O-Ring 76x4 (5 ps) De Dietrich S100815

This O-ring, measuring 76x4 mm, is a durable sealing solution for large-diameter connections in boiler and burner systems. It prevents leaks in flanges, covers, or other mating surfaces, ensuring the integrity of the heating circuit. Essential for boiler maintenance and repair, this O-ring is used in various gas burner parts and heating equipment where a reliable seal is critical. Its generous size makes it suitable for applications requiring a robust seal, such as heat exchangers or tank connections. Replacing old or damaged O-rings with this part helps maintain system efficiency and prevents energy loss.