The o-rings, washers and gaskets are used in many different places within your heating unit. They are used when sealing pipework to other parts within the boiler. Heat exchangers, pumps and many other sections require orings, washers and gaskets to ensure
Shaped
Fits multiple appliances
Technical specification
ERP (Energy Efficiency)NToilet Cistern CapacityFTW--ERP RatingNot ApplicableSupplier Part Number670176Brand NamePotterton