{"product_id":"drain-and-vent-valve-o-ring-pentair-r172221-fits-r172221-drain-and-vent-valve","title":"Drain and Vent Valve O-Ring | Pentair | R172221 | (Fits R172221 Drain and Vent Valve)","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003ePentair Drain \u0026amp; Vent Valve O-Ring\u003c\/strong\u003e (R172221) ensures a reliable seal while connecting and routing water through your pool system during repairs or upgrades. This precisely sized \u003cem\u003eO-ring\u003c\/em\u003e is designed to fit the R172221 drain and vent valve assembly, helping prevent leaks and maintain steady water flow when you reseal plumbing or swap components.\u003c\/p\u003e \u003cp\u003eWhy it matters: a snug valve seal reduces air intrusion, minimizes backflow risk, and supports consistent filtration and circulation. Built from durable elastomer suitable for typical pool environments, this replacement seal is easy to clamp into place with standard hand tools during routine maintenance. Use it with your Pentair drain \u0026amp; vent valve or compatible fittings to extend the life of your pool plumbing.\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePrecisely sized for R172221 valve assemblies\u003c\/li\u003e \u003cli\u003eProvides a reliable, leak-resistant gasket for water routing\u003c\/li\u003e \u003cli\u003eSupports consistent water flow during repairs or upgrades\u003c\/li\u003e \u003cli\u003eEasy installation with common hand tools\u003c\/li\u003e \u003cli\u003eCompatible with standard pool piping and Pentair components\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eReady for your next repair? \u003cstrong\u003eAdd to cart\u003c\/strong\u003e to ensure a secure, leak-free seal on your pool’s drain and vent system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48475788771571,"sku":"PENR172221Z","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7101\/1571\/files\/PENR172221Z_0.jpg?v=1771479478","url":"https:\/\/everklearpoolsupply.com\/products\/drain-and-vent-valve-o-ring-pentair-r172221-fits-r172221-drain-and-vent-valve","provider":"Ever-Klear Pool Supply","version":"1.0","type":"link"}