Rancilio Classe/Epoca Steam/water Valve Piston and Gasket Brand the center-portion O-ring used three

the center-portion O-ring used three per group on La Marzocco paddle groups

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Rancilio Classe/Epoca Steam/water Valve Piston and Gasket Brand the center-portion O-ring used threeRancilio Steam Water Valve Piston and Gasket Set The piston and gasket from the internal steam water valve assembly on Rancilio and Promac commercial machines, the core wear item that actually seals the valve when it's shut. COMPATIBILITY Fits: Promac Club, Compact, Green; Rancilio Classe 10, Classe 6, Classe 6 Leva, Classe 7, Classe 7 Leva, Classe 8, Classe 9, Epoca Replaces: Rancilio R_610 INSTALLATION Requires disassembling the steam water valve,