The Vaillant O-ring, washer, and gasket are used in many different places within your boiler. They are used when joining pipework to different parts within your central heating system. Heat exchangers, flues, and many other parts require O-rings.
Rubber O-ring
Fits various Vaillant boilers
Technical specification
Product TypePacking Ring KitWaist Sizeaa28cf12gvTypePacking Ring KitMaterialRubberERP RatingNot ApplicableColourBlackSupplier Part Number106563Brand NameVaillant