Worcester Bosch Rubber O-ring , washer, and gasket are used in many different sections within the heating unit. They are used when joining parts to the pipework of the central heating system. Heat exchangers, condensate traps, and many other parts require O-rings, washers, and gaskets to prevent leaks of gas or water from occurring.
Rubber O-ring
Usually used with the siphon
Technical specification
TypeO-ringMaterialRubberManufacturer Model No87161138330Brand NameWorcester Bosch