{"product_id":"pentairwaterpoolandspainc_98209803z","title":"Pentair High Flow Manual Air Relief Valve | 2000 Series, 4000 Series \u0026 FNS Plus Filters | 98209803Z","description":"\u003cp\u003eThe Pentair High Flow Manual Air Relief Valve (98209803Z) is the OEM replacement air relief valve assembly for Pentair 2000 Series, 4000 Series, and FNS Plus D.E. filters.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It Does\u003c\/h3\u003e\n\u003cp\u003eThe manual air relief valve allows trapped air to be purged from the filter tank before and after servicing, maintaining proper water flow and preventing air locks within the filtration system. A failed or leaking air relief valve can compromise filter performance and prevent the system from reaching operating pressure. Match the part number on your existing valve before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 20px 0; border: 1px solid #ccc;\"\u003e\n  \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003ePentair Part Number\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e98209803Z\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eAlso Known As\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e98209803\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eQuantity Included\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e1\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePro Tip\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, locate the part number stamped or molded on your existing air relief valve and confirm it matches 98209803Z. Air relief valve assemblies can vary between filter generations — verifying the number on the original part is the most reliable way to ensure correct fitment. Consult your filter's installation manual if the part number is not visible on the valve itself.\u003c\/p\u003e\n\n\u003c!-- wft:processed:manual:2026-04-04 --\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":53932868731155,"sku":"98209803Z","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0920\/0687\/5411\/files\/pentair-high-flow-manual-air-relief-valve-2000-series-4000-series-fns-plus-filters-98209803z-2.webp?v=1776294276","url":"https:\/\/poolaroo.com\/products\/pentairwaterpoolandspainc_98209803z","provider":"Poolaroo","version":"1.0","type":"link"}