The Vaillant O-ring, washer, and gasket are used in many different places within your heating system. They are used when joining parts to the pipework of your central heating system. Heat exchangers, condensate traps, and many other sections require O-rings, washers, and gaskets.
Shaped
Fits multiple appliances
Technical specification
TypeO-ringPack Quantity10Manufacturer Model No178991Brand NameVaillant