Series 909 Large prevents the reverse flow of liquids in a plumbing system due to backpressure or backsiphonage where there is a potential health hazard. An exclusive relief valve design …

This 1 1/4 inch reduced pressure zone backflow preventer assembly, model 909M1-QT, with its exclusive design incorporating the patented air-in and water-out principle for protection during …

1. Backflow preventers must be installed in high-visibility locations in order to allow for immediate notice of telltale discharge or other malfunction. This location should also facilitate testing and …

This 6 inch lead free reduced pressure zone backflow preventer assembly with SentryPlus Alert technology with automatic shutoff ACV for flood detection and prevention is designed to …

This 3" 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 …

Lead Free* Reduced Pressure Valve Assembly Backflow Preventers with Flood Sensor - Small Diameter 3/4 - 2 IN Sizes

Series LF909-FS Large reduced pressure valve assembly backflow preventer is designed to prevent the reverse flow of liquids in a plumbing system due to backpressure or …

Series LF909-FS Large reduced pressure valve assembly backflow preventer is designed to prevent the reverse flow of liquids in a plumbing system due to backpressure or …

The 2 LF909M1-QT-S-FS is a reduced pressure zone assembly backflow preventer from Watts that prevents backflow of contaminated water into equipment. 2" ports, 175 PSI.

This 3" 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 …