B & K ProLine Series 101-105 Check Valve, 1 in, IPS, 200 psi Pressure, PVC Body

Permit water to flow in one direction within a line with the ProLine Series PVC check valve. It acts as a back flow prevention device to prevent water from backing up into the fresh water supply. A steel spring poppet with a rubber O-ring is the internal mechanism preventing water back flow. An arrow is molded onto the valve body to ensure correct installation for proper flow control.