Mueller Global 1/2 in. PVC Threaded Check Valve

Permit water to flow in one direction within a line with the ProLine 1/2 in. PVC Check Valve. It acts as a backflow prevention device to prevent water from backing up into a municipal water supply.California residentssee Prop 65 WARNINGSMade of durable PVCFor use with cold water onlyNot for use with compressed airFits both Sch. 40 and Sch. 80 PVC pipeCan be installed vertically or horizontallySpring-loaded poppetRated for 200 psi at 73°FSpring-loaded poppetO-ring seal