4" LF909 Less Gate Valves with Flood Sensor SKU: 88009316 $12,525.00 Login for better price Select Quantity -+ Add to Cart Additional DetailsResourcesManufacturer: Watts Size: 4 Inch Installation and Maintenance Instructions LF909 Reduced Pressure Zone Assemblies LF909-FS Reduced Pressure Zone Assemblies LF909 Relief Valve Discharge Rates LF909 Flood Detector Repair PartsAccessories