The Rheem Natural Gas to Propane Conversion Kit is designed for the 120 Combi 125 boiler, allowing seamless fuel conversion for enhanced efficiency. This kit includes all necessary components for a straightforward installation, ensuring compliance with industry standards. The conversion process is straightforward, making it suitable for both residential and commercial applications. The kit is crafted from durable materials, ensuring longevity and reliability. Ideal for users looking to switch fuel types without compromising on performance.