Jeu d'écrous 3 / 4"-rondelle-joint hyd De Dietrich 7879921

The set nut 3/4"-washer-gasket hyd includes a 3/4-inch nut, washer, and gasket for hydraulic connections in heating systems. This kit provides the necessary hardware to secure and seal pipe fittings, preventing leaks in boiler and burner installations. The gasket ensures a tight seal, while the nut and washer offer robust fastening. Ideal for maintenance or replacement tasks, this set is a practical solution for ensuring reliable hydraulic connections in heating equipment.