{"product_id":"haywardcatrotaryflowsensorcax20203hppcax20203","title":"Hayward CAT Rotary Flow Sensor | CAX-20203","description":"\u003cdiv class=\"product-description\"\u003e\n\n  \u003ch2\u003eHayward CAX-20203 Rotary Flow Sensor (Open Line) — CAT Controllers Flow Monitoring Sensor\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Hayward \u003cstrong\u003eCAX-20203\u003c\/strong\u003e is an OEM \u003cstrong\u003erotary flow sensor\u003c\/strong\u003e used with Hayward commercial\n    \u003cstrong\u003eCAT controller\u003c\/strong\u003e systems to confirm adequate recirculating water flow. It helps protect equipment and bathers by allowing the\n    controller to \u003cstrong\u003edisable chemical feed\u003c\/strong\u003e when flow is insufficient (for example during backwash, a clogged strainer, or other\n    low-flow conditions).\n  \u003c\/p\u003e\n\n  \u003ch3\u003eFits \/ Compatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHayward \u003cstrong\u003eCAT\u003c\/strong\u003e automated chemical controller systems (commercial automation applications)\u003c\/li\u003e\n    \u003cli\u003eCommonly referenced for select \u003cstrong\u003eCAT 1000\u003c\/strong\u003e and \u003cstrong\u003eCAT 2000\u003c\/strong\u003e controller setups (verify by controller model\/parts diagram)\u003c\/li\u003e\n    \u003cli\u003ePool Type: \u003cstrong\u003eCommercial\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat It Does\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eMonitors circulation flow conditions so the controller can verify \u003cstrong\u003esafe, stable flow\u003c\/strong\u003e before chemical dosing\u003c\/li\u003e\n    \u003cli\u003eHelps prevent dosing during \u003cstrong\u003elow-flow\/no-flow\u003c\/strong\u003e events\u003c\/li\u003e\n    \u003cli\u003eSupports more reliable pH\/sanitizer control by ensuring the controller only feeds when conditions are appropriate\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Reasons to Replace\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eFlow-related alarms or faults traced to a failed sensor (after confirming proper flow and clean plumbing)\u003c\/li\u003e\n    \u003cli\u003eIntermittent or unstable flow indication\u003c\/li\u003e\n    \u003cli\u003ePhysical damage, corrosion, or cable\/connector issues\u003c\/li\u003e\n    \u003cli\u003ePreventive replacement during controller system service\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecs (Quick Reference)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePart Number (SKU): \u003cstrong\u003eCAX-20203\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePart Type: \u003cstrong\u003eAutomation \/ Commercial Parts\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eChannel: \u003cstrong\u003eOpen Line\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGTIN: \u003cstrong\u003e761418012749\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eApprox. Shipping Weight: \u003cstrong\u003e0.2 lb\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eWarranty: \u003cstrong\u003e1-Year (Parts Only)\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eShut off power to the controller and ensure the circulation system is off before servicing.\u003c\/li\u003e\n    \u003cli\u003eInstall in the correct orientation\/location specified by your CAT controller plumbing diagram.\u003c\/li\u003e\n    \u003cli\u003eAfter installation, verify flow status changes correctly during normal operation and when flow is interrupted.\u003c\/li\u003e\n    \u003cli\u003eIf issues persist, inspect for debris\/restriction at the sensor location and confirm controller input wiring is correct.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRelated Products\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=CAX-20203\"\u003eHayward CAX-20203 (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Hayward%20CAT%20controller%20parts\"\u003eHayward CAT Controller Parts (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Hayward%20pH%20probe\"\u003eHayward pH Probes (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Hayward%20ORP%20probe\"\u003eHayward ORP Probes (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=chemical%20controller%20flow%20switch\"\u003eChemical Controller Flow Switches (search)\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eKeep filters clean and baskets clear—restricted flow can cause nuisance flow alarms and interrupted chemical feed.\u003c\/li\u003e\n    \u003cli\u003eInspect the sensor area periodically for debris buildup that can affect flow detection.\u003c\/li\u003e\n    \u003cli\u003eIf the controller reports low flow unexpectedly, confirm pump operation and valve positions before replacing parts.\u003c\/li\u003e\n    \u003cli\u003eKeep controller enclosures dry and protected from moisture to reduce corrosion at sensor connections.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":46797878100143,"sku":"CAX-20203","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/hayward-cat-rotary-flow-sensor-cax-20203-miscellaneous-9290228.jpg?v=1777068616","url":"https:\/\/freshized.com\/products\/haywardcatrotaryflowsensorcax20203hppcax20203","provider":"Freshized","version":"1.0","type":"link"}