O-Ring D.19 3X3, 6 De Dietrich 710660300

This O-ring with an inner diameter of 19.3mm and cross-section of 3.6mm is a versatile sealing component used in various boiler and burner applications. It creates a tight seal between mating parts, preventing leaks of gas, water, or air. Made from durable elastomer, it withstands temperature and pressure fluctuations common in heating systems. Ideal for replacing worn seals in gas valves, pumps, or other connections, it is an essential spare part for maintenance and repair tasks.