Lelit ULKA ARS Cime Fluid O Tech Olab vibration coffee pump ULKA EX5, EP5 Blue Star Coffee Lelit Victoria: Priming the Vibratory Pump Very helpful video if you want to REDUCE the vibratory pump noise on your Sage, Around 50 % less Noise, Its better in real person than on video , the video shows blank shots wich makes me think its 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 Pompe Valvole Lelit Elektra, La Pavoni, Bugatti, Isomac, Pontevecchio, Quick Mill, Lelit, Zacconi