The Heat Exchanger Kit - Primary SS (SET) is designed for Noritz tankless water heaters, ensuring efficient heat transfer and durability. Made from high-quality stainless steel, this kit is resistant to corrosion and high temperatures, making it ideal for long-term use. It is compatible with various Noritz models, providing a reliable solution for maintaining optimal performance. The kit includes all necessary components for installation, ensuring a seamless setup. Dimensions and specifications are tailored to fit standard Noritz systems, adhering to industry standards for safety and efficiency.