The Hayward PVC 3-port diverter valve is designed for compatible plumbing applications where water needs to be routed between larger plumbing lines. A 3-port diverter valve is useful because it helps direct flow between multiple paths, supporting equipment control and more flexible system routing.This replacement is especially useful when the original valve is cracked, leaking, stiff, or no longer directing flow correctly. Matching the correct 2 inch to 2.5 inch configuration helps preserve intended fit and dependable plumbing performance.The PSV3S2DGR is a practical service part when a compatible Hayward plumbing system needs a valve to restore dependable flow-direction control. Hayward PVC 3-port diverter valve 2 inch to 2.5 inch configuration Designed for compatible plumbing applications Useful when the original valve is leaking or difficult to operate Supports cleaner and more dependable flow control