The Vaillant O-ring, gasket, and washer are used in many different sections within your central heating boiler. They are used to create seals between pipework and other parts within the boiler. Heat exchangers, flues, and many other sections require O-rings and washers.
Pack of 10
Technical specification
TypePacking RingPack Quantity10ColourRedManufacturer Model No509121Brand NameVaillant