{"product_id":"pentair-autofill-6-in-ext-t6ext","title":"Pentair Autofill 6 In Extension T6EXT","description":"\n\u003ch2\u003ePentair AutoFill 6\" Extension for Fluidmaster Valve | T6EXT\u003c\/h2\u003e\n\n\u003cp\u003e\n    The \u003cstrong\u003ePentair T6EXT AutoFill 6-Inch Extension\u003c\/strong\u003e\n    is a genuine OEM replacement component designed for\n    compatible Pentair automatic swimming pool water levelers\n    equipped with a Fluidmaster valve.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    This 6-inch extension is used with the Fluidmaster\n    valve configuration found in select Pentair AutoFill\n    systems. It provides the additional extension needed\n    for compatible water leveler installations and repairs.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    Manufactured to Pentair's original specifications,\n    the T6EXT is designed to work with the appropriate\n    AutoFill assembly without replacing the complete\n    automatic water leveler.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGenuine Pentair OEM:\u003c\/strong\u003e Original manufacturer replacement component.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e6-Inch Extension:\u003c\/strong\u003e Designed for compatible AutoFill installations requiring additional extension length.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFluidmaster Valve Compatibility:\u003c\/strong\u003e Specifically identified for Pentair AutoFill systems using a Fluidmaster valve.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAutomatic Water Leveler Component:\u003c\/strong\u003e Used in compatible pool and spa automatic filling systems.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReplacement Part:\u003c\/strong\u003e Allows servicing of the existing AutoFill assembly.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIndividual Component:\u003c\/strong\u003e Sold as one extension, not a complete water leveler.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\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 T6EXT\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e AutoFill Valve Extension\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExtension Size:\u003c\/strong\u003e 6 Inches\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e White\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Automatic Pool Water Leveler\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompatible Valve:\u003c\/strong\u003e Fluidmaster\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompatible Series:\u003c\/strong\u003e Pentair AutoFill with Fluidmaster Valve\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 788379505820\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 1 Extension\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Pentair AutoFill Systems\u003c\/h3\u003e\n\n\u003cp\u003e\n    Pentair T6EXT is intended for compatible automatic\n    water fillers using the Fluidmaster valve configuration.\n\u003c\/p\u003e\n\n\u003cul\u003e\n    \u003cli\u003ePentair T40F AutoFill Systems\u003c\/li\u003e\n    \u003cli\u003eCompatible Pentair AutoFill Units with Fluidmaster Valves\u003c\/li\u003e\n    \u003cli\u003eApplicable Pentair Automatic Water Filler Installations Requiring T6EXT\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eCompatibility Notice:\u003c\/strong\u003e\n    Pentair AutoFill systems are available with different\n    valve configurations, including brass and Fluidmaster\n    versions. The T6EXT is specified for the Fluidmaster\n    valve and is not a universal replacement for every\n    automatic water leveler.\n\u003c\/p\u003e\n\n\u003ch3\u003eWhat Does an AutoFill Extension Do?\u003c\/h3\u003e\n\n\u003cp\u003e\n    Automatic swimming pool water levelers maintain pool\n    water levels by opening a float-controlled valve when\n    the water level drops below its set point.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    The T6EXT provides a 6-inch extension for compatible\n    Fluidmaster valve installations, helping accommodate\n    the required component positioning within the\n    automatic water filling system.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    Correct installation and adjustment are important\n    to maintaining the desired pool water level.\n\u003c\/p\u003e\n\n\u003ch3\u003eWhen to Replace the Extension\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003eThe original extension is cracked or damaged.\u003c\/li\u003e\n    \u003cli\u003eAn existing Fluidmaster valve installation requires the specified extension.\u003c\/li\u003e\n    \u003cli\u003eThe extension is missing during AutoFill repair or reassembly.\u003c\/li\u003e\n    \u003cli\u003eA compatible installation requires an additional 6-inch extension.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n    Verify the original component and current Pentair\n    parts diagram before selecting a replacement.\n\u003c\/p\u003e\n\n\u003ch3\u003eRelated Pentair AutoFill Products\u003c\/h3\u003e\n\n\u003cp\u003e\n    Aqua Pool Supply carries complete Pentair AutoFill\n    assemblies and replacement components.\n\u003c\/p\u003e\n\n\u003cul\u003e\n    \u003cli\u003e\n        \u003ca href=\"https:\/\/aquapoolsupply.com\/products\/pentairautomaticwaterfillerwfluidmastervalvewhitet40fwpent40fw\"\u003e\n            \u003cstrong\u003ePentair T40FW – Automatic Water Filler with Fluidmaster Valve, White\u003c\/strong\u003e\n        \u003c\/a\u003e\n        – Complete white AutoFill assembly with Fluidmaster valve.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003ca href=\"https:\/\/aquapoolsupply.com\/collections\/parts-list-pentair-autofill-automatic-water-filler\"\u003e\n            \u003cstrong\u003ePentair AutoFill Replacement Parts Diagram\u003c\/strong\u003e\n        \u003c\/a\u003e\n        – Identify the T29 Fluidmaster valve, T6EXT extension,\n        replacement lids, top rings, and other AutoFill components.\n    \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Recommendations\u003c\/h3\u003e\n\u003col\u003e\n    \u003cli\u003eShut off the water supply to the automatic water filler.\u003c\/li\u003e\n    \u003cli\u003eAccess the AutoFill assembly according to Pentair's instructions.\u003c\/li\u003e\n    \u003cli\u003eConfirm the unit uses the compatible Fluidmaster valve configuration.\u003c\/li\u003e\n    \u003cli\u003eInspect the existing extension and related components.\u003c\/li\u003e\n    \u003cli\u003eInstall the Pentair T6EXT according to the manufacturer's instructions.\u003c\/li\u003e\n    \u003cli\u003eRestore the water supply and check for leaks.\u003c\/li\u003e\n    \u003cli\u003eVerify proper float valve operation and water level adjustment.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eIncludes:\u003c\/strong\u003e\n    One (1) Genuine Pentair T6EXT 6-Inch Extension\n    for compatible Fluidmaster AutoFill valves.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eNot Included:\u003c\/strong\u003e\n    Fluidmaster valve, automatic water leveler housing,\n    deck lid, or other separately sold components.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eSelling Quantity:\u003c\/strong\u003e One extension.\n\u003c\/p\u003e\n","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52670614470972,"sku":"T6EXT","price":39.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/Screenshot2026-11-10124857.png?v=1794340160","url":"https:\/\/aquapoolsupply.com\/products\/pentair-autofill-6-in-ext-t6ext","provider":"Aqua Pool Supply","version":"1.0","type":"link"}