Washer 20x4.3x1.2 mm (10 ps) De Dietrich S100963

This washer with dimensions 20x4.3x1.2 mm is a small but essential spare part for boiler and burner systems. Used to create a tight seal between connections, it helps prevent leaks and ensures secure assembly. Commonly employed in heating equipment maintenance, this washer is suitable for various applications where precise sizing is required. Its compact design makes it easy to install, and it is a practical addition to any toolkit for boiler and burner repairs.