Part Pumps 1st line.com 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 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 Lelit ULKA ARS Cime Fluid O Tech Olab vibration coffee pump ULKA EX5, EP5 Blue Star Coffee Pompe Valvole Lelit Elektra, La Pavoni, Bugatti, Isomac, Pontevecchio, Quick Mill, Lelit, Zacconi