Hayward psv series 2-way and 3-way diverter valves and check valves make water flow management simple and ­maintenance free. Durable cpvc body and lid construction ­provide greater heat ­tolerance, preventing warping and leaks in the most demanding environments. All components are made of corrosion resistant materials allowing for proper function over an extended life. Psv series valves are available in multiple ­material, size and port configurations to accommodate most new construction and aftermartket scenarios., pvc valves not recommended for ambient temperatures of 104°f or above., hayward ball valves are designed for ­maximum flow efficiencies and pressure ­ratings up to 50 psi. They feature a dial handle for easy flow regulation and visual indication of valve setting. Teflon seats and union end connectors accurately align the ball and ­provide a dependable sealing surface.