Pompe Valvole Lelit Elektra, La Pavoni, Bugatti, Isomac, Pontevecchio, Quick Mill, Lelit, Zacconi Hey guys,, Just a little tune up and update on my Classic: ulka pump replaced with olab's silent green pump very close to a finished project. But there is still things to come :) possible by the end Silent Green Pump for Mara X 4000034 Lelit 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 Lelit 4000040 Silent Vibration Pump