{"product_id":"hayward-super-ii-pump-diffuser-2-1-2-x-3hp-spx3021b","title":"Hayward Super II Pump Diffuser 2-1\/2 x 3HP | SPX3021B","description":"\u003cp data-end=\"904\" data-start=\"563\"\u003eThe \u003cstrong data-end=\"610\" data-start=\"567\"\u003eHayward SPX3021B Super II Pump Diffuser\u003c\/strong\u003e is a \u003cstrong data-end=\"650\" data-start=\"616\"\u003egenuine OEM internal component\u003c\/strong\u003e engineered to optimize hydraulic flow inside \u003cstrong data-end=\"727\" data-start=\"696\"\u003eHayward Super II pool pumps\u003c\/strong\u003e rated at \u003cstrong data-end=\"756\" data-start=\"737\"\u003e2‑1\/2HP and 3HP\u003c\/strong\u003e. Installed between the impeller and volute, this diffuser helps guide water smoothly, reducing turbulence and enhancing overall pump performance.\u003c\/p\u003e\n\u003cp data-end=\"1296\" data-start=\"906\"\u003eOver time, diffusers can wear or crack due to prolonged use and pressure loads, negatively impacting circulation efficiency and increasing vibration or noise. Replacing a worn unit with the \u003cstrong data-end=\"1117\" data-start=\"1096\"\u003eSPX3021B diffuser\u003c\/strong\u003e restores \u003cstrong data-end=\"1151\" data-start=\"1127\"\u003eproper flow dynamics\u003c\/strong\u003e, supports stronger water pressure, and maintains efficient pump operation — helping improve filtration, water clarity, and system reliability.\u003c\/p\u003e\n\u003ch2 data-end=\"1325\" data-start=\"1303\"\u003e\u003cstrong data-end=\"1323\" data-start=\"1306\"\u003e\u003cstrong data-end=\"610\" data-start=\"567\"\u003eHayward SPX3021B Super II Pump Diffuser \u003c\/strong\u003eCompatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1717\" data-start=\"1326\"\u003e\n\u003cli data-end=\"1426\" data-start=\"1326\"\u003e\n\u003cp data-end=\"1426\" data-start=\"1328\"\u003eDesigned specifically for \u003cstrong data-end=\"1391\" data-start=\"1354\"\u003eHayward Super II pool pump models\u003c\/strong\u003e with \u003cstrong data-end=\"1423\" data-start=\"1397\"\u003e2‑1\/2HP and 3HP motors\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1515\" data-start=\"1427\"\u003e\n\u003cp data-end=\"1515\" data-start=\"1429\"\u003eFits Super II housings and internal assemblies that require this OEM diffuser style.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1623\" data-start=\"1516\"\u003e\n\u003cp data-end=\"1623\" data-start=\"1518\"\u003eCompatible with residential \u003cstrong data-end=\"1583\" data-start=\"1546\"\u003einground pool circulation systems\u003c\/strong\u003e using high‑horsepower Super II pumps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1717\" data-start=\"1624\"\u003e\n\u003cp data-end=\"1717\" data-start=\"1626\"\u003eIdeal replacement when the original diffuser shows wear, cracking, or reduced efficiency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":51030508273981,"sku":"SPX3021B","price":37.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6741\/8429\/files\/HPPSPX3021B_0.jpg?v=1763862022","url":"https:\/\/poolsupply4u.com\/products\/hayward-super-ii-pump-diffuser-2-1-2-x-3hp-spx3021b","provider":"PoolSupply 4U","version":"1.0","type":"link"}