{"product_id":"pentairchlorinatorstrainerscreen210396zpen210396z","title":"Pentair Chlorinator Strainer Screen | 210396Z","description":"\u003cdiv\u003e\n  \u003ch2\u003ePentair 210396Z Inline Chlorinator Check Valve Screen (Strainer Screen) for Rainbow 320 \/ 320C \/ 322\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Pentair \u003cstrong\u003e210396Z\u003c\/strong\u003e is an OEM internal strainer screen used in select Pentair Rainbow inline\/offline chlorinators.\n    It sits at the check valve area to help catch debris before it can clog or block the check valve at the bottom of the chlorinator,\n    supporting consistent chlorine feed and smoother operation.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCommon Compatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePentair Rainbow automatic chlorinators: \u003cstrong\u003e320\u003c\/strong\u003e, \u003cstrong\u003e320C\u003c\/strong\u003e, \u003cstrong\u003e322\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eUsed as the internal screen at\/near the chlorinator check valve area\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eReplaces \/ Cross References\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eOften referenced as replacing older part numbers such as \u003cstrong\u003e210396\u003c\/strong\u003e and \u003cstrong\u003eR172255\u003c\/strong\u003e (depending on listing and revision)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat This Part Does\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHelps prevent debris from reaching the chlorinator check valve\u003c\/li\u003e\n    \u003cli\u003eReduces the chance of restricted flow through the feeder\u003c\/li\u003e\n    \u003cli\u003eHelps maintain more consistent chlorine delivery when the feeder is operating normally\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eScreen is torn, cracked, or deformed\u003c\/li\u003e\n    \u003cli\u003eRepeated clogging that does not clean up well\u003c\/li\u003e\n    \u003cli\u003eFeeder flow issues traced to blockage at the check valve area\u003c\/li\u003e\n    \u003cli\u003eDuring a chlorinator rebuild\/refresh service\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eTurn off the pump and relieve pressure before opening the chlorinator.\u003c\/li\u003e\n    \u003cli\u003eRemove the old screen and clean out any debris or scale in the check valve area.\u003c\/li\u003e\n    \u003cli\u003eReinstall the new screen in the same orientation as the original.\u003c\/li\u003e\n    \u003cli\u003eAfter reassembly, restart the system and confirm normal feeder operation (no leaks, normal flow\/pressure).\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRelated Products (Aqua Pool Supply)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Pentair%20320%20chlorinator%20parts\"\u003ePentair Rainbow 320\/320C Parts (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Pentair%20322%20chlorinator%20parts\"\u003ePentair Rainbow 322 Parts (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Pentair%20chlorinator%20check%20valve\"\u003eChlorinator Check Valve Parts (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=chlorinator%20o-ring%20gasket\"\u003eChlorinator O-Rings \u0026amp; Gaskets (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=pool%20silicone%20lubricant\"\u003ePool-Safe Silicone Lubricant (Search)\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eInspect and rinse the screen during routine feeder service to reduce buildup and clogging.\u003c\/li\u003e\n    \u003cli\u003eKeep tablets and feeder components dry when not in use, and clear out small debris before reloading.\u003c\/li\u003e\n    \u003cli\u003eIf chlorine feed becomes inconsistent, check for restrictions at the screen\/check valve area and clean as needed.\u003c\/li\u003e\n    \u003cli\u003eReplace worn feeder O-rings during service to prevent air leaks and seepage around the lid and fittings.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":46797892649135,"sku":"210396Z","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/pentair-chlorinator-strainer-screen-210396z-chlorinator-parts-2793694.jpg?v=1777068887","url":"https:\/\/freshized.com\/products\/pentairchlorinatorstrainerscreen210396zpen210396z","provider":"Freshized","version":"1.0","type":"link"}