The Heat Exchanger Combi Replacement Set for Rheem models 160 and 199, part number P-082654, is crucial for maintaining optimal heating efficiency. This set is designed to replace worn or damaged heat exchangers, ensuring effective heat transfer and energy savings. Constructed from high-grade materials, it meets industry standards for safety and performance. The dimensions are tailored for a perfect fit in compatible Rheem units, making installation seamless. This replacement set is ideal for both residential and commercial applications, ensuring your water heating system operates smoothly.