{"product_id":"haywardstarclearlockingknobcx250ghppcx250g","title":"Hayward Star-Clear Locking Knob | CX250G","description":"\u003cdiv class=\"product-description\"\u003e\n\n  \u003ch2\u003eHayward CX250G Star-Clear™ Filter Locking Knob (Replacement)\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Hayward \u003cstrong\u003eCX250G\u003c\/strong\u003e is a genuine OEM \u003cstrong\u003elocking knob\u003c\/strong\u003e used on Hayward \u003cstrong\u003eStar-Clear cartridge filters\u003c\/strong\u003e.\n    This knob secures the filter head to the filter body, helping maintain a tight seal for proper filtration. Replace it if the original knob\n    is cracked, stripped, missing, or no longer tightens smoothly.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eFits \/ Compatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHayward \u003cstrong\u003eStar-Clear\u003c\/strong\u003e cartridge filter models: \u003cstrong\u003eC250\u003c\/strong\u003e, \u003cstrong\u003eC500\u003c\/strong\u003e, \u003cstrong\u003eC750\u003c\/strong\u003e, \u003cstrong\u003eC100\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat It Fixes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eFilter lid\/head won’t tighten or stay secured\u003c\/li\u003e\n    \u003cli\u003eCracked, sun-brittle, or stripped locking knob\u003c\/li\u003e\n    \u003cli\u003eSeepage at the head\/body area caused by an improperly secured head (after confirming O-rings are in good condition)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eKey Details\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePart Number: \u003cstrong\u003eCX250G\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePart Type: \u003cstrong\u003eFilter Parts\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGTIN\/UPC: \u003cstrong\u003e610377004558\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eReplacement Part Warranty (typical): \u003cstrong\u003e6 months (parts only)\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eTurn off the pump and relieve pressure before opening the filter.\u003c\/li\u003e\n    \u003cli\u003eInstall the new locking knob and tighten per the filter’s instructions—do not overtighten.\u003c\/li\u003e\n    \u003cli\u003eIf you still have leaks after replacement, inspect the filter head O-ring\/sealing surfaces and replace worn seals as needed.\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\/search?q=CX250G\"\u003eHayward CX250G Locking Knob (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Hayward%20Star-Clear%20parts\"\u003eHayward Star-Clear Filter Parts (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=C250%20parts\"\u003eHayward C250 Filter Parts (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=C500%20parts\"\u003eHayward C500 Filter Parts (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=filter%20lid%20o-ring%20hayward%20star%20clear\"\u003eStar-Clear Lid\/Head O-Rings (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=silicone%20pool%20lube\"\u003eSilicone O-Ring \u0026amp; Gasket Lubricant (search)\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eKeep the filter head O-ring clean and lightly lubricated with silicone-based lube to improve sealing and reduce binding.\u003c\/li\u003e\n    \u003cli\u003eDo not use tools to over-tighten plastic knobs—snug and evenly seated is best.\u003c\/li\u003e\n    \u003cli\u003eIf the knob becomes hard to turn, clean debris from threads\/seating surfaces before forcing it.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":46797878329519,"sku":"CX250G","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/hayward-star-clear-locking-knob-cx250g-pool-filter-parts-8760798.jpg?v=1777068623","url":"https:\/\/freshized.com\/products\/haywardstarclearlockingknobcx250ghppcx250g","provider":"Freshized","version":"1.0","type":"link"}