A.O. Smith Electric Water Heater 1500

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

Turn OFF the electrical supply to the water heater at the breaker or disconnect switch.

Ensure the cold water inlet valve is open.

Open a nearby hot water faucet and let the water run until the water is no longer hot, then close the hot water faucet.

Connect a hose to the water heater drain valve and terminate it to an adequate drain.

Ensure that the drain hose is secured before and during the entire flushing procedure.

Open the water heater drain valve to flush the storage tank.

Flush the water heater storage tank to remove sediment and allow the water to flow until it runs clean.

Turn OFF electrical disconnect switch

Drain the heater following Draining instructions

Remove the banks and gaskets from the openings

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

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.

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

Ensure the area around the drain valve is clear of obstructions

Is the drain valve discharge outlet clear of personnel and equipment?

Open the drain valve to allow water to flow

Inspect the area for any water leakage