Kit de joints d'entretien pour chaudière avec RWT pour le système d'évacuation des fumées DN80/DN100

Gasket set for boiler maintenance with RWT heat exchanger designed for gas exhaust systems with diameters DN80 and DN100. The kit includes seals needed for sealing flue and air duct connections. Regular gasket replacement during boiler maintenance prevents air ingress and flue gas leakage, improving safety and efficiency of the heating unit. The set is suitable for various boiler models with the specified diameters.