The Rheem Anode Rod measures 0.750 inches in diameter and 15-3/8 inches in length, designed to protect your water heater from corrosion. This magnesium anode rod is essential for extending the lifespan of your water heater by preventing rust and degradation. It is compatible with various Rheem water heater models, ensuring optimal performance and longevity. The rod's construction adheres to industry standards, providing reliable protection against electrolysis. Regular replacement of the anode rod is recommended to maintain efficiency and safety in your water heating system.