{"product_id":"hayward-cx900h-star-clear-plus-knob-o-ring","title":"Hayward CX900H Star-Clear Plus Knob O-Ring","description":"\u003cp\u003e\u003cstrong\u003eWhat This Part Is Used For\u003c\/strong\u003e\u003cbr\u003e The Hayward CX900H Star-Clear Plus Knob O-Ring provides a sealing surface for compatible locking knob assemblies. It helps maintain a watertight connection at the filter head. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy This Part Matters\u003c\/strong\u003e\u003cbr\u003e A worn knob O-ring can allow minor leaks around hardware points. Replacing it restores proper sealing and clamping pressure. This supports consistent filter performance. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features and Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number CX900H\u003c\/li\u003e\n\u003cli\u003eStar-Clear Plus knob O-ring\u003c\/li\u003e\n\u003cli\u003eFor compatible Hayward Star-Clear Plus systems\u003c\/li\u003e\n\u003cli\u003eSeal for locking knob assembly\u003c\/li\u003e\n\u003cli\u003eService replacement seal\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstallation and Fitment Guidance\u003c\/strong\u003e\u003cbr\u003e Turn off the pump and relieve pressure before disassembly. Inspect for wear and lubricate lightly before installation. Confirm by manufacturer part number before ordering. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout the Hayward Brand\u003c\/strong\u003e\u003cbr\u003e Hayward cartridge filters are widely used in residential pool systems. Their replacement seals and small hardware parts are supported for routine service. Genuine Hayward components help maintain proper system sealing. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon Service Context\u003c\/strong\u003e\u003cbr\u003e Often replaced during filter maintenance. Common when minor drips appear near knob assemblies. \u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":52050073256210,"sku":"CX900H","price":3.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/HPPCX900H_0.jpg?v=1771891013","url":"https:\/\/www.aquaterrabackyard.com\/products\/hayward-cx900h-star-clear-plus-knob-o-ring","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}