{"product_id":"maytronics-dolphin-cartridge-locking-hook-9980731","title":"Maytronics Dolphin Cartridge Locking Hook 9980731 – Filter Cartridge Retaining Hook","description":"\u003cdiv class=\"ups-product-desc\" style=\"max-width: 100%; color: #1f2937; line-height: 1.7;\"\u003e\n\u003c!-- HERO --\u003e\n\u003cdiv style=\"background: linear-gradient(135deg,#0f4c81 0%,#1273b8 100%); color: #ffffff; border-radius: 18px; padding: 24px 20px; margin: 0 0 24px;\"\u003e\n\u003cdiv style=\"font-size: 13px; text-transform: uppercase; opacity: .9; margin-bottom: 8px;\"\u003eRobotic Pool Cleaner Filter Part\u003c\/div\u003e\n\u003ch2 style=\"margin: 0 0 10px; font-size: 30px; color: #ffffff;\"\u003eMaytronics Dolphin Cartridge Locking Hook\u003c\/h2\u003e\n\u003cp style=\"margin: 0; font-size: 16px; color: #ffffff;\"\u003eReplacement retaining hook designed to secure the filter cartridge in confirmed compatible Dolphin robotic pool cleaners.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- WARRANTY --\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 14px; padding: 16px; margin-bottom: 28px;\"\u003e\n\u003ch3 style=\"margin: 0 0 8px; font-size: 22px; color: #1e3a8a;\"\u003eWarranty Information\u003c\/h3\u003e\n\u003cp style=\"margin: 0; font-size: 16px;\"\u003e\u003cstrong\u003e1-Year Manufacturer Warranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 6px 0 0; font-size: 14px; color: #475569;\"\u003eUltimate Pools is your first point of contact for compatibility verification, installation guidance, and warranty support.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- INTRO --\u003e\n\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eMaytronics Dolphin Cartridge Locking Hook (9980731)\u003c\/strong\u003e is a replacement retaining component designed to secure the filter cartridge inside select Dolphin robotic pool cleaners. It helps keep the cartridge properly seated during operation.\u003c\/p\u003e\n\u003cp\u003eThis listing includes one locking hook for replacing a worn, damaged or missing original component. Because filter assemblies can vary between cleaner models and production versions, verify the cleaner model, product number and existing cartridge configuration before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- FEATURES --\u003e\n\u003cdiv style=\"margin-bottom: 32px;\"\u003e\n\u003ch3 style=\"font-size: 26px; margin: 0 0 18px; color: #0f172a;\"\u003eKey Features\u003c\/h3\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap: 12px;\"\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 16px;\"\u003e\n\u003cstrong\u003eSecure Cartridge Retention\u003c\/strong\u003e\u003cbr\u003eHelps hold the compatible filter cartridge firmly in place during cleaner operation.\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 16px;\"\u003e\n\u003cstrong\u003eSupports Proper Filter Positioning\u003c\/strong\u003e\u003cbr\u003eMaintains the cartridge in its intended position within the filtration compartment.\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 16px;\"\u003e\n\u003cstrong\u003eSingle Replacement Hook\u003c\/strong\u003e\u003cbr\u003eIncludes one hook for replacing a worn, broken or missing retaining component.\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 16px;\"\u003e\n\u003cstrong\u003eMaintenance Replacement Part\u003c\/strong\u003e\u003cbr\u003eAllows the affected retaining component to be serviced without replacing the full filter assembly.\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 16px;\"\u003e\n\u003cstrong\u003eDirect-Fit Design\u003c\/strong\u003e\u003cbr\u003eDesigned for straightforward installation in confirmed compatible cleaner configurations.\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 16px;\"\u003e\n\u003cstrong\u003eModel-Specific Fitment\u003c\/strong\u003e\u003cbr\u003eDesigned for the confirmed cleaner models and product numbers listed below.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- COMPATIBILITY --\u003e\n\u003cdiv style=\"margin-bottom: 32px;\"\u003e\n\u003ch3 style=\"font-size: 26px; margin: 0 0 16px; color: #0f172a;\"\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 18px;\"\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003eCompatible with the following Dolphin robotic pool cleaner models and product numbers:\u003c\/p\u003e\n\u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Aquarius XL:\u003c\/strong\u003e 99991079-AQI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin C3 CB:\u003c\/strong\u003e 99991023-C3, 99991073-C3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin C4 CB:\u003c\/strong\u003e 99991083-C4, 99991083-C4DEMO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Explorer E25 IoT CB:\u003c\/strong\u003e 99996406-XPW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Explorer E25 IoT CB Refurbished:\u003c\/strong\u003e 88886406-XPI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Explorer E40 Refurbished:\u003c\/strong\u003e 88881083-XPI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin M200 CB:\u003c\/strong\u003e 99996403-US\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin M400 CB:\u003c\/strong\u003e 99991043-US\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin M500:\u003c\/strong\u003e 99991089-US\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Nautilus CC Plus Refurbished Open Box:\u003c\/strong\u003e 66666403-PCF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Nautilus CC Plus IoT CB:\u003c\/strong\u003e 99996409-PCI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Nautilus CC Plus IoT CB Refurbished:\u003c\/strong\u003e 88886409-PCI, 66666406-PCI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Nautilus CC Plus IoT Open Box:\u003c\/strong\u003e 66666409-PCI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Nautilus CC Supreme:\u003c\/strong\u003e 99991083-PC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Nautilus CC Supreme Refurbished:\u003c\/strong\u003e 88881083-PC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Oasis Z5 CB:\u003c\/strong\u003e 99991079-OAS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Supreme M4:\u003c\/strong\u003e 99991013-US, 99991013-USDEMO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Supreme M5:\u003c\/strong\u003e 99991086-US\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Supreme M5 Bio-S PVC:\u003c\/strong\u003e 99991087-BIO-US, 99991087-USDEMO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Supreme M5 Liberty PVC:\u003c\/strong\u003e 99994101-US\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Wave 60 CB Refurbished:\u003c\/strong\u003e 88881060-US\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Wave 65 CB:\u003c\/strong\u003e 99991023-W65, 99991023-W65DEM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDolphin Wave 90 CB:\u003c\/strong\u003e 99991083-W90, 99991083-W90DEM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0 0 14px 0;\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px 0;\"\u003eAlso compatible with the following part;\u003c\/p\u003e\n\u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Filter 70 Assembly (M Line):\u003c\/strong\u003e 9991429-ASSY\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 16px 0 0; font-size: 14px; color: #475569;\"\u003eCompatibility may vary by production year, filter configuration and cleaner version. Verify your exact model, product number and existing cartridge assembly before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- APPLICATION --\u003e\n\u003cdiv style=\"margin-bottom: 32px;\"\u003e\n\u003ch3 style=\"font-size: 26px; margin: 0 0 16px; color: #0f172a;\"\u003eApplications\u003c\/h3\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 18px;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n\u003cli\u003eReplacing a worn cartridge locking hook\u003c\/li\u003e\n\u003cli\u003eReplacing a cracked, broken or missing retaining hook\u003c\/li\u003e\n\u003cli\u003eSecuring the filter cartridge during cleaner operation\u003c\/li\u003e\n\u003cli\u003eRestoring proper cartridge positioning\u003c\/li\u003e\n\u003cli\u003eRoutine Dolphin robotic cleaner maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 16px 0 0; font-size: 14px; color: #475569;\"\u003eInspect the existing cartridge assembly and remaining retaining components before ordering to confirm that 9980731 is the correct replacement hook.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- SPECS --\u003e\n\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003ch3 style=\"font-size: 24px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; border: 1px solid #e5e7eb; border-radius: 14px;\"\u003e\n\u003ctable style=\"width: 100%; min-width: 520px; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e9980731\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eUPC \/ EAN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e3701314134005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003eMaytronics \/ Dolphin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003eRobotic Pool Cleaner Cartridge Locking Hook\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e1 Cartridge Locking Hook\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eProduct Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e0.303 × 0.689 × 1.85 in \/ 0.77 × 1.75 × 4.7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb; vertical-align: middle;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003eSelect Dolphin Aquarius, C-Series, Explorer, M-Series, Nautilus, Oasis, Supreme and Wave robotic pool cleaners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003eReplacement filter cartridge retaining hook\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e1-Year Manufacturer Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px;\"\u003e\u003cstrong\u003eFinal Sale\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FAQ --\u003e\n\u003cdiv\u003e\n\u003ch3 style=\"font-size: 26px; margin: 0 0 16px; color: #0f172a;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv style=\"background: #ffffff; border: 1px solid #e5e7eb; border-radius: 14px; overflow: hidden;\"\u003e\n\u003cdiv style=\"padding: 16px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eWhat does the cartridge locking hook do?\u003c\/strong\u003e\u003cbr\u003eIt helps secure the compatible filter cartridge in its intended position during cleaner operation.\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eHow many hooks are included?\u003c\/strong\u003e\u003cbr\u003eThis listing includes one cartridge locking hook.\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eWill this hook fit every Dolphin cleaner?\u003c\/strong\u003e\u003cbr\u003eNo. It is designed only for the cleaner models and product numbers listed in the Compatibility \u0026amp; Fitment section.\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eWhen should the locking hook be replaced?\u003c\/strong\u003e\u003cbr\u003eReplace it when the original hook is worn, cracked, broken, missing or no longer securing the cartridge correctly.\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eDoes this listing include the filter cartridge?\u003c\/strong\u003e\u003cbr\u003eNo. This listing is for one locking hook only. The cartridge and complete filter assembly are not confirmed as included.\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eIs this product final sale?\u003c\/strong\u003e\u003cbr\u003eYes. Confirm the cleaner model, cartridge configuration and required hook before purchasing.\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px;\"\u003e\n\u003cstrong\u003eWhat warranty is included?\u003c\/strong\u003e\u003cbr\u003eThis cartridge locking hook includes a 1-year manufacturer warranty, subject to the manufacturer’s applicable warranty terms and conditions.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Maytronics","offers":[{"title":"Default Title","offer_id":42425438732457,"sku":"9980731","price":2.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/2647\/4409\/files\/9980731.png?v=1687800100","url":"https:\/\/ultimatepools.ca\/products\/maytronics-dolphin-cartridge-locking-hook-9980731","provider":"ultimatepools.ca","version":"1.0","type":"link"}