Écrou de blocage SAG3 50 - 80 - 100 - 190 De Dietrich 7732366

The lock nut SAG3 50-80-100-190 is a small but vital fastener used in burner assemblies to secure components like nozzles and tubes. Its design prevents loosening due to vibration or thermal expansion, ensuring the integrity of the gas train. Made from durable metal, it resists corrosion and maintains a tight grip even under high temperatures. This lock nut is compatible with a range of SAG3 burner models, making it a versatile spare part for boiler maintenance. Replacing worn or damaged lock nuts is a simple yet effective way to enhance safety and prevent gas leaks in your heating system.