QF AUTOMATIC SHUT-OFF VALVE 3/8'' – 3/8'' The QF automatic shut-off valve 3/8'' – 3/8'' 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. The 3/8" Quick Fit connections ensure fast and secure installation without additional tools. Technical specification Parameter | Value Product | Automatic shut-off valve Connection type | Quick Fit (QF) Connection size | 3/8" – 3/8" Tube size | 3/8" Application | Reverse osmosis systems Function | Automatic water supply shut-off Installation | In the pipeline Key advantages - Automatic water supply shut-off - 3/8" Quick Fit connections - Reduces water consumption - Automatically resumes operation after water consumption - Fast installation without tools - Compact design - Suitable for reverse osmosis systems