Lelit ULKA ARS Cime Fluid O Tech Olab vibration coffee pump ULKA EX5, EP5 Blue Star Coffee Just got done with installing a pump pulsor. So far I do notice a difference. I'll be honest coming from a breville barista I think gaggia it's a quiet machine but this mod does make a small 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 Replace Gaggia Classic pump with quieter option? Hi team. For some time now, I've noticed a strange pump behavior in my Sage Barista Pro. This is my third Sage espresso machine. The first classic Barista worked for a few years, and I upgraded to the