A.O. Smith Electric Water Heater 0250 Horizontal

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 and operates freely.

Is the valve in operating condition?

Describe any issues found during the check.

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 following the proper procedures

Close the drain valve after draining

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 adequate drainage is available before inspection

Check the condition of the anode rod

Is the water artificially softened?

Does the anode rod need replacement?

Document the condition of the anode rod

Schedule next inspection based on water quality

Turn OFF the electrical disconnect switch

Close the cold water inlet valve to heater

Open a nearby hot water faucet to vent the system

Is the heater being drained for an extended shutdown?

Leave the drain valve open during extended shutdown