New Lelit Victoria already has a Olab pump! : r espresso OLAB Silent Green Espresso Machine Vibration Pump 6mm IN 6mm OUT 230 240 Vac LELIT 4000034 ESPRESSO MACHINE COMPANY Lets see if this will Improve something. Im sure it will reduce the noise by 40% But they do say a pressure regulator helps with noise and to stabilize water flow aswell Lelit Victoria: Priming the Vibratory Pump Pompe Valvole Lelit Elektra, La Pavoni, Bugatti, Isomac, Pontevecchio, Quick Mill, Lelit, Zacconi