WATTS LEAD FREE LF909 6" W/OSY

6 In Cast Iron Reduced Pressure Zone Backflow Preventer Assembly, Domestic OSY Shutoff Valves, Epoxy Coated Using ArmorTek Technology

Model Overview

Series LF909 Large reduced pressure valve assembly backflow preventer is designed to prevent 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 provides substantially improved relief valve discharge performance during emergency conditions of combined backsiphonage and backpressure. The seats are replaceable for economical repair. These large diameter backflow preventers are available in 2-1/2 to 10 inch sizes. The coating on this backflow assembly uses ArmorTek™ technology to resist corrosion due to microbial induced corrosion (MIC) or exposed metal substrate. Features: Health hazard protection level, Exclusive relief valve design provides maximum capacity during emergency conditions, Industrial strength sensing hose on larger size models, Available with SentryPlus Alert™ Technology for flood detection alert capabilities, Can be used in a variety of installations, including containment at the service line entrance, No special tools required for servicing, The valve body shall utilize a coating system with built in electrochemical corrosion inhibitor and microbial inhibitor.