Washer d.8.4mm (25 ps) De Dietrich S100088

This washer with an 8.4 mm diameter is a simple yet essential hardware component for boiler and burner assemblies. It is used to distribute load, prevent leakage, or secure fasteners in various heating equipment parts. As a common spare part in boiler maintenance and repair, this washer ensures proper assembly and reliable operation. Its standard size makes it suitable for a wide range of applications in gas burner and heating systems.