{"product_id":"25pentairlidkitsys3flt25uppertanksheelkit58d110pentair248519001pen248519001","title":"Pentair Sta-Rite 24851-9001 Upper Tank Half Kit (25\") for System:3  | 24851-9001","description":"\u003cdiv\u003e\n  \u003ch2\u003ePentair \/ Sta-Rite 24851-9001 Upper Tank Half Kit (25\") for System:3 Filters\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Pentair \/ Sta-Rite \u003cstrong\u003e24851-9001\u003c\/strong\u003e is the OEM \u003cstrong\u003eupper tank half (tank top \/ lid) kit\u003c\/strong\u003e used on select\n    Sta-Rite \u003cstrong\u003eSystem:3\u003c\/strong\u003e filter systems with a \u003cstrong\u003e25-inch\u003c\/strong\u003e tank. This part replaces the top half of the filter\n    housing when the original is cracked, warped, leaking, or the clamp interface is damaged. It is commonly supplied as a kit and is often\n    listed as including the factory decals\/labels.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCommon Compatibility (Verify Your Filter Model)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSta-Rite System:3 Modular Media:\u003c\/strong\u003e \u003cstrong\u003eS8M150\u003c\/strong\u003e, \u003cstrong\u003eS8M500\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSta-Rite System:3 Modular D.E.:\u003c\/strong\u003e \u003cstrong\u003eS8D110\u003c\/strong\u003e (select configurations)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSta-Rite System:3 High-Rate Sand:\u003c\/strong\u003e \u003cstrong\u003eS7S70\u003c\/strong\u003e (select configurations)\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    System:3 parts can vary by series (SM\/SD\/SS) and tank size. Confirm your exact filter model and parts diagram before ordering.\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 24851-9001\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart type:\u003c\/strong\u003e Upper tank half \/ tank top (lid) kit\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTank size:\u003c\/strong\u003e 25\" System:3 tank\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTypical use:\u003c\/strong\u003e Replaces the upper shell when the tank top is damaged or leaking\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhen to Replace the Upper Tank Half\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHairline cracks, stress fractures, or seepage from the tank top\u003c\/li\u003e\n    \u003cli\u003eWarping or deformation that prevents the tank O-ring from sealing\u003c\/li\u003e\n    \u003cli\u003eDamage at the clamp\/locking-ring interface that prevents safe, even clamping\u003c\/li\u003e\n    \u003cli\u003eRepeated leaks after replacing the tank O-ring and confirming clean, undamaged sealing surfaces\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eTurn off the pump and \u003cstrong\u003erelieve all pressure\u003c\/strong\u003e from the filter before opening.\u003c\/li\u003e\n    \u003cli\u003eInspect the \u003cstrong\u003etank O-ring\u003c\/strong\u003e and replace it if flattened, cracked, swollen, or nicked.\u003c\/li\u003e\n    \u003cli\u003eClean sealing surfaces thoroughly; debris or scale can cause leaks even with new parts.\u003c\/li\u003e\n    \u003cli\u003eReassemble and tighten the clamp evenly per the manufacturer’s procedure (do not over-tighten).\u003c\/li\u003e\n    \u003cli\u003eRestart the system and check for slow seepage after the filter reaches full operating pressure.\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=24851-9001\"\u003e24851-9001 Upper Tank Half (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=System%203%20tank%20o-ring\"\u003eSystem:3 Tank O-Ring \/ Seal (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=S8M150%20cartridge\"\u003eS8M150 Cartridge Modules (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=S8M500%20cartridge\"\u003eS8M500 Cartridge Modules (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=filter%20o-ring%20lubricant\"\u003ePool-Safe Silicone O-Ring Lubricant (Search)\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eKeep the tank O-ring clean and lightly lubricated with pool-safe silicone lubricant to reduce pinching and leaks.\u003c\/li\u003e\n    \u003cli\u003eNever open the filter until pressure is fully relieved—this protects equipment and prevents damage to sealing surfaces.\u003c\/li\u003e\n    \u003cli\u003eIf the filter is in direct sun, provide shade when possible to help extend plastic tank life.\u003c\/li\u003e\n    \u003cli\u003eRecord your clean starting pressure after service; a rising baseline can indicate restriction or system changes.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52589949255996,"sku":"24851-9001","price":889.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-sta-rite-24851-9001-upper-tank-half-kit-25-for-system3-24851-9001-pool-filter-parts-1452435.jpg?v=1771677734","url":"https:\/\/aquapoolsupply.com\/products\/25pentairlidkitsys3flt25uppertanksheelkit58d110pentair248519001pen248519001","provider":"Aqua Pool Supply","version":"1.0","type":"link"}