{"product_id":"pentairchallengersuperflosupermaxdiffuserquadoring355030zpen355030z","title":"Pentair Challenger\/SuperFlo\/SuperMax Diffuser Quad O-Ring | 355030Z","description":"\u003cdiv\u003e\n\u003ch2\u003ePentair 355030Z – High-Flow Diffuser O-Ring (Square Cross-Section)\u003c\/h2\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThis OEM diffuser O-ring is designed for high-flow pump models and fits select Pentair and Sta-Rite inground pool pumps. It features a square cross-section seal designed for durability under high flow and pressure conditions.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSquare cross-section O-ring — thicker profile for enhanced sealing under high flow.\u003c\/li\u003e\n\u003cli\u003eFits major pump models including Challenger®, Pinnacle High Flow, SuperFlo®, SuperMax® and others.\u003c\/li\u003e\n\u003cli\u003eEssential replacement part to restore the diffuser seal and prevent leakage or performance loss.\u003c\/li\u003e\n\u003cli\u003eDurable elastomer material selected for chemical resistance and long life in pool environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: 355030Z\u003c\/li\u003e\n\u003cli\u003eApproximate Dimensions: Outside Diameter ~3-1\/8″, Inside Diameter ~2-3\/4″, Cross Section ~3\/16″ thick\u003c\/li\u003e\n\u003cli\u003eShape: Square cross-section “ring” style (not a standard round O-ring)\u003c\/li\u003e\n\u003cli\u003eCompatible with: Select Pentair\/Sta-Rite high-flow inground pump models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Fit-Up Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTurn off power to the pump and relieve system pressure before servicing.\u003c\/li\u003e\n\u003cli\u003eRemove the pump wet-end or diffuser assembly to access the existing O-ring.\u003c\/li\u003e\n\u003cli\u003eClean both mating surfaces thoroughly to ensure the new O-ring seats properly.\u003c\/li\u003e\n\u003cli\u003eInstall the 355030Z O-ring in its groove, ensuring no twists or kinks.\u003c\/li\u003e\n\u003cli\u003eRe-assemble the diffuser and pump housing, restore power, and check for leaks and proper flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTroubleshooting \u0026amp; Maintenance Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak between diffuser and housing:\u003c\/strong\u003e Confirm the O-ring is fully seated, and mating surfaces are clean and undamaged.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced pump flow or pressure fluctuations:\u003c\/strong\u003e A degraded or missing diffuser seal can cause bypass or inefficient flow—replace the O-ring if worn.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eO-ring deformation or chemical damage:\u003c\/strong\u003e Inspect annually; replace at first signs of flattening, cracking or chemical swelling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaintenance Tip\u003c\/h3\u003e\n\u003cp\u003eDuring pump service or annual inspection, remove and inspect this O-ring. If the seal shows wear or the pump is reassembled, replacing the diffuser O-ring proactively can prevent leaks and prolong the life of your pump’s hydraulic system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":46797823606959,"sku":"355030Z","price":11.5,"currency_code":"USD","in_stock":true}],"url":"https:\/\/freshized.com\/products\/pentairchallengersuperflosupermaxdiffuserquadoring355030zpen355030z","provider":"Freshized","version":"1.0","type":"link"}