O-ring 70x3 (5 ps) De Dietrich S100058

The O-ring 70x3 is a versatile sealing element widely used in boiler and burner systems to prevent fluid or gas leaks. With an inner diameter of 70 mm and a cross-section of 3 mm, it provides a dependable seal in flanged connections, valves, and other heating equipment components. This O-ring is an ideal choice for maintenance and repair tasks, ensuring your system operates efficiently and safely. It is a common spare part for gas burner assemblies and boiler maintenance.