{"product_id":"pentair-522623z-intellichem-external-low-flow-switch-kit-3-ft-cable-genuine-oem","title":"Pentair 522623Z IntelliChem External Low Flow Switch Kit, 3 ft Cable — Genuine OEM","description":"\u003cp\u003eThe \u003cstrong\u003ePentair 522623Z External Low Flow Switch Kit\u003c\/strong\u003e is the genuine OEM flow switch for the \u003cstrong\u003eIntelliChem® chemical controller\u003c\/strong\u003e, supplied with a 3 ft cable. It tells the IntelliChem whether water is actually moving through the system, so pH and ORP monitoring and chemical dosing only happen when there's proper flow — a critical safety interlock that prevents dosing into stagnant water.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Pentair OEM:\u003c\/strong\u003e Correct switch and signal for the IntelliChem controller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow-proving safety:\u003c\/strong\u003e Confirms water is circulating before the system monitors chemistry or doses chemicals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal inline design:\u003c\/strong\u003e Installs in the sample\/return line feeding the IntelliChem.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 ft cable included:\u003c\/strong\u003e Ready to connect to the IntelliChem flow-switch input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents false readings:\u003c\/strong\u003e Stops pH\/ORP sensing and dosing when there's no flow, protecting your pool and equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect replacement:\u003c\/strong\u003e Swaps in for a failed or intermittent IntelliChem flow switch.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 522623Z\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e External low flow switch kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Length:\u003c\/strong\u003e 3 ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Pentair IntelliChem chemical controllers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Flow-proving switch (enables monitoring\/dosing only when water is flowing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Pentair — genuine OEM\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does the Pentair 522623Z do?\u003c\/h3\u003e\n\u003cp\u003eIt's the flow switch for the IntelliChem controller. It confirms water is flowing through the system so the IntelliChem only monitors chemistry and doses acid\/chlorine when there's actual circulation — never into stagnant water.\u003c\/p\u003e\n\u003ch3\u003eWhich system does it work with?\u003c\/h3\u003e\n\u003cp\u003ePentair IntelliChem chemical controllers. It connects to the IntelliChem board's flow-switch input via the included 3 ft cable.\u003c\/p\u003e\n\u003ch3\u003eHow do I know my flow switch has failed?\u003c\/h3\u003e\n\u003cp\u003eCommon signs are a persistent \"no flow\" condition on the IntelliChem even when the pump is clearly running, or the controller failing to enter dosing mode. A failed or fouled switch is a frequent cause.\u003c\/p\u003e\n\u003ch3\u003eIs this the same as an IntelliChlor flow switch?\u003c\/h3\u003e\n\u003cp\u003eNo — this is specifically the \u003cstrong\u003eIntelliChem\u003c\/strong\u003e flow switch. The IntelliChlor salt cell uses a different flow-sensing arrangement. Match the part to the IntelliChem controller.\u003c\/p\u003e\n\u003ch3\u003eDoes it include the cable?\u003c\/h3\u003e\n\u003cp\u003eYes — a 3 ft cable is included, ready to connect to the IntelliChem.\u003c\/p\u003e\n\u003ch3\u003eShould a professional install it?\u003c\/h3\u003e\n\u003cp\u003ePlumbing into the sample line and wiring to the controller is best done by a qualified pool professional. Disconnect power to the IntelliChem before servicing, and confirm proper flow direction on installation.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52375655416125,"sku":"522623Z","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6741\/8429\/files\/522623Z.jpg?v=1785187941","url":"https:\/\/poolsupply4u.com\/products\/pentair-522623z-intellichem-external-low-flow-switch-kit-3-ft-cable-genuine-oem","provider":"PoolSupply 4U","version":"1.0","type":"link"}