The Heat Exchanger Kit (SET) for GQ60 CDV, EZ, and NRCR models is a vital component for Noritz tankless water heaters. This kit includes all necessary parts for efficient heat transfer, ensuring optimal performance and energy efficiency. Constructed from durable materials, the heat exchanger is designed to withstand high temperatures and pressures, providing long-lasting reliability. Its dimensions and specifications are tailored to meet industry standards, ensuring compliance with ISO and ANSI regulations. This kit is essential for maintaining the efficiency of your water heating system, making it a perfect choice for both professional installations and DIY repairs.