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
Product TypePacking RingTypePacking RingPack Quantity10ColourBlackSupplier Part Number981151Brand NameVaillant