Lelit Mara X V2 HX Espresso Machine 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 Liberty Pumps LE41AV 4 10 HP Sewage Pump 1 Ph 115V Vertical Float 10Ft Hey guys,, Just a little tune up and update on my Classic: ulka pump replaced with olab's silent green pump very close to a finished project. But there is still things to come :) possible by the end