The Vaillant O-ring, gasket, and washer are used in many different places within your heating unit. They are used when sealing pipework to other parts within the boiler. Heat exchangers, flues, and many other sections require O-rings, washers, and gaskets to prevent them.
Pack of 10
Technical specification
TypePacking RingPack Quantity10ColourBlackManufacturer Model No981151Brand NameVaillant