Quick Mill Fill Solenoid ValveThe Quick Mill Fill Solenoid Valve (Part Number: EV0995V1) is the OEM replacement component that controls water flow into the brew boiler on Quick Mill dual boiler espresso machines. If your Lucca M58 or Vetrano 2B evo is struggling to maintain brew temperature, failing to refill after shots, or throwing pressure errors, this solenoid is often the culprit. It's a wear item that sees constant cycling and when it fails, your machine can't function. This