The TwistSeal® (55mm) Zone Valve Replacement Cartridge with O-ring from HEATLINK USA is designed for easy replacement in heating systems. This cartridge features a 55mm size, ensuring compatibility with various zone valves. Made from high-quality materials, it guarantees durability and reliable performance. The included O-ring ensures a secure seal, preventing leaks and enhancing the efficiency of your heating system. Ideal for HVAC professionals, this replacement cartridge is essential for maintaining optimal system performance.
