Hayward | CAT Controller Rotary Flow Sensor - CAX-20203

The Hayward CAT Controller Rotary Flow Sensor – CAX-20203 is a precision-engineered component designed to monitor water flow within pool and spa systems, ensuring proper circulation and safe operation of chemical controllers. Using a rotary-style mechanism, it provides accurate detection of flow conditions, helping prevent equipment from running when water movement is insufficient. This protects pumps, heaters, and dosing systems while maintaining consistent water quality. Built for durability and seamless integration with Hayward CAT controllers, the rotary flow sensor offers reliable performance, straightforward installation, and long-term dependability, making it an essential part of automated water management systems.