{"product_id":"pentair5hpwhisperfloxfdiffuser400011zpen400011z","title":"Pentair 5HP WhisperFloXF Diffuser | 400011Z","description":"\u003cdiv\u003e\n  \u003ch2\u003ePentair WhisperFloXF \/ Sta-Rite Max-E-ProXF 5 HP Diffuser | 400011Z\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Pentair \u003cstrong\u003e400011Z\u003c\/strong\u003e is an OEM \u003cstrong\u003epump diffuser\u003c\/strong\u003e for select \u003cstrong\u003e5 HP\u003c\/strong\u003e XF-series high-flow pool pumps.\n    The diffuser sits over the impeller and helps guide water through the wet end, improving hydraulic efficiency, supporting strong prime,\n    and reducing turbulence and cavitation compared to running with a damaged or worn diffuser.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOEM XF-series diffuser:\u003c\/strong\u003e direct-fit replacement for compatible 5 HP XF pump wet ends.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eImproves hydraulic performance:\u003c\/strong\u003e properly channels water leaving the impeller for efficient flow and pressure.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHelps restore prime and circulation:\u003c\/strong\u003e a worn\/cracked diffuser can contribute to noisy operation and reduced performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCritical wet-end component:\u003c\/strong\u003e protects and supports correct impeller-to-volute flow path.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUsed on:\u003c\/strong\u003e Pentair \u003cstrong\u003eWhisperFloXF\u003c\/strong\u003e pumps: \u003cstrong\u003eXFE-20\u003c\/strong\u003e, \u003cstrong\u003eXFJ-20\u003c\/strong\u003e, \u003cstrong\u003eXFK-20\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUsed on:\u003c\/strong\u003e Sta-Rite \u003cstrong\u003eMax-E-ProXF\u003c\/strong\u003e pumps: \u003cstrong\u003eXFE-20\u003c\/strong\u003e, \u003cstrong\u003eXFJ-20\u003c\/strong\u003e, \u003cstrong\u003eXFK-20\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    \u003cem\u003eTip:\u003c\/em\u003e XF pumps use different diffusers by horsepower\/model. Match your pump model (XFE\/XFJ\/XFK) and parts diagram to confirm \u003cstrong\u003e400011Z\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCommon Reasons to Replace\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eCracked or broken diffuser vanes from debris ingestion\u003c\/li\u003e\n    \u003cli\u003eExcessive noise, vibration, or signs of cavitation\u003c\/li\u003e\n    \u003cli\u003eLow flow \/ weak circulation after confirming baskets and filter are clean\u003c\/li\u003e\n    \u003cli\u003eDiffuser damage caused by running with a failed shaft seal or prolonged air ingestion\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eShut off power at the breaker and close valves before opening the pump.\u003c\/li\u003e\n    \u003cli\u003eInspect the \u003cstrong\u003eimpeller\u003c\/strong\u003e and \u003cstrong\u003ewear surfaces\u003c\/strong\u003e while the pump is apart; replace damaged parts together when needed.\u003c\/li\u003e\n    \u003cli\u003eReplace the \u003cstrong\u003emechanical shaft seal\u003c\/strong\u003e any time the wet end is opened for major service to help prevent leaks.\u003c\/li\u003e\n    \u003cli\u003eAfter reassembly, prime fully and check for leaks at the seal plate, drain plugs, and unions.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Pentair\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 400011Z\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Diffuser\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e XF-series 5 HP pump wet end\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 788379867201\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Sold individually\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRelated Products\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=400011Z\"\u003eSearch Aqua Pool Supply for 400011Z\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=400023Z\"\u003eXF Series 5 HP Impeller Assembly (400023Z)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=350336Z\"\u003eXF Series Diffuser O-Ring (350336Z)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=353323Z\"\u003eXF Series Diffuser Screw (353323Z)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=WhisperFlo%20XF%20seal%20kit\"\u003eWhisperFloXF seal kits\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=silicone%20pool%20lube\"\u003eSilicone O-ring lubricant (pump-safe)\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eKeep skimmer\/pump baskets and the filter clean to reduce restriction that can cause cavitation and premature diffuser wear.\u003c\/li\u003e\n    \u003cli\u003eFix suction-side air leaks early—running the pump with air in the system can damage wet-end components over time.\u003c\/li\u003e\n    \u003cli\u003eIf you open the pump for service, clean debris from the volute area and confirm the diffuser seats evenly before tightening fasteners.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Pentair","offers":[{"title":"Default Title","offer_id":46797894779055,"sku":"400011Z","price":88.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/freshized.com\/products\/pentair5hpwhisperfloxfdiffuser400011zpen400011z","provider":"Freshized","version":"1.0","type":"link"}