O-ring 18X3 (10 ps) De Dietrich 710061400

The O-ring 18X3 is a small but essential sealing component used in many boiler and burner applications. With an inner diameter of 18 mm and a cross-section of 3 mm, this O-ring provides a reliable seal to prevent leaks in gas or water connections. It is commonly used in joints, valves, and fittings. Replacing worn O-rings during maintenance helps maintain system integrity and efficiency.