The Rheem User Interface Assembly SP21181G is designed for 4500W connected electric water heaters. This service part features a user-friendly interface that allows for easy operation and monitoring of your water heater. It is compatible with various Rheem models, ensuring seamless integration. The assembly is built with high-quality materials for durability and reliability. Dimensions and specifications are tailored to fit standard installations, making it an essential component for maintaining optimal performance in your water heating system.