The Southbend 8-6011 Boiler Cathodic Descaler protect boiler systems from corrosion and mineral buildup. This zinc anode functions as a passive corrosion inhibitor by attracting corrosive elements in the water, allowing the anode to corrode in place of critical internal boiler components. By sacrificing itself, it reduces scale formation and minimizes damage to metal surfaces, suppor... https://partsfe.com/8-6011-southbend-cathodic-descaler