O-Ring 17.5X2.2 (10 ps) De Dietrich 722307300

This O-ring with dimensions 17.5x2.2 mm is a sealing element used in many boiler and burner applications. It prevents leaks in fluid or gas connections, ensuring tight seals in valves, pumps, and other components. Made from durable material, it withstands temperature and pressure variations typical in heating systems. When replacing seals during maintenance, using the correct size O-ring is crucial to avoid leaks and system inefficiency. This part is a standard spare for various heating equipment.