{"product_id":"maytronics-us-inc-dolphin-pool-cleaners-99991053-usi-m400-deluxe-robotic-pool-cleaner-by-maytronics","title":"Maytronics US Inc. (Dolphin Pool Cleaners) 99991053-USI M400 Deluxe Robotic Pool Cleaner","description":"\u003ch2\u003eDolphin M400 Deluxe (99991053-USI) at a glance\u003c\/h2\u003e\n\u003cp\u003eThe M400 is Maytronics' heavy-duty corded Dolphin for deeper, larger in-ground pools up to 50 feet. Three brushes, strong 4,500 gph suction and a heavier build keep it on the floor and walls of deep ends, and the MyDolphin Plus app adds a weekly timer and spot cleaning. Because it plugs in, there's no battery to charge.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e floor, walls and waterline, with three brushes and waterline scrubbing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCycle:\u003c\/strong\u003e 2.5 hr default\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuction:\u003c\/strong\u003e 4,500 gallons per hour\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e plug-in power supply; no battery, no charging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable:\u003c\/strong\u003e floating cable with an anti-tangle swivel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApp:\u003c\/strong\u003e MyDolphin Plus over Wi-Fi: start\/stop, weekly timer and spot cleaning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiltration:\u003c\/strong\u003e top-access fine filter kit, plus an ultra-fine kit in the box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePool size:\u003c\/strong\u003e in-ground pools up to 50 ft long\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaddy:\u003c\/strong\u003e included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3-year limited (Maytronics)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"border:2px solid #0a7cc1;border-radius:8px;padding:14px 18px;margin:18px 0;background:#f2f8fc;\"\u003e\n\u003cp style=\"margin:0 0 6px;\"\u003e\u003cstrong\u003eOur pairing pick: add a Betta SE Plus solar skimmer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003eMost of what ends up on your pool floor starts out floating: leaves, pollen, bugs and dust. The \u003ca href=\"\/products\/bettabot-850080266069-betta-se-plus-robotic-pool-skimmer\"\u003eBetta SE Plus solar robotic skimmer\u003c\/a\u003e patrols the surface all day on solar power and catches that debris before it sinks. With the surface handled, the M400 has less to pick up, its filter fills more slowly, and you won't need to run it as often. The Betta has no cord, so there's nothing for the Dolphin's floating cable to tangle with.\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003e\u003ca href=\"\/products\/bettabot-850080266069-betta-se-plus-robotic-pool-skimmer\"\u003e\u003cstrong\u003eShop the Betta SE Plus →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eSee it in action\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMaytronics overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"position:relative;width:100%;padding-top:56.25%;margin:0 0 20px;\"\u003e\n\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/fcVYDSTc2DU?rel=0\" title=\"Maytronics Dolphin M400 overview\" loading=\"lazy\" allow=\"accelerometer; encrypted-media; gyroscope; picture-in-picture; fullscreen\" allowfullscreen referrerpolicy=\"strict-origin-when-cross-origin\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\"\u003e\u003c\/iframe\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eUnboxing (Maytronics)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"position:relative;width:100%;padding-top:56.25%;margin:0 0 20px;\"\u003e\n\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/ttjjFDm0KUs?rel=0\" title=\"Maytronics Dolphin M400 unboxing\" loading=\"lazy\" allow=\"accelerometer; encrypted-media; gyroscope; picture-in-picture; fullscreen\" allowfullscreen referrerpolicy=\"strict-origin-when-cross-origin\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\"\u003e\u003c\/iframe\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eUsing it: what to expect\u003c\/h2\u003e\n\u003cp\u003eCorded robots like the M400 don't have the charging limits of a cordless robot. You can run a cycle, rinse the filter and start another right away. A few things still matter:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSituation\u003c\/th\u003e\n\u003cth\u003eWhat to plan for\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNormal weekly upkeep\u003c\/td\u003e\n\u003ctd\u003eSet the weekly timer in the MyDolphin Plus app and let it run on its own, or start cycles when you need them. The 2.5-hour default suits most pools.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring opening \/ pool closed all winter\u003c\/td\u003e\n\u003ctd\u003eNet out the big leaves first and get the water clear. A winter's worth of debris fills the filter quickly, and a full filter cuts suction and climbing. Use the fine filter for heavy debris, rinse it between cycles, and run as many cycles as it takes. Because it's corded, you can run them back to back.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFine dust, pollen, silt\u003c\/td\u003e\n\u003ctd\u003eSwitch to the included ultra-fine kit once the heavy debris is gone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable tangles\u003c\/td\u003e\n\u003ctd\u003eThe swivel cuts down on twisting. Lay the cable out straight with no coils. If it does twist, unplug it and work the twists out starting at the robot end.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGetting it out\u003c\/td\u003e\n\u003ctd\u003eThe M400 weighs about 27 lb, more than most robots, so lift it by the handle (never the cable) and let the water drain at the waterline before hauling it out.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhere the power supply goes\u003c\/td\u003e\n\u003ctd\u003eAway from the pool edge, plugged straight into a GFCI outlet (no extension cord). Keep it out of direct sun and rain.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eRinse the filter, untangle and loosely coil the cable, and park the robot on its caddy out of direct sun between uses. Over a Minnesota winter, store the robot, cable and power supply indoors where they won't freeze.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCleaning cycles\u003c\/h2\u003e\n\u003cp\u003eThe default cycle is 2.5 hours and covers the floor, walls and waterline. Set the weekly timer, start cycles and steer spot cleaning in the MyDolphin Plus app. The M400 has no delayed start.\u003c\/p\u003e\n\n\u003ch2\u003eDolphin S2000 vs S3000 vs M400\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/maytronics-us-inc-dolphin-pool-cleaners-99996291-us-dolphin-s2000-advanced-robotic-pool-cleaner\"\u003eS2000\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/maytronics-us-inc-dolphin-pool-cleaners-99996292-us-dolphin-s3000-deluxe-robotic-pool-cleaner\"\u003eS3000 Deluxe\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003eM400 Deluxe (this model)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax pool length\u003c\/td\u003e\n\u003ctd\u003e40 ft\u003c\/td\u003e\n\u003ctd\u003e50 ft\u003c\/td\u003e\n\u003ctd\u003e50 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverage\u003c\/td\u003e\n\u003ctd\u003eFloor, walls, waterline, steps, sun ledges\u003c\/td\u003e\n\u003ctd\u003eFloor, walls, waterline, steps, sun ledges\u003c\/td\u003e\n\u003ctd\u003eFloor, walls, waterline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefault cycle\u003c\/td\u003e\n\u003ctd\u003e2.5 hr\u003c\/td\u003e\n\u003ctd\u003e2.5 hr\u003c\/td\u003e\n\u003ctd\u003e2.5 hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration\u003c\/td\u003e\n\u003ctd\u003eCombined filter + ultra-fine kit\u003c\/td\u003e\n\u003ctd\u003eMulti-layer + ultra-fine kit\u003c\/td\u003e\n\u003ctd\u003eFine filter + ultra-fine kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwivel\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApp (MyDolphin Plus)\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeekly timer\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaddy\u003c\/td\u003e\n\u003ctd\u003eNot included\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrushes\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years\u003c\/td\u003e\n\u003ctd\u003e3 years\u003c\/td\u003e\n\u003ctd\u003e3 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/robotic-pool-cleaners\"\u003e\u003cstrong\u003eSee all our robotic pool cleaners →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003e99991053-USI (Maytronics Dolphin M400)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e810071222016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePool type\u003c\/td\u003e\n\u003ctd\u003eIn-ground; rectangular, round, free-form, kidney\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePool size\u003c\/td\u003e\n\u003ctd\u003eUp to 50 ft long\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverage\u003c\/td\u003e\n\u003ctd\u003eFloor, walls, waterline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrushes\u003c\/td\u003e\n\u003ctd\u003eThree (standard and combination), active brushing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefault cycle\u003c\/td\u003e\n\u003ctd\u003e2.5 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuction\u003c\/td\u003e\n\u003ctd\u003e4,500 gph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration\u003c\/td\u003e\n\u003ctd\u003eTop-access fine filter kit; ultra-fine kit included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable\u003c\/td\u003e\n\u003ctd\u003eFloating cable with anti-tangle swivel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApp\u003c\/td\u003e\n\u003ctd\u003eMyDolphin Plus (Wi-Fi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScheduling\u003c\/td\u003e\n\u003ctd\u003eWeekly timer (no delayed start)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRobot weight\u003c\/td\u003e\n\u003ctd\u003eAbout 27 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRobot dimensions\u003c\/td\u003e\n\u003ctd\u003eAbout 16.8 × 16.2 × 10.7 in (L × W × H)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaddy\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3-year limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDolphin M400 robotic cleaner with floating swivel cable\u003c\/li\u003e\n\u003cli\u003eWi-Fi power supply\u003c\/li\u003e\n\u003cli\u003eFine filter kit, plus an ultra-fine filter kit\u003c\/li\u003e\n\u003cli\u003eCaddy\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCare\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRinse the filter after every cycle, before debris dries on it.\u003c\/li\u003e\n\u003cli\u003eSwap between fine and ultra-fine filters as the season changes.\u003c\/li\u003e\n\u003cli\u003eTake the cleaner out of the pool during shock treatments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to charge it?\u003c\/strong\u003e\u003cbr\u003eNo. The M400 is corded, so it runs whenever it's plugged in. You can run cycles back to back.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it clean on a schedule?\u003c\/strong\u003e\u003cbr\u003eYes. Set the weekly timer in the MyDolphin Plus app.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it good for deep pools?\u003c\/strong\u003e\u003cbr\u003eYes. Maytronics positions the M400 for deeper pools; its weight, three brushes and 4,500 gph suction keep it working the deep end and walls.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eM400 or S3000?\u003c\/strong\u003e\u003cbr\u003eBoth handle pools up to 50 ft with a caddy and 3-year warranty. The M400 brings a third brush and a heavier build for deep pools; the \u003ca href=\"\/products\/maytronics-us-inc-dolphin-pool-cleaners-99996292-us-dolphin-s3000-deluxe-robotic-pool-cleaner\"\u003eS3000\u003c\/a\u003e adds step and sun-ledge cleaning, a multi-layer filter and delayed start.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it work in an above-ground pool?\u003c\/strong\u003e\u003cbr\u003eNo. Maytronics rates the M400 for in-ground pools.\u003c\/p\u003e\n\n\u003cp\u003e\u003csmall\u003eAlso searched as: Dolphin M400, Maytronics M400 Deluxe, 99991053, Dolphin M 400 robotic pool cleaner for deep pools, corded robot pool vacuum.\u003c\/small\u003e\u003c\/p\u003e\n","brand":"Maytronics US Inc. (Dolphin Pool Cleaners)","offers":[{"title":"Default Title","offer_id":50848638435547,"sku":"99991053-USI","price":1799.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/8343\/5483\/files\/Dolphin-M400.webp?v=1793113749","url":"https:\/\/premierpools.com\/products\/maytronics-us-inc-dolphin-pool-cleaners-99991053-usi-m400-deluxe-robotic-pool-cleaner-by-maytronics","provider":"Premier Pool \u0026 Spa","version":"1.0","type":"link"}