{"product_id":"pentair-357255z-o-ring-2-357-buna-n-70","title":"Pentair 357255Z O-Ring - 2-357, Buna N 70","description":"\u003cp\u003e\u003cstrong\u003eWhat This Part Is Used For\u003c\/strong\u003e\u003cbr\u003e The Pentair 357255Z O-Ring is used in equipment assemblies requiring a #2-357 seal made from Buna N 70 material. It helps maintain a watertight and airtight connection under operating pressure. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy This Part Matters\u003c\/strong\u003e\u003cbr\u003e A compromised O-ring can introduce air into the system or allow water to leak out. That affects filtration performance and pump efficiency. Replacing it restores proper sealing and stable system pressure. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features and Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number: 357255Z\u003c\/li\u003e\n\u003cli\u003eO-ring size: #2-357\u003c\/li\u003e\n\u003cli\u003eMaterial: Buna N 70\u003c\/li\u003e\n\u003cli\u003eUsed in Pentair equipment applications\u003c\/li\u003e\n\u003cli\u003eReplacement sealing component\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstallation and Fitment Guidance\u003c\/strong\u003e\u003cbr\u003e Inspect the sealing surface for wear before installation and lubricate lightly. Avoid stretching excessively 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 pumps, filters, heaters, and automation systems used worldwide. Their equipment depends on precision sealing components. OEM O-rings ensure correct compression and durability. Professionals rely on Pentair parts for reliable repairs. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon Service Context\u003c\/strong\u003e\u003cbr\u003e Frequently replaced during pump rebuilds or filter service when addressing suction leaks or pressure drops. \u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52078626996498,"sku":"357255Z","price":5.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/PEN357255Z_0.jpg?v=1772563398","url":"https:\/\/www.aquaterrabackyard.com\/products\/pentair-357255z-o-ring-2-357-buna-n-70","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}