Watts LF909-NRS-S-FDA-FS 3 - Part of the LF909 Large Series Z100F-6NH For use with 909/LF909

For use with 909/LF909

Standard no-hub outlet connection

4 inch coated extension thermostat

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 1 1/2 IN Outlet Connection Type Male Threaded Outlet Shutoff Valve Type Quarter Turn Ball Valve Outlet Thread Type NPT Part Number F391011 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Engineered Plastic Series LF909 Small Strainer No Technologies Flood Detection Tradename None Specification Sheet - Flood Sensor Connection Kit - Watts

Heavy-duty Z-frame or steel frame assembly supports load classes with robust mounting

Watts LF909-NRS-S-FDA-FS 3 - Part of the LF909 Large Series Z100F-6NH For use with 909/LF909This 3 inch lead free reduced pressure zone backflow preventer assembly prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. It is ideal for protection in continuous pressure piping applications and at cross connections identified as health hazards. This assembly consists of an epoxy coated cast iron body, non rising stem resilient seated gate valves, an FDA epoxy coated