{"product_id":"magicplastics2corrosionresistantcheckvalve080120h2mpl080120h2","title":"Magic Plastics 2\" Corrosion Resistant Check Valve | 0801-20H2","description":"\u003cdiv\u003e\n\u003ch2\u003eMagic Plastics 0801-20H2 – CR2 Corrosion-Resistant Check Valve (2″)\u003c\/h2\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Magic Plastics 0801-20H2 is the CR2 series corrosion-resistant check valve designed for pool\/spa systems. It offers full-flow performance and durability in aggressive chemical and chlorinator environments, protecting downstream equipment while maintaining circulation.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2″ IPS (2″ slip \/ 2½″ spigot) dual-sized connection for versatile installation.\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant construction: glass-filled Noryl shaft and 100% silicone gasket for long life in harsh water conditions.\u003c\/li\u003e\n\u003cli\u003eHastelloy spring mechanism allows the valve to be installed in any orientation.\u003c\/li\u003e\n\u003cli\u003eClear sight-glass lid for visual inspection of gate movement and internal flow.\u003c\/li\u003e\n\u003cli\u003eFull-flow design minimizes pressure drop and cavitation in the closed position.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: 0801-20H2\u003c\/li\u003e\n\u003cli\u003eValve Type: CR2 corrosion-resistant spring-loaded check valve\u003c\/li\u003e\n\u003cli\u003eConnection Sizes: 2″ slip (primary) with 2½″ spigot option—reducers available for 1½″\u003c\/li\u003e\n\u003cli\u003eInstallation Orientation: Any (horizontal, vertical) thanks to spring-loaded gate\u003c\/li\u003e\n\u003cli\u003eApplication: Pool\/spa circulation systems, chlorinator protection, corrosive plumbing environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp\u003eThis check valve is ideal when you need to prevent back-flow in a pool or spa plumbing circuit—especially where inline chlorinators or salt systems are present. The corrosion-resistant materials make it suitable for harsh water or chemical conditions. Verify that your pipe size is 2″ or use the proper reducer for smaller lines.\u003c\/p\u003e\n\u003ch3\u003eInstallation Instructions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShut off pump and relieve pressure from the line.\u003c\/li\u003e\n\u003cli\u003eConfirm flow direction arrow on valve aligns with actual water flow.\u003c\/li\u003e\n\u003cli\u003eGlue the 2″ slip or spigot end into existing plumbing or use adapter\/reducer as needed for smaller sizes.\u003c\/li\u003e\n\u003cli\u003eSecure in place, restore circulation and inspect for correct gate seating via lid sight-glass.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTroubleshooting\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve allows reverse flow:\u003c\/strong\u003e Check for debris or worn gasket, confirm spring gate is intact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh pressure drop or cavitation:\u003c\/strong\u003e Make sure full-flow path isn’t restricted, inspect for scale or buildup inside valve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGate wont close fully:\u003c\/strong\u003e Verify valve orientation, ensure correct installation and that spring is functional.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaintenance Tip\u003c\/h3\u003e\n\u003cp\u003eInspect the valve annually for signs of chemical attack, check sight-glass for gate motion and clean any buildup. Replace if the silicone gasket hardens or the spring loses tension. Using a high-quality check valve like the 0801-20H2 helps extend the life of your downstream pool or spa equipment by preventing harmful back-flow.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"MagicPlastics","offers":[{"title":"Default Title","offer_id":46797815087279,"sku":"0801-20H2","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/magic-plastics-2-corrosion-resistant-check-valve-0801-20h2-plumbing-valves-2092943.jpg?v=1777067682","url":"https:\/\/freshized.com\/products\/magicplastics2corrosionresistantcheckvalve080120h2mpl080120h2","provider":"Freshized","version":"1.0","type":"link"}