Febco LF870V-NRS 3" Double Check Valve Assembly

Febco LF870V double check valve backflow preventer assembly 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 has a ductile iron fused epoxy coated body, two independent check valves, replaceable stainless steel check seats, ball valve test cocks, and non-rising stem resilient wedge gate valves.