{"product_id":"pentair-u9-371-o-ring","title":"Pentair U9-371 O-Ring","description":"\u003cp\u003e\u003cstrong\u003eWhat This Part Is Used For\u003c\/strong\u003e\u003cbr\u003e The Pentair U9-371 O-Ring is used in various Pentair equipment assemblies to maintain a sealed connection under pressure. It prevents air intrusion and water leakage. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy This Part Matters\u003c\/strong\u003e\u003cbr\u003e Even a small O-ring failure can cause suction leaks or visible drips. Replacing worn seals restores proper system pressure and smooth operation. Proper sealing reduces strain on pumps and filters. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features and Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number: U9-371\u003c\/li\u003e\n\u003cli\u003eReplacement O-ring for Pentair equipment\u003c\/li\u003e\n\u003cli\u003eMaintains watertight and airtight seal\u003c\/li\u003e\n\u003cli\u003eUsed in pressure-side applications\u003c\/li\u003e\n\u003cli\u003eOEM replacement component\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstallation and Fitment Guidance\u003c\/strong\u003e\u003cbr\u003e Lightly lubricate before installation and inspect groove for damage. Avoid twisting during placement. Confirm by manufacturer part number before ordering. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout the Pentair Brand\u003c\/strong\u003e\u003cbr\u003e Pentair produces a wide range of pumps, filters, and heaters. Their equipment depends on reliable sealing components. OEM O-rings ensure proper compression and longevity. Professionals trust Pentair replacement parts for consistent results. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon Service Context\u003c\/strong\u003e\u003cbr\u003e Commonly replaced during pump rebuilds or filter servicing. Also addressed when chasing small suction-side air leaks. \u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52078626930962,"sku":"U9-371","price":3.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/PENU9371_0.jpg?v=1772563394","url":"https:\/\/www.aquaterrabackyard.com\/products\/pentair-u9-371-o-ring","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}