The NRCP CB O-ring (P15) is a vital sealing component for Noritz water heaters, designed to prevent leaks and ensure optimal performance. Made from high-quality materials, this O-ring is engineered to withstand high temperatures and pressures, providing durability and reliability. Its precise dimensions ensure a perfect fit for various Noritz models, making installation straightforward. Compliance with industry standards guarantees safety and performance. This O-ring is essential for maintaining the efficiency of your water heating system, making it a perfect choice for both professional installations and DIY repairs.