Zestaw pierścieni uszczelniających „12.42x1.78” – 10pcs De Dietrich JJJ005407500

This set of 10 O-rings 12.42x1.78 offers a convenient supply for boiler spare parts and burner spare parts. Each O-ring provides a secure seal in heating equipment components, helping to prevent leaks during boiler maintenance and repair. Ideal for multiple applications in gas burner parts.