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Is Corro-Protec’s electric current safe in water heaters?

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Our response

Yes, the use of electricity in water heaters by Corro-Protec’s system is safe. They use Impressed Current Cathodic Protection (ICCP) for their anode rods in water heaters. This method uses a low voltage DC power source to protect the water heater from corrosion.

Impressed Current Cathodic Protection (ICCP) is a widely used method for protecting a variety of metal structures submerged in water from corrosion. Here are a few examples:

  1. Sea Vessels: In the maritime industry, ICCP systems are installed on ships and submarines to prevent the corrosive effects of seawater. This system uses an external power source to generate a protective electric current that counteracts the corrosion process, ensuring the vessel’s hull remains intact.
  2. Piers and Harbors: ICCP systems are also used to protect piers, wharves, and offshore platforms from the constant threat of corrosion. These structures, being in direct contact with seawater, can quickly degrade without such protection. ICCP systems ensure the longevity of these important infrastructures.
  3. Underground and Underwater Pipelines: ICCP is widely used to protect pipelines carrying water or other substances. Given their often inaccessible locations, ICCP’s reliable and low-maintenance nature makes it an ideal choice for protecting these vital infrastructures.


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Corro-Protec’s anode rod for water heaters fits any residential tank on the market. Get the most durable and versatile anode available.

RV Anode Rod

Our RV powered anode rod fits all Suburban RV water heaters. Enjoy the power of our permanent corrosion protection and more.

Commercial Anode Rod

Our commercial anode, powered to, is designed to permanently protect larger water heaters of 90+ gallons. No maintenance required.