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Dolphin S300

Deluxe Class

Add convenience to your pool cleaning with the Maytronics Dolphin S300, which offers advanced features such as multi-layer filtration. This Maytronics Dolphin Robot’s options include regular cleaning mode for a full clean in two hours or fast mode for efficient cleaning in half the time.

Dolphin S300 Feature - Active Brushing
Active Brushing

Scrubs away algae and bacteria while collecting find and rough debris

CleverClean Technology

Advanced scanning ensures complete pool coverage in 2 hours or less

Easy Clean Filtration

Remove filter basket to simply rinse & reload.

Lightweight Design

Lightweight, ergonomic design is easy to lift and handle - only 16.5 pounds

Questions & Answers

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  • Question
    Why can’t I access all the features on the power supply?
    Answer
    The power supply is a universal unit for multiple Dolphin cleaners. Your Dolphin is programmed with specific features for your individual Dolphin cleaner.
  • Question
    What are the voltage requirements for the Dolphin power supply?
    Answer
    The Dolphin requires a standard 120v outlet for power.
  • Question
    What are the plastic wrappers around the white foam climbing rings?
    Answer
    These are to protect the climbing rings during shipping. Please be sure to remove before the initial cycle.
  • Question
    What are the ideal operating temperatures for my Dolphin cleaner?
    Answer
    Dolphin robotic pool cleaners are best used in temperatures between 43 and 93 degrees.
  • Question
    Should I remove the Styrofoam from the motor unit?
    Answer
    No, do not remove, this is not packing material. These help the Dolphin with buoyancy within the pool.
  • Question
    My white climbing rings are dented, are they damaged?
    Answer
    No, the indentions on the rings are normal and due to the product settling during shipping. The rings will reshape once saturated with water.
  • Question
    How do I remove the Dolphin from the pool?
    Answer
    Using the floating cable, pull the robot to the edge of the pool. Grab the handle and remove the robot from the water. Do not pull the robot out of the water using the cable. Place the pool cleaner on the side of the pool to allow the water to drain.
  • Question
    How can I get a manual for my Dolphin?
    Answer
    To view the manual for your Dolphin, please visit the link below.
    http://manuals.maytronics.com/
  • Question
    Does the Dolphin pool cleaner ‘learn’ my pool?
    Answer
    No, the Dolphin pool cleaner performs a new mapping sequence on each cleaning cycle.
  • Question
    Is my Dolphin "remote controllable"?
    Answer
    Yes, this Maytronics Dolphin robotic pool cleaner has access to the Manual Drive (joystick) via the MyDolphin Application. Please visit the App store via your Smart Phone and search keyword Maytronics. Download the App from the App store, launch the app and follow the prompts. Compatibility: Android version 4.3 or later; Apple iPhone 4S or higher/ starting at version 6.0 operating system. Requires connection with 3G/4G network with a minimum of 60% signal strength. Bluetooth feature must be enabled on the phone.
  • Question
    Does my Dolphin have Bluetooth Capability?
    Answer
    Yes, this Dolphin robotic pool cleaner has Bluetooth capability.
  • Question
    Can you use this cleaner in an in-ground pool?
    Answer
    Yes. The this Dolphin robotic pool cleaner is designed for the in-ground pool application.
  • Question
    Can you use Dolphin cleaners in hot tubs or ponds, etc.?
    Answer
    No, the Dolphin is not designed to clean hot tubs or ponds.
  • Question
    Can you leave the power supply out in the weather?
    Answer
    The power supply is water resistant but not waterproof. Please cover the power supply if inclement weather approaches. Do not leave the power supply in standing water. Do not allow the power supply to be submerged in the pool.
  • Question
    Can you leave the Dolphin in the Water?
    Answer
    It is safe to leave your Dolphin cleaner in the water when not in use. However, (when adding chemicals to the pool) please remove the Dolphin until the proper chlorine and PH balance are obtained.
  • Question
    Can I use my Dolphin pool cleaner with an extension cord or surge protector?
    Answer

    The Dolphin is not designed to be used with an extension cord. There are many different types of extension cords and we do not recommend using one. However, it is safe to use a surge protector with the Dolphin. This will help protect the Dolphin from surges in power such as thunderstorms.

  • Question
    Can I use my Dolphin in an Infinity pool?
    Answer
    Not all Dolphins are suitable for infinity pools, please contact Maytronics directly or your local Dolphin retailer for information regarding the models that are suitable for this pool type.
  • Question
    Can I use a Dolphin pool cleaner with my fiberglass or vinyl pool surface?
    Answer
    Yes, the Dolphin is suitable to use in fiberglass or Vinyl pool surfaces.
  • Question
    Can I purchase a Dolphin pool cleaner online with warranty service?
    Answer
    Maytronics offers several pool cleaners both via brick and mortar stores and via internet dealers that include warranty rights. Please refer to the ‘Residential pools’ section of our website for our product listings.
  • Question
    Can I purchase a Dolphin pool cleaner and use it abroad?
    Answer

    Dolphin pool cleaners purchased in the United States must be operated in North America in order to retain the warranty rights. Using any Dolphin pool cleaner outside of North America (that is purchased in the US) voids the warranty service agreement.

  • Question
    Can I leave the power supply unit outside in the elements?
    Answer
    The power supply unit is an electrical device which must be protected from the elements. When in use the unit needs to remain dry. Do not submerge the power supply unit in water as this will damage the internal components.
  • Question
    Are Dolphin pool cleaners safe to use when I'm swimming in my pool?
    Answer
    Dolphin pool cleaners are safe to use for the general public, however, (for safety precautions) we do not recommend swimming while the cleaner is in use. We also do not recommend leaving the cleaner in the pool for long extended periods of time.*

     

    *Please note the pool cleaner may stay in the water when using features such as the weekly timer for automating cleaning when you are away from your home.
  • Question
    Does this model have Bluetooth capability?
    Answer

    Yes, the Dolphin cleaner has access to the MyDolphin Application. Please visit the App store via your Smart Phone and search keyword Maytronics. Download the App from the App store, launch the app and follow the prompts. Compatibility: Android version 4.3 or later; Apple iPhone 4S or higher/ starting at version 6.0 operating system. Requires connection with 3G/4G network with a minimum of 60% signal strength. Bluetooth feature must be enabled on the phone.

  • Question
    How can I obtain service for my Dolphin cleaner?
    Answer

    Please contact your original dealer of purchase for warranty service, if you dealer does not offer service please contact the Maytronics Corporate location via our toll free number at 888-365-7446 or simply us our ‘Contact Us’ page on our website.

Customer Reviews

Dolphin S300 Pool Cleaning Robot

Based on 13 reviews

Share your thoughts!

4.23 out of 5 stars

13 reviews

Let us know what you think...

What others are saying

  1. Phil

    4 out of 5 Great...But the Cord

    Phil

    I purchased the S300 a year ago for my inground pool. This Dolphin works great as long as I keep the coord from the robot to the controller tangle free, which is an enduring feat for me. I pull it out of the pool constantly trying to untangle for it to only go back to the big mass of tangles after the next use. Great at picking up debris from the bottom of the pool.

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  2. ThriftyOne

    5 out of 5 Best Cleaner Ever

    ThriftyOne

    This is the best pool cleaner ever. I like the idea of how it operates. It is heavy. But that’s what the grandkids are for- lifting. I turn it on through the IPad app. Then at the end of the day, it gets pulled out and I rinse the filter. It doesn’t get much easier than that.

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    • Maytronics US

      Maytronics US

      We are excited to hear that your Maytronics Dolphin S300 exceeded your expectations by being the “best cleaner ever.” We strive to offer every customer an exceptional experience. Thank you for being a valued Maytronics customer. We wish you and your grandkids a happy pool season!

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  3. Keith Kiraly

    4 out of 5 I have 2 Dolphin 5300"s

    Keith Kiraly

    I purchased 2 Dolphin cleaners at one time. I have 2 pools at 2 homes in different states.
    I maintain them myself. One is salt and one is chlorine.
    I have had them for about 9 months so far.
    I will say they clean very well. I do not leave them in the pool for days at a time. Once the pool is clean I remove them. Cleaning the basket on the machine is a breeze.
    I do have to make sure that the cord does not get wound up in its self.
    Sometimes it gets hung up on my steps or the shallow area for my lounge chairs.
    Other that that I think it is a great machine. No mechanical issues so far.

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    • Maytronics US

      Maytronics US

      Keith, We are extremely pleased that both of your Maytronics Dolphin S300 cleaners provided you with an exceptional experience. Thank you for being a valued customer. Have a happy pool season!

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  4. Tony Jaschke

    5 out of 5 Outstanding pool cleaner

    Tony Jaschke

    Expensive, but worth the investment to minimize your cleaning time and maximize your pool time. We have a Barrier Reef Fiberglas in-ground pool. The pool has plenty of curves and free-form steps. This cleaner cleans everything. I typically operate it on the 2 hour cleaning cycle and that is all it takes. I use the app to setup the cleaning cycle schedule so it cleans while we sleep. Like mentioned in other reviews it cleans up the worst of Fall leaves, but count on cleaning out the filter basket frequently, which couldn’t be easier. The cable does get twists in it at times but that is easy to remedy by disconnecting the cable from the controller and untwisting it and reconnecting it. I highly recommend this pool cleaner!

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    • Maytronics US

      Maytronics US

      Tony, We are extremely pleased that your Maytronics Dolphin S300 cleaner provided you with an exceptional experience. Thank you for being a valued customer. Have a happy pool season!

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  5. Michael Deitch

    4 out of 5 Cleans great. Not reliable. Keeps malfunctioning.

    Michael Deitch

    Dolphin S300 robot is back at pool store for the second time in 6 months. Repairs are covered by warranty thankfully. Pool store (Tucson Pool and Spa) very kind to provide a loaner unit while waiting for parts, again, from Atlanta. Tucson Pool and Spa is the best pool company in Arizona. Hope to get my unit back this week.

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  6. Kasey Gannon

    3 out of 5 Does a good job, but........

    Kasey Gannon

    This robot does a great job of keeping our pool bottom and water line clean. Easy to clean the filters. My 2 issues:
    1. The cleaning cycle only lasts about 3 hours, so I have to remember to go back out and start it again to finish cleaning the pool.
    2. The cord is horrible. It does not have a swivel where it connects to the robot so it is constantly tangling/knotting up and when you try to wind it to hang on the stand you have to constantly flip/turn the cording.

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  7. Kevin

    5 out of 5 Dolphin S300

    Kevin

    The Dolphin S300 works great. I love the basket and its screens are easy to clean. It can get overwhelmed with leaves so if you have a lot in your pool, plan on emptying it a lot. it does a great job on the water line and doesn’t seem to get caught up on anything. The caddy is very convenient and it is simple to use.

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  8. Al

    4 out of 5 A Unique Device

    Al

    We purchased the S300 to replace a suction cleaner that slowed down as the filter filled up. In order to keep the suction cleaner running we had to throttle down the skimmer and turn off the bottom drain even when the filter was clean. The S300 is completely independent of the filter and circulation system so can clean even if the pool pump is off or the filter is dirty. A great benefit, too, is we can run the skimmer at full throttle which helps keep the surface a lot cleaner. So, summarizing my thoughts:
    Pros: The S300 runs independently of the pump and filter system. It can be set to run for 2 hours and cleans the sides; or 1 hour to just vacuum the bottom. It can be set to run every day for a 5 day period after which it has to be reset (urges you to clean the unit). Very easy to clean with a removable basket that is easy to hose off, unlike many robots that have pleated filters. The basket gives two choices, very fine mesh screens or a filter material. I use the screens. The bluetooth feature lets me clean areas it misses if I have the patience to run it. I often just run another cycle.
    Cons: The unit does not have a memory so isn’t able determine if it covers the entire bottom. It often leaves patches of debry untouched, especially along the base of the walls. (The suction cleaner ran all the time so it kept the bottom cleaner, but it also left patches untouched). To be fair, we only use the 1 hour cycle because the coaming of our pool is concrete. When we run the two hour cycle it rises up the wall and the rubber brushes churn against the concrete coaming so we fear it will eventually tear the brushes up. The power supply has to be near an outlet so the cable connecting the power supply to the unit lays on the pool deck. As it cleans the rubber brushes tend to stir up the lighter particles so they don’t all get sucked into the machine. The blue tooth option is rather rudimentary. It gives good fore and aft control but there is no real steering function. To turn it you have to patiently wait for the water jets in the unit to tilt the unit and push it sideways to pivot it and hope it lands in the direction you want.
    Summary: Not a perfect machine but it serves our purpose better than the suction cleaners. Have not regretted purchasing this unit and have yet to talk to someone who has one that performs better.

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  9. Steven Cohen

    5 out of 5 Fired my pool guy

    Steven Cohen

    Product works great.Ive fired my pool guy.The original app had a great update.Can set different modes from my smartphone.
    It gets the pool clean !!
    I have to untangle the cord once in a while but not a big deal.

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  10. Ken

    5 out of 5 My Dolphin

    Ken

    I love my Dolphin 300.
    I tried other pool robot cleaners but they were too heavy when lifting out of the pool.
    The 300 is also easy to clean the filters.
    Only negative is that the cleaner is a bit too pricey

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  11. Robert Charbonneau

    2 out of 5 Dolphin S300

    Robert Charbonneau

    Not very happy with this machine. I’m on my second controller and third motor. The original motor seemed to be the quickest till it died. This latest motor is painfully slow going forward and fast in reverse. It takes about 3 hours to clean our 18′ x36′ rectangular pool and there will still be stuff on the bottom.
    The clean out is nice and so far cord tangling has not been a problem.
    The worst part has been dealing with service and getting through to the right people… very confusing.
    Interesting enough everytime we get a new motor all the cleaning functions work (extended clean cycles etc…) and then after the first use it goes back to the 1 hour or 2 hour limit. If the unit actually cleaned the pool in 1 hour this would be fine but when you have to restart it every hour for 3 hours to get the pool relatively clean it’s a pain. It would be nice if the same software was standard on all the machines.
    Not that the warranty is almost over I am not looking forward to the future of this unit.

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  12. Joshua

    4 out of 5 Satisfied overall

    Joshua

    Pool robot cleans the pool pretty well, although definitely only gets the waterline in a few spots. The cord failed for me after 6 months but they replaced it under warranty. The remote control app doesn’t work at all and is completely useless. But overall is really does clean the pool well and is very easy to empty so I am satisfied.

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  13. Craig Williams

    5 out of 5 Dolphin S300

    Craig Williams

    The cleaner does a thorough job cleaning the entire pool, even the water line. I purchased the cleaner when they were running a $75 rebate promotion. Filled out and mailed in the forms and followed up with emails as I was completely ignored by the company. Don’t expect the rebate. Makes me worry if something goes wrong with the cleaner in the future.

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Dolphin S300

Deluxe Class
Model #99996221-USW

Dolphin S300 Pool Cleaning Robot
Cleaning CoverageFloors, Walls, Waterline
Automated Weekly TimerYes
Caddy IncludedIncluded
Weight16.5 lbs
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