{"product_id":"hayward-star-clear-plus-knob-o-ring","title":"Hayward STAR-CLEAR PLUS KNOB O-RING","description":"\u003cp data-path-to-node=\"0\"\u003e\u003cspan class=\"\"\u003eThe Hayward Star-Clear Plus Knob O-Ring is a specialized,\u003c\/span\u003e\u003cspan class=\"\"\u003e small-format sealing component designed to prevent water leakage and pressure loss at the point where the locking knob assembly interfaces with the filter head.\u003c\/span\u003e\u003cspan class=\"\"\u003e Manufactured from a durable,\u003c\/span\u003e\u003cspan class=\"\"\u003e chemical-resistant synthetic rubber,\u003c\/span\u003e\u003cspan class=\"\"\u003e this O-ring is engineered to withstand the friction of frequent tightening and loosening while remaining resilient against the harsh effects of chlorine,\u003c\/span\u003e\u003cspan class=\"\"\u003e salt,\u003c\/span\u003e\u003cspan class=\"\"\u003e and UV exposure.\u003c\/span\u003e\u003cspan class=\"\"\u003e Its primary mechanical function is to provide a secondary seal around the threaded tie rod or the knob's internal shaft,\u003c\/span\u003e\u003cspan class=\"\"\u003e ensuring that the pressurized water inside the filter tank cannot migrate upward through the fastening mechanism.\u003c\/span\u003e\u003cspan class=\"\"\u003e By maintaining this airtight barrier,\u003c\/span\u003e\u003cspan class=\"\"\u003e the O-ring helps preserve the system's hydraulic prime and prevents the gradual buildup of mineral deposits or debris within the threads of the locking assembly,\u003c\/span\u003e\u003cspan class=\"\"\u003e which could otherwise lead to seizing or mechanical failure.\u003c\/span\u003e\u003cspan\u003e For shipping and logistical purposes,\u003c\/span\u003e\u003cspan\u003e the estimated weight of the Hayward Star-Clear Plus Knob O-Ring is approximately \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"1077\"\u003e0.05 pounds\u003c\/b\u003e\u003cspan\u003e in its retail packaging,\u003c\/span\u003e\u003cspan\u003e while the actual weight of the rubber ring itself is negligible,\u003c\/span\u003e\u003cspan\u003e at roughly \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"1190\"\u003e0.02 pounds\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"source-inline-chip-container ng-star-inserted\"\u003e\u003c\/div\u003e","brand":"Commercial Pool and Spa Supplies","offers":[{"title":"Default Title","offer_id":44457960439919,"sku":null,"price":5.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/3785\/3807\/files\/Screenshot2026-02-04100245.png?v=1770217374","url":"https:\/\/commercialpoolandspasupplies.com\/products\/hayward-star-clear-plus-knob-o-ring","provider":"Commercial Pool and Spa Supplies ","version":"1.0","type":"link"}