Joint en verre 10x4 mm De Dietrich 300028729

This glass gasket measuring 10x4 mm is an essential spare part for sealing the glass window on boilers, stoves, or fireplaces. It prevents air leaks and maintains efficient combustion by creating a tight seal. When replacing worn or brittle gaskets, this component helps restore proper operation and safety. Suitable for various heating appliances, it is a common item in boiler maintenance and repair kits.