The water temperature is too high
Check for:
• Thermostat is on the wrong setting.
• Insufficient isolation around the thermostat.
Solution:
• Turn up the thermostat.
• Adjust isolation around the thermostat.
• Examine the thermostat and change it if needed.
Water leakage
Check for:
• Faulty gasket or seal on the element.
• Faulty safety bibb.
• The tank has rusted in.
• Leaky plumbing connections.
Solution:
• Test and change gasket or seal.
• Test and change the safety bibb.
• Purchase a new water heater.
• Consult an experienced contractor.
The heater becomes noisy
Check for:
• Buildup of rust, crust or sediment in the tank.
• Crust has formed on the elements.
Solution:
• Drain the tank and wash it out.
• Remove the elements, immerse them in vinegar and rub the crust off.
The hot water line is rusty or discolored
Check for:
• Buildup of rust or sediment in the tank.
• Crust has formed on the elements.
• Corroded water lines.
Solution:
• Drain the tank.
• Remove the elements, immerse them in vinegar and rub off the crust.
• Have your water lines replaced.
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