The Heat Exchanger Kit is designed specifically for Noritz models NRC98-OD and NRC83-OD, ensuring optimal performance and efficiency. This stainless steel kit is engineered to withstand high temperatures and pressures, making it a reliable choice for your heating system. With precise dimensions tailored for these models, it guarantees a perfect fit and seamless integration. The kit includes all necessary components for installation, adhering to industry standards for safety and compliance. Upgrade your heating system with this essential component to enhance durability and functionality.