QF AUTOMATIC SHUT-OFF VALVE ¼'' – ¼'' The QF automatic shut-off valve ¼'' – ¼'' is designed for automatic water supply control in reverse osmosis systems. It automatically stops the inlet water supply when the storage tank is full and resumes operation after water consumption. ¼" Quick Fit connections ensure quick and secure installation without additional tools. Technical specification Parameter | Value Product | Automatic shut-off valve Connection type | Quick Fit (QF) Connection size | ¼" – ¼" Tube size | ¼" Application | Reverse osmosis systems Function | Automatic water supply shut-off Installation | In-line Main advantages Automatic water supply shut-off ¼" Quick Fit connections Reduces water consumption Automatically resumes operation after water consumption Quick installation without tools Compact design Suitable for reverse osmosis systems