{"product_id":"pentairfilterdrainventvalveblackr172224xpenr172224xz","title":"Pentair Filter Drain\/Vent Valve, Black | R172224X","description":"\u003cdiv\u003e\n  \u003ch2\u003ePentair Rainbow Drain \u0026amp; Vent Valve (Black) \/ Air Relief Plug | R172224X\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Pentair Rainbow R172224X is a black drain and vent valve (also commonly called an air relief plug) used on select\n    Pentair\/Rainbow cartridge filters and chemical feeders. It provides a convenient point to vent air and\/or drain water\n    during service, helping with filter maintenance, winterization, and safe pressure relief when used as designed for the\n    equipment.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDrain \u0026amp; vent valve \/ air relief plug\u003c\/strong\u003e used for servicing and draining compatible filters and feeders.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHelps with maintenance\u003c\/strong\u003e by allowing controlled air bleed and water drainage (as applicable to the unit).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDirect replacement\u003c\/strong\u003e for a cracked, leaking, or missing drain\/vent plug.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBlack valve body\u003c\/strong\u003e commonly shown on Pentair\/Rainbow parts diagrams for Dynamic and HC equipment.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePentair\/Rainbow Dynamic Series cartridge filters:\u003c\/strong\u003e Series I (RDC), Series II \u0026amp; III (RTL\/RCF)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePentair\/Rainbow High Capacity chemical feeders:\u003c\/strong\u003e HC-3315, HC-3330, HC-3340\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSta-Rite Predator II\u003c\/strong\u003e mini-cellular media filters (where specified)\u003c\/li\u003e\n    \u003cli\u003eAlso fits other assemblies that specifically call for \u003cstrong\u003eR172224X\u003c\/strong\u003e on the parts list\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Pentair \/ Rainbow\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e R172224X\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Drain \u0026amp; vent valve \/ air relief plug\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApprox. Dimensions:\u003c\/strong\u003e 0.94\" L x 0.85\" W x 0.85\" D\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCommon Alternate\/Cross References:\u003c\/strong\u003e 4690-02, 172224X, R172224XZ (packaging\/revision varies by supplier)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eImportant Note on Seals\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n      Some applications use an O-ring\/seal for this valve. If your valve is dripping after replacement or the old O-ring is flattened,\n      replace the matching O-ring\/seal specified on your equipment’s diagram.\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Reasons to Replace\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eWater seeping or dripping at the drain\/vent point\u003c\/li\u003e\n    \u003cli\u003eCracked valve body from age, chemical exposure, or freeze damage\u003c\/li\u003e\n    \u003cli\u003eValve no longer vents\/drains properly due to wear or damaged sealing surfaces\u003c\/li\u003e\n    \u003cli\u003eMissing plug\/valve after service\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eShut off the pump and relieve pressure before servicing any filter or feeder component.\u003c\/li\u003e\n    \u003cli\u003eRemove the old valve and clean the sealing surface\/threads on the housing.\u003c\/li\u003e\n    \u003cli\u003eInstall the replacement valve snugly—avoid over-tightening, which can damage plastic housings.\u003c\/li\u003e\n    \u003cli\u003eRestart the system and inspect for leaks under normal operating pressure.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRelated Products\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=R172224X\"\u003eSearch Aqua Pool Supply for R172224X\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=HC-3315\"\u003ePentair Rainbow HC-3315 parts\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=HC-3330\"\u003ePentair Rainbow HC-3330 parts\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=HC-3340\"\u003ePentair Rainbow HC-3340 parts\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=Pentair%20Dynamic%20RDC\"\u003ePentair\/Rainbow Dynamic RDC filter parts\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=Pentair%20Dynamic%20RTL\"\u003ePentair\/Rainbow Dynamic RTL\/RCF filter parts\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eOpen\/close drain and vent components gently—forcing them can crack housings and strip threads.\u003c\/li\u003e\n    \u003cli\u003eWhen winterizing, fully drain equipment to reduce freeze damage risk to valves and filter bodies.\u003c\/li\u003e\n    \u003cli\u003eIf you see persistent seepage, inspect the sealing surface and replace the correct O-ring\/seal specified for your model.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52589954957628,"sku":"R172224XZ","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-filter-drainvent-valve-black-r172224x-miscellaneous-4858022.jpg?v=1770941191","url":"https:\/\/aquapoolsupply.com\/products\/pentairfilterdrainventvalveblackr172224xpenr172224xz","provider":"Aqua Pool Supply","version":"1.0","type":"link"}