The Worcester Bosch washer and mounting set is one of the most popular spares for the most common boilers like the Greenstar 24i, Junior 24i, 28cdi, 30si, 35CDi, and 42CDi. The washers, O-rings, and gaskets are used in many different sections within the central heating system. They are made from different materials and are used to seal pipework to other parts of the boiler (heat exchangers and gas valves) and, when installed correctly, they prevent gas and water leaks.
8 piece set
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