O-ring ? 111 x 4mm (2 ps) De Dietrich S103285

The o-ring ? 111 x 4mm is a versatile sealing component for heating equipment. With an inner diameter of 111mm and a 4mm cross-section, it fits many standard grooves in boiler and burner assemblies. This o-ring helps prevent leaks in gas or water circuits, contributing to system efficiency and safety during operation.