{"product_id":"0821-15c-magic-plastics-1-5-slip-x-slip-check-valve-clear","title":"0821-15C | Magic Plastics 1.5\" Slip x Slip Check Valve | Clear","description":"\u003cp\u003eThe \u003cstrong data-end=\"104\" data-start=\"35\"\u003eMagic Plastics 0821‑15C 1.5″ Slip‑x‑Slip Smart Spring Check Valve\u003c\/strong\u003e is a high-quality solution designed to prevent backflow and preserve hydraulic integrity in pool, spa, and irrigation plumbing systems. Featuring solvent-weld slip connections on both ends for secure and leak-free installation, this clear-body check valve allows easy visual inspection of internal spring action and seat condition. Its smart spring mechanism ensures reliable one-way flow without water hammer, while the corrosion-resistant, UV-stable construction maintains durability in harsh aquatic environments. Designed for intuitive maintenance and long-lasting performance, the 0821‑15C clear swing-spring valve is ideal for professionals and DIYers alike.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHighlights\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"177\" data-start=\"16\"\u003e\n\u003cp data-end=\"177\" data-start=\"18\"\u003e\u003cstrong data-end=\"59\" data-start=\"18\"\u003e1.5″ Slip‑x‑Slip Solvent Weld Design:\u003c\/strong\u003e Features slip connections on both ends for easy, secure installation in pool, spa, and irrigation plumbing systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"336\" data-start=\"178\"\u003e\n\u003cp data-end=\"336\" data-start=\"180\"\u003e\u003cstrong data-end=\"219\" data-start=\"180\"\u003eSmart Spring Check Valve Mechanism:\u003c\/strong\u003e Provides smooth, one-way flow control while preventing backflow and eliminating water hammer for system stability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"490\" data-start=\"337\"\u003e\n\u003cp data-end=\"490\" data-start=\"339\"\u003e\u003cstrong data-end=\"370\" data-start=\"339\"\u003eClear, Inspectable Housing:\u003c\/strong\u003e Transparent body allows visual monitoring of spring and valve seat function, simplifying diagnostics and maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"662\" data-start=\"491\"\u003e\n\u003cp data-end=\"662\" data-start=\"493\"\u003e\u003cstrong data-end=\"536\" data-start=\"493\"\u003eDurable \u0026amp; Chemical-Resistant Materials:\u003c\/strong\u003e Built from UV-stable, corrosion-resistant components to ensure reliable operation in chlorinated or saltwater environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-is-last-node=\"\" data-end=\"812\" data-start=\"663\"\u003e\n\u003cp data-is-last-node=\"\" data-end=\"812\" data-start=\"665\"\u003e\u003cstrong data-end=\"698\" data-start=\"665\"\u003eReliable for Pros and DIYers:\u003c\/strong\u003e Combines long-lasting performance with easy installation, making it ideal for routine system upgrades or repairs.\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=\"0\" data-end=\"21\"\u003eAdditional Info\u003c\/h3\u003e\n\u003cp data-start=\"22\" data-end=\"280\"\u003eNeed help installing or troubleshooting the Magic Plastics 0821‑15C 1.5″ clear spring check valve? This section provides guidance on proper installation, compatibility, backflow prevention, and where to find this model in-store for quick pool or spa repairs.\u003c\/p\u003e\n\u003ch2 data-start=\"282\" data-end=\"334\"\u003eInstalling the 0821‑15C Slip x Slip Check Valve\u003c\/h2\u003e\n\u003cp data-start=\"335\" data-end=\"577\"\u003eThis valve uses 1.5″ solvent-weld slip connections on both ends, allowing for secure glue-in installation in standard pool and irrigation lines. The transparent design also helps during initial setup to confirm orientation and valve movement.\u003c\/p\u003e\n\u003ch4 data-start=\"579\" data-end=\"646\"\u003eHow do I install the Magic Plastics 0821‑15C using PVC glue?\u003c\/h4\u003e\n\u003ch4 data-start=\"647\" data-end=\"726\"\u003eCan I buy this slip x slip check valve at a Discount Pool Mart location?\u003c\/h4\u003e\n\u003ch4 data-start=\"727\" data-end=\"802\"\u003eDoes the flow arrow on the valve show which direction to glue it in?\u003c\/h4\u003e\n\u003ch4 data-start=\"803\" data-end=\"864\"\u003eCan I use this valve on both suction and return lines?\u003c\/h4\u003e\n\u003ch4 data-start=\"865\" data-end=\"924\"\u003eWhat tools do I need to install the 0821‑15C properly?\u003c\/h4\u003e\n\u003ch2 data-start=\"926\" data-end=\"979\"\u003ePreventing Backflow and Eliminating Water Hammer\u003c\/h2\u003e\n\u003cp data-start=\"980\" data-end=\"1159\"\u003eThe smart spring-loaded mechanism closes the valve quickly when the system shuts down, preventing reverse siphon and reducing water hammer—a common cause of pipe stress and noise.\u003c\/p\u003e\n\u003ch4 data-start=\"1161\" data-end=\"1229\"\u003eWill this check valve stop backflow from raised spa plumbing?\u003c\/h4\u003e\n\u003ch4 data-start=\"1230\" data-end=\"1313\"\u003eCan I walk in and purchase a valve that prevents water hammer in pool lines?\u003c\/h4\u003e\n\u003ch4 data-start=\"1314\" data-end=\"1379\"\u003eHow does the smart spring system help protect my plumbing?\u003c\/h4\u003e\n\u003ch4 data-start=\"1380\" data-end=\"1446\"\u003eDoes this valve reduce pressure spikes from pump shutdowns?\u003c\/h4\u003e\n\u003ch4 data-start=\"1447\" data-end=\"1527\"\u003eIs the 0821‑15C better than a flap-style valve for water hammer prevention?\u003c\/h4\u003e\n\u003ch2 data-start=\"1529\" data-end=\"1572\"\u003eDurability and Easy Visual Inspections\u003c\/h2\u003e\n\u003cp data-start=\"1573\" data-end=\"1789\"\u003eThe clear housing makes it easy to confirm whether the spring is working and if debris is affecting closure. Built from UV- and chemical-resistant material, it’s a long-lasting solution for chlorine and salt systems.\u003c\/p\u003e\n\u003ch4 data-start=\"1791\" data-end=\"1864\"\u003eCan I visually inspect the spring and seat through the valve body?\u003c\/h4\u003e\n\u003ch4 data-start=\"1865\" data-end=\"1948\"\u003eIs the clear version of the 0821‑15C stocked at my local Discount Pool Mart?\u003c\/h4\u003e\n\u003ch4 data-start=\"1949\" data-end=\"2019\"\u003eHow long will this valve last in outdoor pool equipment setups?\u003c\/h4\u003e\n\u003ch4 data-start=\"2020\" data-end=\"2094\"\u003eDoes the valve need to be removed for internal cleaning or service?\u003c\/h4\u003e\n\u003ch4 data-start=\"2095\" data-end=\"2177\"\u003eCan I tell if the valve is failing just by looking through the clear housing?\u003c\/h4\u003e","brand":"Magic Plastics","offers":[{"title":"Default Title","offer_id":50548616528160,"sku":"0821-15C.","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/3326\/9536\/files\/0821-15CMagicPlastics1.5SlipxSlipCheckValveClearDiscountPoolMart.jpg?v=1755291240","url":"https:\/\/discountpoolmart.com\/products\/0821-15c-magic-plastics-1-5-slip-x-slip-check-valve-clear","provider":"Discount Pool Mart","version":"1.0","type":"link"}