{"product_id":"0821-20c-magic-plastics-2-slip-x-slip-check-valve-clear","title":"Magic Plastics 0821-20C Check Valve | 2\" Slip x Slip | Clear","description":"\u003cp data-start=\"366\" data-end=\"1033\"\u003eThe Magic Plastics 0821‑20C is a 2″ slip‑x‑slip swing spring check valve designed to provide reliable backflow protection in pool, spa, and irrigation systems. Featuring a solvent-weld slip connection on both ends, this valve offers a tight, leak-free installation. Its swing-spring mechanism ensures smooth one-way water flow and prevents reverse flow or siphoning during system shutdown. Made from clear, corrosion-resistant materials, it enables visual inspection of internal components and stands up to harsh pool chemicals and UV exposure. Built for durability, this check valve delivers long-term performance with minimal maintenance.\u003c\/p\u003e\n\u003ch3 data-start=\"1035\" data-end=\"1051\"\u003eHighlights\u003c\/h3\u003e\n\u003cul data-start=\"1052\" data-end=\"1821\"\u003e\n\u003cli data-start=\"1052\" data-end=\"1207\"\u003e\n\u003cp data-start=\"1054\" data-end=\"1207\"\u003e\u003cstrong data-start=\"1054\" data-end=\"1094\"\u003e2″ Slip x Slip Solvent Weld Fitting:\u003c\/strong\u003e Easy-to-install slip connections provide a secure, leak-free fit for pool, spa, and irrigation plumbing systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1208\" data-end=\"1363\"\u003e\n\u003cp data-start=\"1210\" data-end=\"1363\"\u003e\u003cstrong data-start=\"1210\" data-end=\"1247\"\u003eSwing-Spring Backflow Prevention:\u003c\/strong\u003e Internal spring mechanism allows efficient one-way flow and prevents backflow or siphoning when the system is idle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1364\" data-end=\"1533\"\u003e\n\u003cp data-start=\"1366\" data-end=\"1533\"\u003e\u003cstrong data-start=\"1366\" data-end=\"1398\"\u003eClear, Durable Construction:\u003c\/strong\u003e Transparent body enables quick inspection of valve operation and is built from chemical- and UV-resistant materials for extended life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1534\" data-end=\"1662\"\u003e\n\u003cp data-start=\"1536\" data-end=\"1662\"\u003e\u003cstrong data-start=\"1536\" data-end=\"1554\"\u003eVersatile Use:\u003c\/strong\u003e Ideal for residential and commercial systems where backflow protection and visual inspection are essential.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1663\" data-end=\"1821\"\u003e\n\u003cp data-start=\"1665\" data-end=\"1821\"\u003e\u003cstrong data-start=\"1665\" data-end=\"1697\"\u003eLow-Maintenance Performance:\u003c\/strong\u003e Built to reduce wear, the internal spring and corrosion-resistant design ensure dependable, long-term use with less upkeep.\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=\"2342\" data-end=\"2363\"\u003eAdditional Info\u003c\/h3\u003e\n\u003cp data-start=\"2364\" data-end=\"2547\"\u003eLooking to install or replace the Magic Plastics 0821‑20C check valve locally? This guide covers install tips, how it works, and how to check availability or pricing at nearby stores.\u003c\/p\u003e\n\u003ch2 data-start=\"2549\" data-end=\"2608\"\u003eFitting the 2″ Check Valve into Local Plumbing Systems\u003c\/h2\u003e\n\u003cp data-start=\"2609\" data-end=\"2738\"\u003eThe 0821‑20C features solvent-weld slip x slip connections that fit standard 2″ PVC pipe used in most pool and irrigation setups.\u003c\/p\u003e\n\u003ch4 data-start=\"2740\" data-end=\"2820\"\u003eWill the 0821‑20C valve fit my existing 2″ PVC plumbing without adapters?\u003c\/h4\u003e\n\u003ch4 data-start=\"2821\" data-end=\"2895\"\u003eCan I check local stock for this Magic Plastics slip valve near me?\u003c\/h4\u003e\n\u003ch4 data-start=\"2896\" data-end=\"2964\"\u003eShould I use PVC glue for both ends of this slip-style valve?\u003c\/h4\u003e\n\u003ch4 data-start=\"2965\" data-end=\"3041\"\u003eWhat’s the best way to orient this check valve for horizontal piping?\u003c\/h4\u003e\n\u003ch4 data-start=\"3042\" data-end=\"3111\"\u003eAre local pool shops carrying this swing valve for quick pickup?\u003c\/h4\u003e\n\u003ch2 data-start=\"3113\" data-end=\"3168\"\u003eUnderstanding Flow Control and Backflow Prevention\u003c\/h2\u003e\n\u003cp data-start=\"3169\" data-end=\"3300\"\u003eThis check valve uses a spring-loaded flap that closes automatically when water stops flowing, helping avoid reverse siphon damage.\u003c\/p\u003e\n\u003ch4 data-start=\"3302\" data-end=\"3382\"\u003eHow does the Magic Plastics 0821‑20C protect against irrigation backflow?\u003c\/h4\u003e\n\u003ch4 data-start=\"3383\" data-end=\"3457\"\u003eCan this clear valve help prevent spa water from draining backward?\u003c\/h4\u003e\n\u003ch4 data-start=\"3458\" data-end=\"3518\"\u003eWhat type of spring mechanism is inside the 0821‑20C?\u003c\/h4\u003e\n\u003ch4 data-start=\"3519\" data-end=\"3587\"\u003eAre local prices better on spring check valves like this one?\u003c\/h4\u003e\n\u003ch4 data-start=\"3588\" data-end=\"3660\"\u003eDo nearby suppliers carry valves that prevent siphoning at shutoff?\u003c\/h4\u003e\n\u003ch2 data-start=\"3662\" data-end=\"3702\"\u003eKeeping the Valve Working Long-Term\u003c\/h2\u003e\n\u003cp data-start=\"3703\" data-end=\"3837\"\u003eThe see-through housing allows quick inspection of the flap and spring without disconnecting anything, which helps reduce maintenance.\u003c\/p\u003e\n\u003ch4 data-start=\"3839\" data-end=\"3912\"\u003eIs it easy to see calcium buildup inside the clear 0821‑20C valve?\u003c\/h4\u003e\n\u003ch4 data-start=\"3913\" data-end=\"3991\"\u003eDo local pool stores carry replacements for this model in case of wear?\u003c\/h4\u003e\n\u003ch4 data-start=\"3992\" data-end=\"4060\"\u003eHow often should I inspect this valve for debris or blockage?\u003c\/h4\u003e\n\u003ch4 data-start=\"4061\" data-end=\"4141\"\u003eCan I get service tips on maintaining this valve from a local technician?\u003c\/h4\u003e\n\u003ch4 data-start=\"4142\" data-end=\"4220\"\u003eIs the Magic Plastics 0821‑20C valve built to last in outdoor conditions?\u003c\/h4\u003e","brand":"Magic Plastics","offers":[{"title":"Default Title","offer_id":54213612437795,"sku":"0821-20C.","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0914\/0987\/5235\/files\/MagicPlastics0821-20CCheckValve2SlipxSlipClearWholesalePoolMart_37039e7b-42d2-4f0d-a8c5-4cf2a85fb6d7.jpg?v=1755291271","url":"https:\/\/wholesalepoolmart.com\/products\/0821-20c-magic-plastics-2-slip-x-slip-check-valve-clear","provider":"Wholesale Pool Mart","version":"1.0","type":"link"}