{"product_id":"pentairwhisperfloimpellerscrew1420x1lhphillipspan071652zpen071652z","title":"Pentair WhisperFlo Impeller Screw 1\/4-20 x 1 LH Phillips Pan | 071652Z","description":"\u003cdiv\u003e\n  \u003ch2\u003ePentair 071652Z Impeller Lock Screw (1\/4-20 x 1\", Left-Hand Thread) for WhisperFlo \/ IntelliFlo Pumps\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Pentair \u003cstrong\u003e071652Z\u003c\/strong\u003e is an OEM replacement \u003cstrong\u003eimpeller lock screw\u003c\/strong\u003e used in select Pentair pool and spa pumps,\n    including many \u003cstrong\u003eWhisperFlo\u003c\/strong\u003e and \u003cstrong\u003eIntelliFlo\u003c\/strong\u003e models. This screw secures the impeller to the motor shaft and is\n    commonly specified as a \u003cstrong\u003e1\/4-20 x 1\" left-hand (reverse-thread) Phillips pan-head stainless steel screw\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Details\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 071652Z\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart type:\u003c\/strong\u003e Impeller lock screw \/ set screw\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eThread size:\u003c\/strong\u003e 1\/4-20\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eThread direction:\u003c\/strong\u003e \u003cstrong\u003eLeft-hand (reverse thread)\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHead style:\u003c\/strong\u003e Phillips pan head\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 18-8 stainless steel (commonly listed)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Compatibility (Verify by Pump Model \u0026amp; Revision)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePentair WhisperFlo\u003c\/strong\u003e pumps (select models)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePentair IntelliFlo\u003c\/strong\u003e pumps (select models\/series), including commonly referenced VF \/ VS \/ VS+SVRS variants\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePentair IntelliPro\u003c\/strong\u003e pump variants (select models)\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Always confirm your exact pump model and parts diagram before ordering, since compatibility can vary by production year and motor\/pump revision.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eImportant Service Note\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n      This is a \u003cstrong\u003eleft-hand thread\u003c\/strong\u003e screw. It loosens\/tightens opposite of a standard right-hand screw.\n      Forcing it the wrong direction can damage the screw or impeller.\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat This Part Does\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocks the impeller to the motor shaft to prevent loosening during operation\u003c\/li\u003e\n    \u003cli\u003eHelps maintain proper impeller alignment and pump performance\u003c\/li\u003e\n    \u003cli\u003eReplaces stripped, corroded, or damaged impeller screws during pump rebuilds and seal replacements\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Reasons to Replace\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eStripped Phillips head during pump disassembly\u003c\/li\u003e\n    \u003cli\u003eCorrosion, thread damage, or broken screw\u003c\/li\u003e\n    \u003cli\u003ePump rebuild service (especially when replacing shaft seal \/ impeller)\u003c\/li\u003e\n    \u003cli\u003eIncorrect screw installed previously (wrong thread direction or length)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDisconnect power to the pump before servicing.\u003c\/li\u003e\n    \u003cli\u003eConfirm the pump model and parts diagram before installation.\u003c\/li\u003e\n    \u003cli\u003eUse the correct screwdriver size to avoid stripping the head.\u003c\/li\u003e\n    \u003cli\u003eRemember: this screw uses \u003cstrong\u003eleft-hand threads\u003c\/strong\u003e (reverse-thread operation).\u003c\/li\u003e\n    \u003cli\u003eInspect the impeller and shaft seal area while the pump is apart, and replace worn components as needed.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRelated Products (Aqua Pool Supply)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Pentair%20071652Z\"\u003ePentair 071652Z Impeller Lock Screw (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=WhisperFlo%20shaft%20seal\"\u003eWhisperFlo Shaft Seal Kits (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=IntelliFlo%20shaft%20seal\"\u003eIntelliFlo Shaft Seal Kits (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=WhisperFlo%20impeller\"\u003eWhisperFlo Impellers (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=IntelliFlo%20pump%20parts\"\u003eIntelliFlo Pump Parts (Search)\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eWhen rebuilding a pump wet end, inspect the impeller screw, impeller threads, and shaft seal together.\u003c\/li\u003e\n    \u003cli\u003eReplace damaged or rounded screws instead of reusing them to avoid future service delays.\u003c\/li\u003e\n    \u003cli\u003eKeep water chemistry balanced to help reduce corrosion on metal components.\u003c\/li\u003e\n    \u003cli\u003eIf the pump is noisy or leaking, inspect the full wet end assembly—not just the impeller screw.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52589948305724,"sku":"071652Z","price":5.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-whisperflo-impeller-screw-14-20-x-1-lh-phillips-pan-071652z-pump-parts-4094115.jpg?v=1771957821","url":"https:\/\/aquapoolsupply.com\/products\/pentairwhisperfloimpellerscrew1420x1lhphillipspan071652zpen071652z","provider":"Aqua Pool Supply","version":"1.0","type":"link"}