CMP HydroSeal™ 25913-254-000 Black 3-Way Diverter Valve, 2.5" Socket x 3" Spigot. CMP's HydroSeal™ (3-Way) Pool Diverter Valves are made from NSF Certified CPVC for performing under high temperature conditions. The valve features a 32 dial stop adjustable indicator plate for precise flow control. Its interchangeable flow tabs help marking ports easy with both English and Spanish language options included. All of our HydroSeal™ 3-Way Pool Diverter Valves include LifeSeals™, reducing the need for lubrication maintenance.