{"product_id":"pentair-replacement-intellichlor®-plus-and-lt-sensor-board","title":"Pentair Replacement IntelliChlor® Plus and LT Sensor Board 523769","description":"\n\u003ch2\u003ePentair IntelliChlor Plus \u0026amp; LT Sensor Module Replacement Kit | 523769\u003c\/h2\u003e\n\n\u003cp\u003e\n    The \u003cstrong\u003ePentair 523769 Sensor Module Replacement Kit\u003c\/strong\u003e\n    is a genuine OEM replacement assembly for compatible\n    \u003cstrong\u003ePentair IntelliChlor Plus and IntelliChlor LT\n    salt chlorine generators\u003c\/strong\u003e.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    This replaceable 3-in-1 sensor module monitors water flow,\n    water temperature, and conductivity (salinity), helping\n    the salt chlorine generator determine appropriate operating\n    conditions and maintain reliable system performance.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    The modular design allows the sensor assembly to be replaced\n    independently without purchasing an entirely new salt cell\n    when the original sensor module has failed.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGenuine Pentair OEM:\u003c\/strong\u003e Original manufacturer replacement sensor module.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e3-in-1 Sensor Assembly:\u003c\/strong\u003e Combines flow, temperature, and conductivity sensing.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntelliChlor Plus Compatibility:\u003c\/strong\u003e Fits Plus30, Plus40, and Plus60 models.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntelliChlor LT Compatibility:\u003c\/strong\u003e Fits LT15 and LT25 models.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReplaceable Modular Design:\u003c\/strong\u003e Allows individual sensor module servicing.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eImproved Salinity Monitoring:\u003c\/strong\u003e Provides conductivity measurements used to determine salt levels.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstallation Hardware Included:\u003c\/strong\u003e Comes with an O-ring, six Torx screws, and a Torx screwdriver bit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Pentair\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 523769\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDistributor SKU:\u003c\/strong\u003e PAC-451-3407\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Replacement Sensor Module Kit\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompatible Series:\u003c\/strong\u003e IntelliChlor Plus and IntelliChlor LT\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSensor Functions:\u003c\/strong\u003e Water Flow, Temperature, Conductivity\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 788379918798\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer Warranty:\u003c\/strong\u003e 1-Year Limited\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSelling Quantity:\u003c\/strong\u003e 1 Sensor Module Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Pentair Salt Chlorine Generators\u003c\/h3\u003e\n\n\u003cul\u003e\n    \u003cli\u003ePentair IntelliChlor LT15\u003c\/li\u003e\n    \u003cli\u003ePentair IntelliChlor LT25\u003c\/li\u003e\n    \u003cli\u003ePentair IntelliChlor Plus30\u003c\/li\u003e\n    \u003cli\u003ePentair IntelliChlor Plus40\u003c\/li\u003e\n    \u003cli\u003ePentair IntelliChlor Plus60\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eCompatibility Notice:\u003c\/strong\u003e\n    Pentair 523769 is specifically designed for the\n    newer IntelliChlor Plus and LT series. It is not\n    listed as a replacement for the original IntelliChlor\n    IC15, IC20, IC40, or IC60 sensor assemblies.\n\u003c\/p\u003e\n\n\u003ch3\u003eThree Sensors in One Replaceable Module\u003c\/h3\u003e\n\n\u003cp\u003e\n    The Pentair 523769 combines three essential\n    monitoring functions into one assembly:\n\u003c\/p\u003e\n\n\u003cul\u003e\n    \u003cli\u003e\n        \u003cstrong\u003eFlow Sensor:\u003c\/strong\u003e\n        Monitors water movement through the salt chlorine\n        generator to support safe chlorine production.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003cstrong\u003eTemperature Sensor:\u003c\/strong\u003e\n        Monitors pool water temperature for proper\n        system operation.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003cstrong\u003eConductivity Sensor:\u003c\/strong\u003e\n        Measures water conductivity to estimate\n        salt concentration.\n    \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Sensor Failure Symptoms\u003c\/h3\u003e\n\n\u003cp\u003e\n    A malfunctioning sensor module may cause warning\n    messages or incorrect operating readings.\n    Potential symptoms include:\n\u003c\/p\u003e\n\n\u003cul\u003e\n    \u003cli\u003eSENS ERR warning message\u003c\/li\u003e\n    \u003cli\u003eIncorrect or zero salinity readings\u003c\/li\u003e\n    \u003cli\u003eWAITING FLOW message despite adequate water circulation\u003c\/li\u003e\n    \u003cli\u003eConfirmed sensor module corrosion or electronic failure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n    These symptoms can have several causes.\n    Follow Pentair's troubleshooting procedures\n    before replacing the sensor module.\n\u003c\/p\u003e\n\n\u003ch3\u003eReplace the Sensor Without Replacing the Complete Cell\u003c\/h3\u003e\n\n\u003cp\u003e\n    Unlike older salt chlorine generator designs,\n    the IntelliChlor Plus and LT series features\n    individually serviceable components.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    The 523769 kit allows replacement of the sensor\n    module while retaining the existing cell and\n    controller when those components remain functional.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    This can reduce repair costs and minimize\n    unnecessary equipment replacement.\n\u003c\/p\u003e\n\n\u003ch3\u003eRelated Pentair IntelliChlor Products\u003c\/h3\u003e\n\n\u003cul\u003e\n    \u003cli\u003e\n        \u003ca href=\"https:\/\/aquapoolsupply.com\/products\/pentairintellichlorreplacementunionkit520595pen520595\"\u003e\n            \u003cstrong\u003ePentair 520595 – IntelliChlor Replacement Union Kit\u003c\/strong\u003e\n        \u003c\/a\u003e\n        – Genuine Pentair replacement plumbing unions,\n        sold as a set of two.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003ca href=\"https:\/\/aquapoolsupply.com\/collections\/call-for-price\/products\/cell-intellichlor-plus30-na-version-523730\"\u003e\n            \u003cstrong\u003ePentair 523730 – IntelliChlor Plus30 Salt Chlorine Generator\u003c\/strong\u003e\n        \u003c\/a\u003e\n        – Complete replacement salt chlorine generator\n        cell for pools up to 30,000 gallons.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=523770\"\u003e\n            \u003cstrong\u003ePentair 523770 – IntelliChlor Plus Controller Assembly\u003c\/strong\u003e\n        \u003c\/a\u003e\n        – Find the separately replaceable controller\n        for compatible IntelliChlor Plus systems.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=523759\"\u003e\n            \u003cstrong\u003ePentair 523759 – IntelliChlor Accessory Kit\u003c\/strong\u003e\n        \u003c\/a\u003e\n        – Search for related controller and sensor\n        replacement accessories.\n    \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Recommendations\u003c\/h3\u003e\n\n\u003cp\u003e\n    Installation should be performed according to\n    Pentair's official IntelliChlor Plus and LT\n    service instructions.\n\u003c\/p\u003e\n\n\u003cul\u003e\n    \u003cli\u003eDisconnect electrical power before servicing the salt chlorine generator.\u003c\/li\u003e\n    \u003cli\u003eTurn off the circulation pump and relieve plumbing pressure.\u003c\/li\u003e\n    \u003cli\u003eVerify the replacement module is compatible with the existing cell.\u003c\/li\u003e\n    \u003cli\u003eInspect the sensor mounting area for debris, corrosion, or damage.\u003c\/li\u003e\n    \u003cli\u003eInstall the supplied O-ring and replacement module according to Pentair's instructions.\u003c\/li\u003e\n    \u003cli\u003eSecure the assembly using the provided Torx screws.\u003c\/li\u003e\n    \u003cli\u003eRestore operation and verify normal sensor readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eSafety:\u003c\/strong\u003e\n    Never bypass the flow sensor or operate the salt\n    chlorine generator without adequate water circulation.\n    Follow all manufacturer electrical and installation\n    safety procedures.\n\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\n\u003cul\u003e\n    \u003cli\u003eOne (1) Pentair IntelliChlor Plus \/ LT Sensor Module\u003c\/li\u003e\n    \u003cli\u003eOne (1) Sensor Module O-Ring\u003c\/li\u003e\n    \u003cli\u003eSix (6) Torx Mounting Screws\u003c\/li\u003e\n    \u003cli\u003eOne (1) Torx Screwdriver Bit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eNot Included:\u003c\/strong\u003e\n    Complete salt chlorine generator, replacement\n    electrolytic cell, controller assembly, or power center.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eSelling Quantity:\u003c\/strong\u003e\n    One complete Pentair 523769 Sensor Module Replacement Kit.\n\u003c\/p\u003e\n","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52748653134140,"sku":"523769","price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/Screenshot2026-11-11102443.png?v=1794417904","url":"https:\/\/aquapoolsupply.com\/products\/pentair-replacement-intellichlor%c2%ae-plus-and-lt-sensor-board","provider":"Aqua Pool Supply","version":"1.0","type":"link"}