{"product_id":"hayward-e-clamp-for-star-clear-filter-copy","title":"Hayward Star-Clear Plus Filter Locking Knob E-Ring Retaining Clip CX900J","description":"\n\u003ch2\u003eHayward Star-Clear Plus Filter E-Ring Retaining Clip | CX900J\u003c\/h2\u003e\n\n\u003cp\u003e\n    The \u003cstrong\u003eHayward CX900J E-Ring Retaining Clip\u003c\/strong\u003e is a\n    genuine OEM replacement part designed for compatible\n    \u003cstrong\u003eHayward Star-Clear Plus cartridge pool filters\u003c\/strong\u003e.\n    This small retaining clip is used in the filter's locking\n    knob assembly to help secure the mechanism during\n    filter maintenance.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    If the original E-ring becomes worn, bent, broken, or missing,\n    replacing it can help restore proper operation of the\n    filter head locking knob assembly.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGenuine Hayward OEM:\u003c\/strong\u003e Original manufacturer replacement retaining clip.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStar-Clear Plus Compatibility:\u003c\/strong\u003e Designed for compatible Hayward single-cartridge filters.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLocking Knob Component:\u003c\/strong\u003e Helps retain the filter head locking mechanism.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Replaces original Hayward part number CX900J.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSmall Service Part:\u003c\/strong\u003e Allows replacement of a damaged retaining clip without purchasing the complete filter head.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIndividual Component:\u003c\/strong\u003e Sold as one E-ring.\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 Hayward Pool Products\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e CX900J\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDistributor Part Number:\u003c\/strong\u003e HAY-051-1466\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e E-Ring Retaining Clip\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFilter Series:\u003c\/strong\u003e Hayward Star-Clear Plus\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Filter Head Locking Knob Assembly\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eParts Diagram Reference:\u003c\/strong\u003e #4\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQuantity Required Per Filter:\u003c\/strong\u003e 1\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 1 E-Ring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Hayward Cartridge Filters\u003c\/h3\u003e\n\n\u003cp\u003e\n    Hayward CX900J is identified in the manufacturer's\n    Star-Clear Plus parts diagrams for compatible models\n    in the following series:\n\u003c\/p\u003e\n\n\u003cul\u003e\n    \u003cli\u003eHayward Star-Clear Plus C751 Series\u003c\/li\u003e\n    \u003cli\u003eHayward Star-Clear Plus C900 Series\u003c\/li\u003e\n    \u003cli\u003eHayward Star-Clear Plus C1200 Series\u003c\/li\u003e\n    \u003cli\u003eHayward Star-Clear Plus C1502 Series\u003c\/li\u003e\n    \u003cli\u003eHayward Star-Clear Plus C1750 Series\u003c\/li\u003e\n    \u003cli\u003eHayward Star-Clear Plus C2002 Series\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eCompatibility Notice:\u003c\/strong\u003e\n    Verify the exact filter model and locking knob\n    configuration against the Hayward replacement\n    parts diagram before ordering.\n\u003c\/p\u003e\n\n\u003ch3\u003eWhat Does the CX900J E-Ring Do?\u003c\/h3\u003e\n\n\u003cp\u003e\n    The Star-Clear Plus filter uses a locking knob\n    mechanism to secure and release the filter head\n    during cartridge cleaning and maintenance.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    The CX900J E-ring is a retaining component\n    within that mechanism. It helps keep the\n    associated parts properly positioned as\n    the locking knob is operated.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    A missing or broken E-ring may prevent the\n    locking knob from functioning correctly\n    when attempting to remove the filter head.\n\u003c\/p\u003e\n\n\u003ch3\u003eWhen to Replace the E-Ring\u003c\/h3\u003e\n\n\u003cp\u003eInspect the retaining clip if:\u003c\/p\u003e\n\n\u003cul\u003e\n    \u003cli\u003eThe original E-ring is broken or missing.\u003c\/li\u003e\n    \u003cli\u003eThe retaining clip is bent or damaged.\u003c\/li\u003e\n    \u003cli\u003eThe locking knob does not operate correctly.\u003c\/li\u003e\n    \u003cli\u003eThe filter head does not release as expected.\u003c\/li\u003e\n    \u003cli\u003eDamage is discovered while servicing the locking knob assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n    Inspect the associated locking knob, washers,\n    and other retaining components for wear or damage.\n\u003c\/p\u003e\n\n\u003ch3\u003eRelated Hayward Star-Clear Plus Replacement Parts\u003c\/h3\u003e\n\n\u003cp\u003e\n    Complete your filter repair with related products\n    available from Aqua Pool Supply.\n\u003c\/p\u003e\n\n\u003cul\u003e\n    \u003cli\u003e\n        \u003ca href=\"https:\/\/aquapoolsupply.com\/products\/haywardstarclearpluslockingknobcx900ghppcx900g\"\u003e\n            \u003cstrong\u003eHayward CX900G – Star-Clear Plus Locking Knob\u003c\/strong\u003e\n        \u003c\/a\u003e\n        – Genuine replacement locking knob for compatible\n        Star-Clear Plus cartridge filters.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=CX900H\"\u003e\n            \u003cstrong\u003eHayward CX900H – Locking Knob O-Ring\u003c\/strong\u003e\n        \u003c\/a\u003e\n        – Search for the replacement O-ring used\n        in the locking knob assembly.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=CX900W\"\u003e\n            \u003cstrong\u003eHayward CX900W – Locking Knob Washer\u003c\/strong\u003e\n        \u003c\/a\u003e\n        – Search for replacement washers used\n        in compatible filter assemblies.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=CX900D\"\u003e\n            \u003cstrong\u003eHayward CX900D – Filter Guide Cone\u003c\/strong\u003e\n        \u003c\/a\u003e\n        – Search for the guide cone used in\n        compatible Star-Clear Plus filters.\n    \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHayward Filter Parts Diagrams\u003c\/h3\u003e\n\n\u003cp\u003e\n    Need additional replacement components?\n    Visit our\n    \u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/pool-equipment-parts-and-diagrams\"\u003e\n        \u003cstrong\u003ePool Equipment Parts \u0026amp; Diagrams\u003c\/strong\u003e\n    \u003c\/a\u003e\n    page and select Hayward cartridge filters to\n    identify the correct part for your model.\n\u003c\/p\u003e\n\n\u003ch3\u003eInstallation and Maintenance\u003c\/h3\u003e\n\n\u003col\u003e\n    \u003cli\u003eTurn off the pool circulation pump and disable automatic startup.\u003c\/li\u003e\n    \u003cli\u003eOpen the manual air relief valve and completely relieve filter pressure.\u003c\/li\u003e\n    \u003cli\u003eVerify the pressure gauge reads zero before servicing.\u003c\/li\u003e\n    \u003cli\u003eFollow Hayward's instructions for accessing the locking knob assembly.\u003c\/li\u003e\n    \u003cli\u003eRemove the damaged E-ring using appropriate tools.\u003c\/li\u003e\n    \u003cli\u003eInspect the locking knob and associated washers for damage.\u003c\/li\u003e\n    \u003cli\u003eInstall the replacement CX900J retaining clip in the correct position.\u003c\/li\u003e\n    \u003cli\u003eVerify the clip is fully seated and the mechanism operates correctly.\u003c\/li\u003e\n    \u003cli\u003eReassemble the filter according to Hayward's instructions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eSafety:\u003c\/strong\u003e\n    Never attempt to loosen or remove a pool filter\n    head while the system is pressurized. Filter\n    components can separate violently if the\n    manufacturer's pressure relief and assembly\n    procedures are not followed.\n\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eIncludes:\u003c\/strong\u003e\n    One (1) Genuine Hayward CX900J E-Ring Retaining Clip.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eNot Included:\u003c\/strong\u003e\n    Locking knob, washers, O-rings, guide cone,\n    filter head, or other replacement components.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eSelling Quantity:\u003c\/strong\u003e One individual E-ring.\n\u003c\/p\u003e\n","brand":"Hayward","offers":[{"title":"Default Title","offer_id":52690274320700,"sku":"CX900J","price":18.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/Screenshot2026-11-10131751.png?v=1794341903","url":"https:\/\/aquapoolsupply.com\/products\/hayward-e-clamp-for-star-clear-filter-copy","provider":"Aqua Pool Supply","version":"1.0","type":"link"}