Leak Detection and Flood Prevention Valve for Reverse Osmosis | Under Sink Water Filters | Water Coolers. The Smart Valve automatically detects leaks, whether from a loose supply line or moisture buildup inside the Bottleless Water Cooler or under the sink where your filtration system is installed. In the event of a leak, it shuts off the water supply to prevent flooding by expanding a small pad (or "puck") cutting off the water supply. This valve is designed to connect to the supply line, with the recommended installation location being inside the filter area at the bottom of the cooler or cabinet next to the system. The valve halts water flow when leaks are detected and employs replaceable white "puck" that expand upon contact with water, effectively stopping additional water from entering the system. Additional Details ------------------------------ Bullet point: LEAK DETECTOR WITH AUTOMATIC SHUT-OFF: The PureT (LSV-14EZ-WB) leak detector and automatic shut-off valve offers a reliable safeguard for your water filtration systems, including water purifiers, reverse osmosis water filters, and undersink systems. Perfect for home improvement projects, this valve quickly detects leaks and automatically halts water flow, ensuring optimal performance. It protects your valuable water filtration equipment from potential water damage, providing peace of mind. Product description: Leak Detection and Flood Prevention Valve for Reverse Osmosis | Under Sink Water Filters | Water Coolers. The Smart Valve automatically detects leaks, whether from a loose supply line or moisture buildup inside the Bottleless Water Cooler or under the sink where your filtration system is installed. In the event of a leak, it shuts off the water supply to prevent flooding by expanding a small pad (or "puck") cutting off the water supply. This valve is designed to connect to the supply line, with the recommended installation location being inside the filter area at the bottom of the cooler or cabinet next to the system. The valve halts water flow when leaks are detected and employs replaceable white "puck" that expand upon contact with water, effectively stopping additional water from entering the system.