Hayward CAT Rotary Flow Sensor | CAX-20203 Pop-Up Valve Replacement Parts Standard pool wall return applications

Standard pool wall return applications that accept a 1-1/2" MIP threaded return fitting

Pentair 272515 Air Bleeder Screw w/ O-Ring (Search)

Praher 150-906 High Temp Union – 1½″ MIP × 1½″ Slip

Remove the existing suction wall fitting or adapter

Hayward CAT Rotary Flow Sensor | CAX-20203 Pop-Up Valve Replacement Parts Standard pool wall return applicationsHayward CAX 20203 Rotary Flow Sensor (Open Line) CAT Controllers Flow Monitoring Sensor The Hayward CAX 20203 is an OEM rotary flow sensor used with Hayward commercial CAT controller systems to confirm adequate recirculating water flow. It helps protect equipment and bathers by allowing the controller to disable chemical feed when flow is insufficient (for example during backwash, a clogged strainer, or other low flow conditions). Fits Compatibility