Hayward CAT Controller ORP Sensor with 24" Cable

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The Hayward PRO25-2 Cat Controller ORP sensor provides accurate and reliable Oxidation-Reduction Potential (ORP) measurements for commerical pools, spas, and water tanks. Built for long life and low maintenance, it features a dry-polymer electrolyte and a porous Teflon reference junction, ensuring consistent readings for your chemical controller. Features: 24" low-noise cable reduces interference, with a color-coded BNC connector for easy identification Durable 1/2" NPT Molded Body: Injection-molded body protects internal components and allows straightforward installation Combination electrode with both reference and measurement half-cells; no separate reference electrode required Dry-Polymer Electrolyte provides a high resistance to bacterial contamination and extended service life Porous Teflon junction resists fouling and is easy to clean with mild solutions; mineral deposits can be removed with mild acid Works as a direct replacement or upgrade for CAT controllers. Show more