{"product_id":"0821-20c-magic-plastics-2-slip-x-slip-check-valve-clear","title":"0821-20C | Magic Plastics 2\" Slip x Slip Check Valve | Clear","description":"\u003cp\u003eThe \u003cstrong data-start=\"35\" data-end=\"62\"\u003eMagic Plastics 0821‑20C\u003c\/strong\u003e is a 2″ slip‑x‑slip swing spring check valve made from clear, corrosion-resistant material—perfect for pool, spa, and irrigation applications. Its swing-spring mechanism ensures smooth one-way flow while preventing backflow or siphoning when the system shuts down. With solvent-weld slip connections on both ends, installation is easy and leak-free. The transparent body allows visual inspection of the valve seat to confirm proper operation. Built to resist pool chemicals and UV exposure, this clear check valve offers reliable performance and reduces maintenance over time.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHighlights\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"16\" data-end=\"182\"\u003e\n\u003cp data-start=\"18\" data-end=\"182\"\u003e\u003cstrong data-start=\"18\" data-end=\"57\"\u003e2″ Slip-x-Slip Solvent Weld Design:\u003c\/strong\u003e Features slip connections on both ends for easy, leak-free solvent-weld installation in pool, spa, or irrigation plumbing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"183\" data-end=\"346\"\u003e\n\u003cp data-start=\"185\" data-end=\"346\"\u003e\u003cstrong data-start=\"185\" data-end=\"229\"\u003eSwing-Spring Mechanism for One-Way Flow:\u003c\/strong\u003e Prevents backflow and siphoning by ensuring smooth directional flow when the system is in operation or shuts down.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"347\" data-end=\"529\"\u003e\n\u003cp data-start=\"349\" data-end=\"529\"\u003e\u003cstrong data-start=\"349\" data-end=\"385\"\u003eClear, Corrosion-Resistant Body:\u003c\/strong\u003e Transparent construction allows easy visual inspection of internal components and is built to withstand harsh pool chemicals and UV exposure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"530\" data-end=\"686\"\u003e\n\u003cp data-start=\"532\" data-end=\"686\"\u003e\u003cstrong data-start=\"532\" data-end=\"582\"\u003eIdeal for Pools, Spas, and Irrigation Systems:\u003c\/strong\u003e Designed for versatile use in residential and commercial water systems requiring backflow protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"687\" data-end=\"859\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"689\" data-end=\"859\" data-is-last-node=\"\"\u003e\u003cstrong data-start=\"689\" data-end=\"724\"\u003eLow-Maintenance \u0026amp; Long-Lasting:\u003c\/strong\u003e Durable materials and internal spring action reduce wear and maintenance needs over time, delivering consistent, reliable performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e(1) \u003c\/strong\u003eCheck Valve\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"391\" data-end=\"412\"\u003eAdditional Info\u003c\/h3\u003e\n\u003cp data-start=\"413\" data-end=\"650\"\u003eNeed help installing the Magic Plastics 2″ slip swing spring check valve, model 0821‑20C? This section answers real-world questions about compatibility, proper orientation, and in-store pickup options for pool, spa, or irrigation setups.\u003c\/p\u003e\n\u003ch2 data-start=\"652\" data-end=\"705\"\u003eInstallation Help for 0821‑20C Slip x Slip Valve\u003c\/h2\u003e\n\u003cp data-start=\"706\" data-end=\"860\"\u003eThis valve installs using standard 2″ solvent weld connections. It's important to position it correctly for proper flow direction and leak-free operation.\u003c\/p\u003e\n\u003ch4 data-start=\"862\" data-end=\"939\"\u003eDoes the clear Magic Plastics 0821‑20C valve work with my 2″ plumbing?\u003c\/h4\u003e\n\u003ch4 data-start=\"940\" data-end=\"1021\"\u003eWhich way should the arrow point when installing the 0821‑20C check valve?\u003c\/h4\u003e\n\u003ch4 data-start=\"1022\" data-end=\"1095\"\u003eCan I buy the 0821‑20C check valve in-store and install it myself?\u003c\/h4\u003e\n\u003ch4 data-start=\"1096\" data-end=\"1166\"\u003eDo I need primer and glue for this slip-style valve connection?\u003c\/h4\u003e\n\u003ch4 data-start=\"1167\" data-end=\"1243\"\u003eIs the 0821‑20C swing check valve sold at Discount Pool Mart locations?\u003c\/h4\u003e\n\u003ch2 data-start=\"1245\" data-end=\"1283\"\u003ePreventing Backflow and Siphoning\u003c\/h2\u003e\n\u003cp data-start=\"1284\" data-end=\"1409\"\u003eThe swing spring inside the 0821‑20C ensures water only moves one way, helping to stop reverse flow when your pump shuts off.\u003c\/p\u003e\n\u003ch4 data-start=\"1411\" data-end=\"1482\"\u003eHow does the internal spring help prevent backflow in my system?\u003c\/h4\u003e\n\u003ch4 data-start=\"1483\" data-end=\"1550\"\u003eWill this valve keep water from draining out of my spa line?\u003c\/h4\u003e\n\u003ch4 data-start=\"1551\" data-end=\"1637\"\u003eCan I walk in and get a check valve that stops siphoning from raised equipment?\u003c\/h4\u003e\n\u003ch4 data-start=\"1638\" data-end=\"1722\"\u003eIs the Magic Plastics swing valve suitable for both suction and return lines?\u003c\/h4\u003e\n\u003ch4 data-start=\"1723\" data-end=\"1805\"\u003eShould I install this valve vertically or horizontally to prevent drain-down?\u003c\/h4\u003e\n\u003ch2 data-start=\"1807\" data-end=\"1850\"\u003eVisual Inspection and Maintenance Tips\u003c\/h2\u003e\n\u003cp data-start=\"1851\" data-end=\"1951\"\u003eThe clear body helps you spot debris, buildup, or improper closure before it becomes a bigger issue.\u003c\/p\u003e\n\u003ch4 data-start=\"1953\" data-end=\"2029\"\u003eCan I visually check if the 0821‑20C check valve is closing properly?\u003c\/h4\u003e\n\u003ch4 data-start=\"2030\" data-end=\"2106\"\u003eHow do I know if debris is blocking the spring flap inside the valve?\u003c\/h4\u003e\n\u003ch4 data-start=\"2107\" data-end=\"2179\"\u003eIs this check valve easy to clean without removing from the line?\u003c\/h4\u003e\n\u003ch4 data-start=\"2180\" data-end=\"2254\"\u003eDo Discount Pool Mart stores stock valve cleaning brushes or tools?\u003c\/h4\u003e\n\u003ch4 data-start=\"2255\" data-end=\"2335\"\u003eWill chemical wear reduce visibility through the clear check valve housing?\u003c\/h4\u003e","brand":"Magic Plastics","offers":[{"title":"Default Title","offer_id":50548281082144,"sku":"0821-20C.","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/3326\/9536\/files\/0821-20CMagicPlastics2SlipxSlipCheckValveClearDiscountPoolMart_3_425497f3-1423-4e87-8398-e87f7ad28c3d.jpg?v=1755291262","url":"https:\/\/discountpoolmart.com\/products\/0821-20c-magic-plastics-2-slip-x-slip-check-valve-clear","provider":"Discount Pool Mart","version":"1.0","type":"link"}