Watts F391009 1"RPZ BFP Leadfree LF909-QT-FS

The Watts F391009 Lead Free Reduced Pressure Zone Backflow Preventer LF909-QT-FS should be used to control the flow of water and avoid contamination in plumbing and HVAC systems. It has a 1-inch connection size and a reduced pressure zone that allows the back-siphonage and backpressure to be controlled by the release of water under the conditions of reverse flow. It is widely used in commercial buildings, irrigation systems, and hydronic heating systems and is used in water distribution to ensure the correct direction of flow and integrity under normal operational conditions.