A device designed to protect water heaters from corrosion, this electrically-powered component prevents tank deterioration by neutralizing corrosive elements in the water. It is often found for sale at major home improvement retailers, offering homeowners a convenient source for replacement or upgrade options. The purpose of this component is to prolong the lifespan of a water heater, avoiding costly repairs or replacements.
The utilization of this technology provides numerous advantages, including extended water heater longevity, reduced maintenance needs, and improved water quality. Traditionally, sacrificial rods made of magnesium or aluminum were used, requiring periodic replacement as they corroded instead of the tank. The powered alternative offers a more consistent and long-lasting solution, minimizing the need for frequent inspections and replacements, and contributing to overall cost savings over the lifespan of the water heater. This approach also reduces the introduction of metallic byproducts into the water supply.