Febco LF870V-LG 4" Double Check Valve Assembly

Febco LF870V design double check valve backflow preventer assembly is designed for non-health hazard applications and prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply due to backsiphonage and or backpressure. The assembly without the shutoff valves consists of an epoxy coated ductile iron body, flanged end connections, two independent check valves, replaceable stainless steel check seats, and test cocks.