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 Silent Green K09541L Pump 35W Silent Vibrating Pump for Coffee Machines Hygger Silent Air Pump 5W AQUANEAT 300GPH Aquarium Air Pump, Adjustable Oxygen Bubbler for 200 Gallon Fish Tank, Hydroponic Aerator Walmart.com
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