two screws that secure the door of the control circuit panel. Set the control circuit panel door and screws aside until you have finished resetting your water heater.
Remove the protective pad and insulation block from the control circuit panel of your State water heater to reveal your water heater's safety controls. Set the pad and insulation block aside until you are ready to replace them.
Locate the large red button marked "Reset" at the center of your State water heater's control circuit panel. Firmly press the "Reset" button to manually reset your water heater. Once your water heater has been reset, it may take between 12 and 24 hours for your water heater to resume normal operation.
Put the insulation block and protective pad back in your State water heater's control circuit panel. Replace the control circuit panel door, insert the screws and tighten them to hold the door in place. Turn on the electricity to your water heater once you've finished resetting the appliance.