A.O. Smith Electric Water Heater 0300 Horizontal

Record any signs of leakage or corrosion around the water heater

Inspect the anode rod for the following conditions

Is the anode rod in good condition?

Is the water heater installed with adequate drainage?

Water Quality and Usage Assessment

Is the water artificially softened?

Is the water temperature set higher than recommended?

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 and stop releasing water?

Close the cold water inlet to the water heater if the valve fails to reset.

Follow the draining instructions in the manual.

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

DANGER! Burn hazard. Keep clear of drain valve discharge outlet.

Lift the lever at the top of the valve several times.

Ensure the valve seats properly.

Ensure the valve operates freely.

Is the valve in operating condition?

DANGER! Burn hazard. Keep clear of drain valve discharge outlet.

Ensure the area around the drain valve is clear of personnel and obstructions.

Is the drain valve discharge outlet clear of any blockages?

Open the drain valve to allow water to flow.

Monitor the water flow until it runs clean.

Close the drain valve after the water runs clean.

Inspect the area for any water leakage after closing the valve.