Product Description Protect your water heater and extend its lifespan with the Camco Aluminum Anode Rod. This sacrificial rod is designed to absorb corrosive particles in the water, ensuring that your steel tank stays rust-free. Measuring 42 inches in length and featuring a ¾-inch OD with ¾-inch – 14NPT threads, it fits most standard residential water heaters. Constructed with a plated hex bushing, this rod is built for durability and easy installation. Whether you're performing routine maintenance or replacing a worn-out rod, the Camco Aluminum Anode Rod is a reliable solution to prevent costly damage and improve your water heater’s efficiency. From the Manufacturer The Camco Aluminum Anode Rod is a sacrificial rod that extends the life of your water heater tank by absorbing the corrosion causing particles in the water. As a result, the water corrodes the rod rather than your steel tank. The ¾-inch OD aluminum anode rod measures 42-inches long and has ¾-inch – 14NPT threads. It is constructed of plated hex bushing.