Zestaw kołnierza + uszczelki + elementu zaślepiającego 5000w De Dietrich 200021544

The kit flange + gasket + blind element 5000w provides a complete sealing solution for boiler and burner connections. This kit includes a flange, gasket, and blind element, all designed to work together for a secure and leak-free installation. Suitable for systems rated around 5000w, it is a convenient set for maintenance or repair tasks.