O-ring d 52.39x3.53 -5 (5 ps) De Dietrich 7847798

The O-ring d 52.39x3.53 -5 is a sealing ring with an inner diameter of 52.39 mm and a cross-section of 3.53 mm. This O-ring is used in various heating components to create a leak-proof seal between mating surfaces. It is commonly found in gas valves, pumps, or fittings where a reliable seal is critical for safety and efficiency. The -5 designation indicates a specific material grade suitable for heating applications. Whether you are rebuilding a valve or repairing a connection, this O-ring is a precise replacement part for your boiler or burner.