The Rheem SP20453 Conversion Kit Assembly is designed for ELD/ELDS systems, operating at 480V with a power rating of 4000W. This kit allows for the conversion of existing systems to enhance performance and efficiency. Constructed with high-quality materials, it ensures durability and reliability in various applications. The assembly includes all necessary components for a seamless installation, making it suitable for both residential and commercial use. This conversion kit is essential for optimizing the functionality of Rheem heating systems.