The o-rings, washers and gaskets are used in many different places within your heating system. They are used when sealing pipework to other parts within the boiler. Heat exchangers, flues and many other parts require orings, washers and gaskets to prevent
Shaped
Fits multiple appliances
Technical specification
Product TypeSealWaist Sizeaa77cj14guTypeSealsERP RatingNot ApplicableSupplier Part Number20020739Brand NameGlow-Worm