Apcom Thermostat Wiring Diagram. If the red light goes off on the low setting then set the dial to the. Installed on a state 510e 50gal water heater.
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The date code is in the letter on your model number. Denergize the water heater remove the covers and read the markings on the current t stat. If the red light does not go off on the low setting disconnect the power supply and replace the thermostat.
Installed on a state 510e 50gal water heater.
A click indicates the thermostat has been reset. Denergize the water heater remove the covers and read the markings on the current t stat. Before asking silly questions take a minute. Turn the temperature dial from high to low.