Lelit Silent Green 120V Pump Kit Coffee Addicts Pompe Valvole Lelit La Pavoni, Lelit, Pontevecchio, Zacconi, Quick Mill, Elektra, Bugatti Diva, Tecnosystem, Imat, Isomac Lelit Mara X V2 HX Espresso Machine 1st line.com Hello baristas, I managed to reduce noise upgrade my Rancilio Silvia X PRO. I think anyone can do it, no special knowledge is required. 1. Changed the vibration pump to the quietest OLAB # First listen: the quite Decent pump., You asked for a quiet espresso pump, so we listened!, Three years in the making, this pump is practically inaudible at normal espresso water flows. Only at the