The Rheem SP410910 Junction Box Cover is designed for use with Marathon water heaters, providing essential protection for electrical connections. Made from high-quality materials, this cover meets industry standards for safety and durability. Its precise design ensures a secure fit, preventing dust and moisture from entering the junction box. Easy to install, this cover is an essential component for maintaining the safety and efficiency of your water heating system. Ideal for both residential and commercial applications, the junction box cover is crucial for protecting electrical components.