A.O. Smith Gas Water Heater BTRC180

Measure the depth of lime buildup in the heater

Record the depth of lime buildup in inches

Is the water heater operating efficiently?

Describe any efficiency issues observed

Water Softening Equipment Check

Is water softening equipment installed?

Is the water softening equipment functioning properly?

CAUTION: Property Damage Hazard

Inspection and Replacement Guidelines

Inspect the anode rod for corrosion or pitting

Is the anode rod corroded or pitted?

Is the water artificially softened?

Determine the condition of the anode rod

Does the anode rod need replacement?

CAUTION: Property Damage Hazard

Ensure water heater is turned off and cooled down

Gather necessary tools for inspection

Locate the anode rod on the water heater

Inspect the anode rod for corrosion or pitting

Is the anode rod corroded or pitted?

Is the water artificially softened?

Ensure all ignition sources are away from the faucet when turning on hot water.

Do not smoke or have open flame or sparks near the heater.

Do not mix UN•LIME with other chemicals.

Avoid contact with magnesium, aluminum, or galvanized metals.

Use rubber or neoprene gloves, especially if you have open sores or cuts.

Turn off fuel and/or power supply to the heater.

Open hot water side of faucet closest to heater and allow water to run until cool.

Shut off gas supply to the heater

Remove outer cover plate from lower side of heater jacket

Remove hex head screws securing tank cleanout plate

Remove lime, scale, or sediment carefully

Inspect cleanout plate gasket for replacement