The Rheem Anode Rod is a crucial component for water heater maintenance, measuring 0.840 inches in diameter and 53-3/16 inches in length. Made from high-quality magnesium, this anode rod effectively protects your water heater tank from corrosion, extending its lifespan. It is designed to fit a variety of water heater models, ensuring compatibility and easy installation. Regular replacement of the anode rod is essential for maintaining water quality and efficiency, making this anode rod a reliable choice for homeowners seeking to enhance their water heater's performance.