{"product_id":"pentairichlorsaltsystemflowswitch523100pen523100","title":"Pentair iChlor Salt System Flow Switch | 523100","description":"\u003cdiv\u003e\n  \u003ch2\u003ePentair iChlor Flow-Temperature Switch Replacement Kit, 1\/2\" MPT | 523100\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Pentair \u003cstrong\u003e523100\u003c\/strong\u003e is an OEM \u003cstrong\u003eflow-temperature switch replacement kit\u003c\/strong\u003e for Pentair\n    \u003cstrong\u003eiChlor\u003c\/strong\u003e salt chlorine generator systems. This sensor verifies water flow through the plumbing and also\n    reports water temperature, helping the iChlor system operate safely and accurately. Replace it when the system shows\n    persistent flow-related errors, inaccurate temperature readings, or when the original switch is leaking or damaged.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFlow + temperature in one sensor:\u003c\/strong\u003e verifies circulation and provides water temperature input.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety protection:\u003c\/strong\u003e helps prevent chlorine generation when there is insufficient flow.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e1\/2\" male pipe thread (MPT):\u003c\/strong\u003e threads into the appropriate port in the iChlor plumbing assembly (installation dependent).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUpdated wiring style:\u003c\/strong\u003e commonly supplied as a \u003cstrong\u003e3-wire\u003c\/strong\u003e flow\/temperature switch (used as a replacement for some older 4-wire versions, depending on revision).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIncludes watertight splice connectors:\u003c\/strong\u003e designed to make a sealed, weather-resistant wiring connection.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Pentair \u003cstrong\u003eiChlor 15\u003c\/strong\u003e salt system (523080) where parts diagram calls for \u003cstrong\u003e523100\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Pentair \u003cstrong\u003eiChlor 30\u003c\/strong\u003e salt system (523081) where parts diagram calls for \u003cstrong\u003e523100\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cem\u003eTip:\u003c\/em\u003e Confirm your exact system model and revision before ordering—iChlor and IntelliChlor parts are not always interchangeable.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003cstrong\u003e(1) Flow-temperature switch assembly\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e(4) Watertight splice connectors\u003c\/strong\u003e (for sealed wire splicing)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Symptoms of a Failed Flow\/Temperature Switch\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eRepeated \u003cstrong\u003elow\/no flow\u003c\/strong\u003e indications even when the pump is running and the filter is clean\u003c\/li\u003e\n    \u003cli\u003eChlorine generation stops unexpectedly due to intermittent flow sensing\u003c\/li\u003e\n    \u003cli\u003eInaccurate or unstable \u003cstrong\u003ewater temperature\u003c\/strong\u003e readings\u003c\/li\u003e\n    \u003cli\u003eVisible cracking, leaking, or damage at the switch body or cable\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eTurn off power to the pump and salt system before service.\u003c\/li\u003e\n    \u003cli\u003eRelieve system pressure and drain down as needed before removing the existing switch.\u003c\/li\u003e\n    \u003cli\u003eUse the included \u003cstrong\u003ewatertight splice connectors\u003c\/strong\u003e for a sealed electrical connection and route wiring away from heat and sharp edges.\u003c\/li\u003e\n    \u003cli\u003eThread the new switch in carefully and do not over-tighten (avoid damaging threads or housings).\u003c\/li\u003e\n    \u003cli\u003eAfter installation, restore flow and verify the system recognizes flow and shows normal temperature readings.\u003c\/li\u003e\n    \u003cli\u003eIf flow errors persist, confirm overall circulation (clean baskets\/filter, open valves, no suction\/return restrictions) and verify the switch is installed in the correct location\/orientation for your plumbing layout.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Pentair\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 523100\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Flow-temperature switch replacement kit\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/2\" MPT\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eElectrical:\u003c\/strong\u003e Flow + temperature sensor leads (wiring style varies by revision)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 kit\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\/pages\/search-results-page?q=iChlor%2015\"\u003ePentair iChlor 15 systems \u0026amp; parts\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=iChlor%2030\"\u003ePentair iChlor 30 systems \u0026amp; parts\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=salt%20cell%20cleaner\"\u003eSalt cell cleaner\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=union%20o-ring%20pentair\"\u003eUnion O-rings \u0026amp; seals\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=pool%20flow%20switch\"\u003ePool flow switches\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=watertight%20wire%20connectors\"\u003eWatertight wire connectors\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eKeep the filter clean and maintain proper flow—many “flow” errors are caused by clogged baskets, dirty filters, or partially closed valves.\u003c\/li\u003e\n    \u003cli\u003eMaintain balanced water chemistry to reduce scale that can affect salt system performance and sensor accuracy.\u003c\/li\u003e\n    \u003cli\u003eInspect wiring and connectors seasonally for corrosion or water intrusion, especially on outdoor equipment pads.\u003c\/li\u003e\n    \u003cli\u003eIf your salt system frequently reports low flow, confirm pump run speed (variable-speed pumps) meets the minimum flow needed for the salt system to operate.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52589952368956,"sku":"523100","price":89.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-ichlor-salt-system-flow-switch-523100-salt-chlorine-generation-4021823.jpg?v=1771459099","url":"https:\/\/aquapoolsupply.com\/products\/pentairichlorsaltsystemflowswitch523100pen523100","provider":"Aqua Pool Supply","version":"1.0","type":"link"}