Water Heaters and Corrosion of Anode Rods

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    • #276724

      I am investigating an anode rod that corrode and caused damage to a residence. When we opened up the unit the anode rod was gone. This was understandable because the water in the area was very hard. However, is it possible that the destruction of the anode rod would in turn cause the water heater to rupture?

    • #294667

      Water hardness can not cause an anode rod ‘failure’. Bacteria (sulfate, iron and mangnaese reducing types), stray current and bad electrical grounds or lack of grounding, do. Low pH (acidic water) might.

      The anode rod is supposed to be sacrificed in place of the steel of the tank being corroded, so once the rod is incapable of protecting the steel, it will corrode.

      Quality Water Associates

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