حلقة مانعة للتسرب d.80 (5 ps) De Dietrich S100855

The sealing ring with a diameter of 80mm provides a tight seal between flue components, preventing gas leaks and ensuring safe operation of your boiler or burner. This essential spare part is commonly used in heating equipment to maintain system integrity during combustion. When replacing old or damaged seals, this ring helps restore proper function and contributes to efficient boiler performance.