The Rheem SP20548 Conversion Kit Assembly is designed for E50, E85, and E120 models, facilitating the conversion of gas appliances for enhanced performance. This comprehensive kit includes all necessary components for a seamless installation, ensuring compliance with industry standards. Constructed from high-quality materials, it guarantees durability and reliability. The conversion kit allows for efficient operation across various fuel types, making it an essential upgrade for optimizing your heating system's efficiency and performance.