Watts LF909 OSY FP 3 Part of the LF909 Large Series SITEDRAIN This 2 1 2 inch stainless This 2 1 2 inch stainless steel reduced pressure zone assembly backflow preventer with SentryPlusAlert technology with automatic shutoff ACV for flood detection and prevention is designed to prevent the reverse flow of contaminated water from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements It is ideal for protection at cross connections identified as non health hazard applications and from other non toxic contaminants found at the service line entrance Specifications ArmorTek Technology Yes Backflow Preventer Type Reduced Pressure Zone Assembly Body Finish Epoxy Coated Using ArmorTek Technology Body Material Cast Iron Body Pattern Inline Brand Watts Buy American Act Compliant NO Bypass No Bypass Size Does Not Apply To Product Cap And Tether No Disc Material Silicone EAN 098268159394 Elbow Fitting No Hazard Protection Level Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 3 IN Inlet Connection Size Metric 80 MM Inlet Connection Type Flanged Joint Inlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Inlet Thread Type Does Not Apply To Product Lead Free Yes Maximum Temperature Fahrenheit 110 Maximum Working Pressure BAR 12 This LF909 assembly features an exclusive relief valve design provides maximum capacity during emergency conditions