{"product_id":"maytronics-9980891-dolphin-non-return-flap-m4-m5-wave-2010","title":"Maytronics 9980891 Dolphin Non Return Flap, M4 \/ M5 \/ Wave 2010","description":"\n\u003cstyle\u003e\n  .dlflap-wrap, .dlflap-wrap * { box-sizing: border-box; }\n  .dlflap-wrap {\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n    color: #1a1a1a;\n    line-height: 1.6;\n  }\n\n  \/* Title bar (flat, no gradient) *\/\n  .dlflap-title {\n    border-bottom: 3px solid #6b4dab;\n    padding-bottom: 12px;\n    margin-bottom: 20px;\n  }\n  .dlflap-title h2 {\n    margin: 0;\n    font-size: 1.6em;\n    color: #1e2a5e;\n    font-weight: 700;\n    letter-spacing: -0.01em;\n  }\n  .dlflap-subtitle {\n    margin: 4px 0 0;\n    color: #555;\n    font-size: 0.95em;\n    font-style: italic;\n  }\n\n  \/* Intro *\/\n  .dlflap-intro {\n    margin: 0 0 24px;\n    font-size: 1em;\n    color: #333;\n  }\n\n  \/* Spec table *\/\n  .dlflap-spec-section { margin-bottom: 24px; }\n  .dlflap-spec-heading {\n    font-size: 0.85em;\n    text-transform: uppercase;\n    letter-spacing: 0.06em;\n    color: #1e2a5e;\n    font-weight: 700;\n    margin: 0 0 8px;\n  }\n  .dlflap-spec-table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 0.95em;\n  }\n  .dlflap-spec-table tr { border-bottom: 1px solid #e8ecf3; }\n  .dlflap-spec-table tr:last-child { border-bottom: none; }\n  .dlflap-spec-table th,\n  .dlflap-spec-table td {\n    text-align: left;\n    padding: 8px 12px;\n    vertical-align: top;\n  }\n  .dlflap-spec-table th {\n    font-weight: 600;\n    color: #1e2a5e;\n    width: 42%;\n    background: #f7f8fc;\n  }\n  .dlflap-spec-table td { color: #1a1a1a; }\n\n  \/* FAQ (optional) *\/\n  .dlflap-faq { margin-bottom: 24px; }\n  .dlflap-faq-item {\n    border-bottom: 1px solid #e8ecf3;\n    padding: 12px 0;\n  }\n  .dlflap-faq-item:last-child { border-bottom: none; }\n  .dlflap-faq-q {\n    font-weight: 600;\n    color: #1e2a5e;\n    margin: 0 0 4px;\n    font-size: 0.98em;\n  }\n  .dlflap-faq-a { margin: 0; color: #333; font-size: 0.95em; }\n\n  \/* Footer perks line *\/\n  .dlflap-footer {\n    border-top: 1px solid #e1e6ed;\n    padding-top: 14px;\n    margin-top: 24px;\n    text-align: center;\n    color: #555;\n    font-size: 0.9em;\n  }\n  .dlflap-footer .dlflap-dot {\n    color: #6b4dab;\n    margin: 0 8px;\n    font-weight: 700;\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"dlflap-wrap\"\u003e\n\n  \u003cheader class=\"dlflap-title\"\u003e\n    \u003ch2\u003eMaytronics 9980891 Dolphin Non Return Flap, M4 \/ M5 \/ Wave 2010\u003c\/h2\u003e\n    \u003cp class=\"dlflap-subtitle\"\u003eGenuine OEM one-way flap that keeps debris in the basket.\u003c\/p\u003e\n  \u003c\/header\u003e\n\n  \u003cp class=\"dlflap-intro\"\u003eThe \u003cstrong\u003eMaytronics 9980891 Dolphin Non Return Flap (PST-DL9980891)\u003c\/strong\u003e is the genuine OEM one-way valve that seats inside the filter intake on Dolphin robotic pool cleaners. It opens to let debris in during the cleaning cycle and closes when the robot pauses or lifts out of the pool, so leaves, sand, and fine grit stay locked in the basket. Replace yours when you notice debris falling out at the end of a cycle or when the rubber flap looks warped, torn, or stiff from chlorine exposure.\u003c\/p\u003e\n\n  \u003csection class=\"dlflap-spec-section\"\u003e\n    \u003cdiv class=\"dlflap-spec-heading\"\u003eSpecifications\u003c\/div\u003e\n    \u003ctable class=\"dlflap-spec-table\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eMaytronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel \/ MPN\u003c\/th\u003e\n\u003ctd\u003e9980891\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003ePST-DL9980891\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Type\u003c\/th\u003e\n\u003ctd\u003eNon Return Flap (one-way debris valve)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGenuine OEM\u003c\/th\u003e\n\u003ctd\u003eYes, Maytronics factory part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eDolphin Supreme M4 2010, Supreme M5 2010, Wave 60 \/ 65 \/ 80 \/ 90, M400, M500, Liberty, Bio, C3, C4, Sigma, Oasis Z5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLocation\u003c\/th\u003e\n\u003ctd\u003eFilter compartment intake \/ debris door\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eChemical-resistant rubber \/ polymer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003eEach (1 flap)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTools Required\u003c\/th\u003e\n\u003ctd\u003eNone, snaps into place\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/section\u003e\n\n  \n  \u003csection class=\"dlflap-faq\"\u003e\n    \u003cdiv class=\"dlflap-spec-heading\"\u003eGood to Know\u003c\/div\u003e\n    \n    \u003cdiv class=\"dlflap-faq-item\"\u003e\n      \u003cp class=\"dlflap-faq-q\"\u003eWhich Dolphin models does the 9980891 flap fit?\u003c\/p\u003e\n      \u003cp class=\"dlflap-faq-a\"\u003eIt fits Dolphin \u003cstrong\u003eSupreme M4 2010, Supreme M5 2010, Wave 60 \/ 65 \/ 80 \/ 90, M400, M500, Liberty, Bio, C3, C4, Sigma, and Oasis Z5\u003c\/strong\u003e cleaners. Confirm by matching the existing flap shape in your filter basket housing before ordering.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"dlflap-faq-item\"\u003e\n      \u003cp class=\"dlflap-faq-q\"\u003eHow do I know it is time to replace the non return flap?\u003c\/p\u003e\n      \u003cp class=\"dlflap-faq-a\"\u003eReplace it when debris falls out of the basket as the robot is lifted from the pool, when you see tears or stiffness in the rubber, or when the flap no longer sits flush against the intake opening.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"dlflap-faq-item\"\u003e\n      \u003cp class=\"dlflap-faq-q\"\u003eCan I install this flap myself?\u003c\/p\u003e\n      \u003cp class=\"dlflap-faq-a\"\u003eYes. Open the filter compartment, pull the old flap out of its slot, and press the new 9980891 in until it seats fully. No tools and no service call required.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n  \u003c\/section\u003e\n  \n\n  \u003cfooter class=\"dlflap-footer\"\u003e\n    Free Shipping\u003cspan class=\"dlflap-dot\"\u003e•\u003c\/span\u003e30-Day Returns\u003cspan class=\"dlflap-dot\"\u003e•\u003c\/span\u003eGenuine Maytronics OEM\u003cspan class=\"dlflap-dot\"\u003e•\u003c\/span\u003eAuthorized Maytronics Dealer\n  \u003c\/footer\u003e\n\n\u003c\/div\u003e\n","brand":"Maytronics","offers":[{"title":"Default Title","offer_id":44002157789249,"sku":"PST-DL9980891","price":13.3,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/PST-DL9980891.jpg?v=1780385369","url":"https:\/\/www.pstpoolsupplies.com\/products\/maytronics-9980891-dolphin-non-return-flap-m4-m5-wave-2010","provider":"PST Pool Supplies","version":"1.0","type":"link"}