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FKM O-ring, Seal for Jura AEG Krups drainage valves in coffee machines
This seal made of food-safe fluorine rubber (FKM) is located on the outlet nozzle of the drainage valve. This nozzle is moved into the lower piston when the brewing group is moved and transports the hot water from the drainage valve into the brewing chamber. FKM is the more resistant material here and can withstand higher temperatures!