Lelit 4000040 Silent Vibration Pump I thought other could be interested in my little discovery. The rubber of my pump was dead resulting in a very noisy pump. I tried to find a replacement but cheapest I # 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 Lelit 4000045 SPARE KIT SILENT PUMP 220 V 60 Hz ecafe.es Silent Green Pump for Mara X 4000034 Lelit