Sime gaskets, washers, and O-rings are used in many different sections within your central heating boiler. They are used when joining pipework to different parts within your central heating system. Heat exchangers, fans, and many other parts require O-rings, washers, and gaskets to prevent leaks of gas or water from occurring.
Fits a large number of Sime boilers
Technical specification
Waist Sizead74ci57gzToilet Cistern CapacityFTW--Supplier Part Number212108Manufacturer Model No6226414Brand NameSime