A.O. Smith Electric Water Heater 0600

Record any signs of leakage or corrosion around the water heater

Inspect the condition of the anode rod

Is the anode rod in need of replacement?

Is the water artificially softened?

Describe any adverse water quality conditions

Replace the anode rod if necessary

Check all connections for tightness

Repair water leaks and tighten electrical connections as necessary

Turn on the electrical disconnect switch

Turn on the pilot toggle switch

Observe the operation of the electrical components during the first heating cycle

Check temperature control and contactor operation by allowing the heater to come up to temperature and shut off automatically

Ensure no one is in front of or around the outlet of the temperature-pressure relief valve discharge line.

Verify that the discharge pipe terminates at an adequate drain.

Manually operate the temperature-pressure relief valve.

Did the valve reset completely after manual operation?

Is the valve continuing to release water after manual operation?

If the valve continues to release water, close the cold water inlet to the water heater.

Ensure adequate drainage is available before inspection

Check water conditions that may affect anode rod depletion

Is the water artificially softened?

Inspect the anode rod for depletion

Is the anode rod in good condition?

Does the anode rod need replacement?

Check for signs of a depleted anode rod

Does the anode rod show signs of depletion?

Turn OFF electric supply to the water heater

Shut OFF the water supply and open a nearby hot water faucet to depressurize the water tank

Drain the tank according to the Draining and Flushing procedures

Close the drain valve after draining