Watts LF909-OSY-FP 4 - Part of the LF909 Large Series ADS This second check valve kit

This second check valve kit is used to repair or replace the second check on a 4 inch lead free double check detector assembly and used to prevent the reverse flow of polluted water from entering into the potable water supply

Specifications ArmorTek Technology No Backflow Preventer Type Double Check Detector Assembly Body Finish Stainless Steel Body Material Stainless Steel Body Pattern Inline Brand Watts Buy American Act Compliant NO Bypass Yes Cap And Tether No EAN 098268840612 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 10 IN Inlet Connection Size-Metric 254 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 140 Maximum Working Pressure-BAR 12

UPC - 098268581096

It has a diaphragm

Specifications Blowdown Outlet Connection Female Threaded Blowdown Outlet Size 1 IN Body Material Lead Free Cast Copper Silicon Alloy Body Pattern Wye Brand Watts Buy American Act Compliant NO EAN 098268664478 Gasket Material EPDM Inlet Connection Size 1 1/2 IN Inlet Connection Size-Metric 40 MM Inlet Connection Type Female Threaded Inlet Thread Type NPT Lead Free YES Outlet Connection Size 1 1/2 IN Outlet Connection Type Female Threaded Outlet Thread Type FPT Part Number 0123118 Retainer Cover Material Lead Free Cast Copper Silicon Alloy Retainer Cover Type Tapped with Closure Plug Screen Material Stainless Steel Screen Size 80 MESH Series LF777S Strainer Type Wye Specification Sheet - LF777

Watts LF909-OSY-FP 4 - Part of the LF909 Large Series ADS This second check valve kitThis 4 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 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, as well as provide continuous monitoring, multi