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 LELIT PUMPENKIT ( SILENT ) OLAB K09342 FR LELIT *** UNIVERSELLE ANWENDUNG *** 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 Mara X Espresso Machine