Water Heater Anode Rods

For Suburban water heaters the anode rod is part of the drain plug. Removing the drain plug allows you to check the condition of the anode rod. When an anode rod corrodes down to the inner metal wire (about 1/8" inch) it needs to be replaced.

A thorough explanation of anode rods and how they work is found here: Water Heater Rescue

Back to Parts