{"product_id":"swimables-pentair-whisperflo-intelliflo-diffuser-o-ring-sw-21-927","title":"Swimables Pentair WhisperFlo \/ IntelliFlo Style Diffuser \u0026 O-Ring — SW-21-927","description":"\u003cp data-start=\"141\" data-end=\"526\"\u003eThe \u003cstrong data-start=\"145\" data-end=\"226\"\u003eSwimables Pentair WhisperFlo \/ IntelliFlo Style Diffuser \u0026amp; O-Ring (SW-21-927)\u003c\/strong\u003e is a replacement diffuser assembly designed for \u003cstrong data-start=\"275\" data-end=\"330\"\u003ePentair WhisperFlo and IntelliFlo series pool pumps\u003c\/strong\u003e. The diffuser plays a critical role inside the pump by directing water flow from the impeller into the pump volute, helping maintain efficient water movement and consistent hydraulic performance.\u003c\/p\u003e\n\u003cp data-start=\"528\" data-end=\"849\"\u003eDuring pump operation, water exits the impeller at high velocity. The diffuser helps convert that energy into controlled flow, allowing the pump to move water smoothly through the circulation system. When the diffuser becomes cracked, warped, or worn, the pump can lose efficiency and experience reduced flow performance.\u003c\/p\u003e\n\u003cp data-start=\"851\" data-end=\"985\"\u003eReplacing the diffuser and O-ring helps restore proper pump hydraulics and ensures a tight seal between the diffuser and pump housing.\u003c\/p\u003e\n\u003chr data-start=\"987\" data-end=\"990\"\u003e\n\u003ch2 data-section-id=\"1i8zqcv\" data-start=\"992\" data-end=\"1020\"\u003eWhy Pump Diffusers Matter\u003c\/h2\u003e\n\u003cp data-start=\"1022\" data-end=\"1252\"\u003eThe diffuser is a key internal component that helps regulate how water flows through the pump after leaving the impeller. It plays an important role in maintaining pump efficiency and preventing turbulence inside the pump housing.\u003c\/p\u003e\n\u003cp data-start=\"1254\" data-end=\"1349\"\u003eWhen the diffuser becomes damaged or the O-ring seal deteriorates, pump performance can suffer.\u003c\/p\u003e\n\u003cp data-start=\"1351\" data-end=\"1411\"\u003eCommon problems caused by worn or damaged diffusers include:\u003c\/p\u003e\n\u003cp data-start=\"1413\" data-end=\"1552\"\u003e• Reduced water flow or circulation\u003cbr data-start=\"1448\" data-end=\"1451\"\u003e• Pump efficiency loss\u003cbr data-start=\"1473\" data-end=\"1476\"\u003e• Internal water turbulence or cavitation\u003cbr data-start=\"1517\" data-end=\"1520\"\u003e• Leaks around the diffuser seal\u003c\/p\u003e\n\u003cp data-start=\"1554\" data-end=\"1659\"\u003eReplacing the diffuser assembly helps maintain optimal pump performance and protects internal components.\u003c\/p\u003e\n\u003chr data-start=\"1661\" data-end=\"1664\"\u003e\n\u003ch2 data-section-id=\"r1mcth\" data-start=\"1666\" data-end=\"1721\"\u003eDesigned for Pentair WhisperFlo and IntelliFlo Pumps\u003c\/h2\u003e\n\u003cp data-start=\"1723\" data-end=\"1977\"\u003eThis replacement diffuser is designed for \u003cstrong data-start=\"1765\" data-end=\"1814\"\u003ePentair WhisperFlo and IntelliFlo pump series\u003c\/strong\u003e, commonly used in residential pool circulation systems. The diffuser works with the pump’s impeller and volute to regulate water movement inside the pump housing.\u003c\/p\u003e\n\u003cp data-start=\"1979\" data-end=\"2088\"\u003eThe included \u003cstrong data-start=\"1992\" data-end=\"2007\"\u003eO-ring seal\u003c\/strong\u003e helps ensure a proper fit and prevents internal leakage between pump components.\u003c\/p\u003e\n\u003cp data-start=\"2090\" data-end=\"2165\"\u003eAlways confirm compatibility with your specific pump model before ordering.\u003c\/p\u003e\n\u003chr data-start=\"2167\" data-end=\"2170\"\u003e\n\u003ch2 data-section-id=\"15uglqi\" data-start=\"2172\" data-end=\"2222\"\u003eDurable Construction for Pool Equipment Systems\u003c\/h2\u003e\n\u003cp data-start=\"2224\" data-end=\"2399\"\u003eThe Swimables SW-21-927 diffuser is manufactured from \u003cstrong data-start=\"2278\" data-end=\"2306\"\u003edurable molded materials\u003c\/strong\u003e designed to withstand the pressures and hydraulic forces inside high-performance pool pumps.\u003c\/p\u003e\n\u003cp data-start=\"2401\" data-end=\"2494\"\u003eThe material resists wear from continuous operation and exposure to pool water and chemicals.\u003c\/p\u003e\n\u003chr data-start=\"2496\" data-end=\"2499\"\u003e\n\u003ch2 data-section-id=\"6itkhv\" data-start=\"2501\" data-end=\"2544\"\u003eStraightforward Pump Service Replacement\u003c\/h2\u003e\n\u003cp data-start=\"2546\" data-end=\"2767\"\u003eThe diffuser installs inside the pump housing around the impeller and forms part of the internal water flow system. During installation, the included \u003cstrong data-start=\"2696\" data-end=\"2766\"\u003eO-ring creates a secure seal between the diffuser and pump housing\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2769\" data-end=\"2946\"\u003eWhen servicing the diffuser, it is recommended to inspect surrounding pump components such as the \u003cstrong data-start=\"2867\" data-end=\"2910\"\u003eimpeller, pump seal, and housing gasket\u003c\/strong\u003e to ensure optimal pump performance.\u003c\/p\u003e\n\u003chr data-start=\"2948\" data-end=\"2951\"\u003e\n\u003ch1 data-section-id=\"nh62sj\" data-start=\"2953\" data-end=\"2977\"\u003eProduct Specifications\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2979\" data-end=\"3319\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2979\" data-end=\"3006\"\u003e\n\u003ctr data-start=\"2979\" data-end=\"3006\"\u003e\n\u003cth data-start=\"2979\" data-end=\"2995\" data-col-size=\"sm\" class=\"\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"2995\" data-end=\"3006\" data-col-size=\"sm\" class=\"\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"3017\" data-end=\"3319\"\u003e\n\u003ctr data-start=\"3017\" data-end=\"3058\"\u003e\n\u003ctd data-start=\"3017\" data-end=\"3032\" data-col-size=\"sm\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd data-start=\"3032\" data-end=\"3058\" data-col-size=\"sm\"\u003ePump Diffuser \u0026amp; O-Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3059\" data-end=\"3087\"\u003e\n\u003ctd data-start=\"3059\" data-end=\"3074\" data-col-size=\"sm\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd data-start=\"3074\" data-end=\"3087\" data-col-size=\"sm\"\u003eSwimables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3088\" data-end=\"3115\"\u003e\n\u003ctd data-start=\"3088\" data-end=\"3102\" data-col-size=\"sm\"\u003ePart Number\u003c\/td\u003e\n\u003ctd data-start=\"3102\" data-end=\"3115\" data-col-size=\"sm\"\u003eSW-21-927\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3116\" data-end=\"3172\"\u003e\n\u003ctd data-start=\"3116\" data-end=\"3137\" data-col-size=\"sm\"\u003ePump Compatibility\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3137\" data-end=\"3172\"\u003ePentair WhisperFlo \u0026amp; IntelliFlo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3173\" data-end=\"3214\"\u003e\n\u003ctd data-start=\"3173\" data-end=\"3187\" data-col-size=\"sm\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3187\" data-end=\"3214\"\u003ePump Hydraulic Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3215\" data-end=\"3258\"\u003e\n\u003ctd data-start=\"3215\" data-end=\"3237\" data-col-size=\"sm\"\u003eIncluded Components\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3237\" data-end=\"3258\"\u003eDiffuser \u0026amp; O-Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3259\" data-end=\"3299\"\u003e\n\u003ctd data-start=\"3259\" data-end=\"3270\" data-col-size=\"sm\"\u003eMaterial\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3270\" data-end=\"3299\"\u003eDurable Molded Components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3300\" data-end=\"3319\"\u003e\n\u003ctd data-start=\"3300\" data-end=\"3312\" data-col-size=\"sm\"\u003eCondition\u003c\/td\u003e\n\u003ctd data-start=\"3312\" data-end=\"3319\" data-col-size=\"sm\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"3321\" data-end=\"3324\"\u003e\n\u003ch2 data-section-id=\"vgmysq\" data-start=\"3326\" data-end=\"3352\"\u003eRelated Pool Pump Parts\u003c\/h2\u003e\n\u003cp data-start=\"3354\" data-end=\"3596\"\u003eIf you're replacing a pump diffuser, it may also be helpful to inspect other pump components such as \u003cstrong data-start=\"3455\" data-end=\"3517\"\u003eimpellers, pump seals, housing gaskets, and union fittings\u003c\/strong\u003e. These parts work together to maintain proper circulation and pump efficiency.\u003c\/p\u003e\n\u003cp data-start=\"3598\" data-end=\"3727\"\u003eBrowse our full collection of \u003cstrong data-start=\"3628\" data-end=\"3663\"\u003epool pump parts and accessories\u003c\/strong\u003e to find compatible replacement components for your pump system.\u003c\/p\u003e\n\u003chr data-start=\"3729\" data-end=\"3732\"\u003e\n\u003ch1 data-section-id=\"17uhds\" data-start=\"3734\" data-end=\"3770\"\u003eWhy Buy From Benchmark Pool Supply\u003c\/h1\u003e\n\u003cp data-start=\"3772\" data-end=\"4088\"\u003eWhen you purchase pool pump parts from \u003cstrong data-start=\"3811\" data-end=\"3836\"\u003eBenchmark Pool Supply\u003c\/strong\u003e, you're buying from a team that works with pool equipment and circulation systems every day. We stock \u003cstrong data-start=\"3939\" data-end=\"3979\"\u003eservice-ready replacement components\u003c\/strong\u003e, ship from \u003cstrong data-start=\"3991\" data-end=\"4009\"\u003eU.S. inventory\u003c\/strong\u003e, and help customers identify the correct parts for their specific pump models.\u003c\/p\u003e\n\u003cp data-start=\"4090\" data-end=\"4279\"\u003eOur goal is to provide \u003cstrong data-start=\"4113\" data-end=\"4185\"\u003ereliable replacement parts, fast shipping, and knowledgeable support\u003c\/strong\u003e so pool owners and service professionals can keep their pool equipment operating efficiently.\u003cbr\u003e\u003c\/p\u003e","brand":"Swimables","offers":[{"title":"Default Title","offer_id":43410812534858,"sku":"SW-21-927","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/6580\/7178\/files\/51kjGbRSOuL._AC_SX679.jpg?v=1773605543","url":"https:\/\/benchmarkpoolsupply.com\/products\/swimables-pentair-whisperflo-intelliflo-diffuser-o-ring-sw-21-927","provider":"Benchmark Pool Supply","version":"1.0","type":"link"}