The Tube Bundle Kit 1178/122 from RHEEM MFG COMPANY is designed for efficient heat exchange in gas water heaters. This kit includes all necessary components for installation, ensuring compatibility with RHEEM models. Constructed from high-quality materials, it guarantees durability and compliance with safety standards. The tube bundle enhances heat transfer efficiency, making it essential for optimizing the performance of your heating system. Ideal for residential and commercial applications, this kit is a vital part of maintaining the efficiency and safety of your water heating setup.