Easy to remove and clean filters
Thoroughly cleans pool
Has handy storage caddy
Less effective on curved surfaces
Reviewer Photos & Videos
You can't beat a Maytronics Dolphin M400 robot to clean your pool
We recently purchased the Maytronics Dolphin M400 with trolley for our pool. Easy to place into the pool, turn it on, let the robot do its thing, lift out of the pool, clean the filters and tuck it away until needed again. One of the best inventions EVER!
Purchased in November 2021 at Billabong Pool Service for $2,400.00.
A good pool cleaner for custom pebblecrete pool.
I've had the M400 for over 1 year & it has performed adequately for our custom kidney shaped pebblecrete pool. The M400 can usually clean the pool within 1 session, unless we've had a storm and there is more debris present requiring an additional cleaning session.
The unit is easy to clean & the filters can easily be removed for cleaning.
The only complaint is the fine filter panels are easily broken, particularly the lower lugs that connect into the frames when too much debris is captured. They seem inadequate for the pressure of material a...
Purchased in June 2019 for $2,000.00.
Makes the resort lifestyle easy!
What a great cleaning unit the Dolphin M400 is! Easy to use, easy to maintain and it has its own trolley to relax in when it’s not hard at work cleaning the pool.
Gets right up to the waterline and steps.
Purchased in August 2020 at Placid Pools Smithfield.
Seems like a winner
Early days but very impressed so far. Picks up much more than our previous suction cleaner. Seems very easy to operate and emptying the waste compartments is an absolute breeze
Purchased in June 2020.
Amazing Product M400
I purchased my Matronics M400 yesterday from Brisbane Pool.
My previous M400 had died after 7 years of solid service without ever having one fault. My new M400 is perfect and does such a wonderful job keeping my pool sparkling clean. I have lots of trees and leaves, but this model is absolutely perfect and does a wonderful job cleaning floor, walls and waterline. Its a really good quality build and I would recommend anyone to buy this model.
Purchased in May 2020 at Brisbane Pool Robotics.
Great cleaner that reduced cleaning needs
Easy to use, simple to clean filters, just plug in and it does the job, in addition cleans the walls as well, removes fine debris from floor and walls. Good warranty as well
Purchased in April 2020 at Pool and Spa Direct.
Never have seen the pool so clean in my life!
I've been using a suction pool cleaner for a while, and I've gone through about 5 of them. They're annoying to operate and restrict the features of your pool's pump system. I then came across the Maytronics Dolphin M400. It was the first time I'd seen a robotic pool cleaner in action, and I thought it was pretty amazing. I took a free demo and was amazed to find my pool sparkling clean when it was finished. The robot isn't cheap, but it's worth it. I highly recommend this product.
Purchased in February 2020 for $2,000.00.
I love our Dolphin, can't live without it!
We had actually ordered a different robot pool cleaner when we built our pool until my friends told us about the Dolphin. They had done a lot of research, so we decided to change to the Dolphin Supreme M4 and I'm so glad we did!!! It climbs the walls and spends a couple of hours vacuuming the pool, we usually chuck it in the water at night after we've finished swimming and it goes about it's job cleaning the pool so we get up in the morning and it's sparkling clean, ready for us to swim!
It's a fantastic product that cuts out soooo much of the work of owning a pool. I now recommend the dolphin to everyone I know who owns a pool!!!
Purchased in February 2015 for $2,500.00.
Our pool looks amazing with minimal effort!
The M400 is easy to use, the filters are easy to clean, it’s runs for 2 hours straight, it climbs the walls of the pool to the top lip, it even cleans our spa including the straight edge seats! It’s perfect for people who don’t have hours to waste on cleaning, worth every cent!
Purchased in March 2019 at Traralgon heating for $2,100.00.
Great pool cleaner it does what it suppose too and leaves my pool nice and clean when finished ( glass pebble)
I usually leave the fine debry basket in as my pool gets alot of dust & settles to the bottom, this Dolphin cleans it right up no worries!
What would of been nice on this model is an app to control manual navigation/ cycle time/ and clean modes, should be a standard thing on this model range.
Happy with my Dolphin M400.
Purchased in February 2018.
Love my Dolphin!!
My Dolphin M400 has been life changing - no more untangling the old robot driven by the booster pump and no more manual vacuuming! Easy to use, covers every part of the pool floor and picks up everything the gum and jacaranda trees can throw at it.
I leave the super-fine filters on there all the time and they’re great for collecting everything from big bits down to the fine sediments that get blown into the pool. The pool is kept nice and clean by running the Dolphin once a week and it’s east to flush out afterwards - the filters pop out and can be hosed down. Note it is a heavy unit though, especially when you first lift it out and it’s full of water.
Overall I’d highly recommend if you’re in the market for a new robot!
Purchased in February 2019.
Great robotic pool cleaner
Our pool builder recommended to use a robotic pool cleaner on handing over the pool. They in fact brought in Robotic pool cleaner (Non-Maytronic product) and demonstrated. During the demonstration (~2 hours) at least three times the robot toppled over and stopped working. Later we had a demonstration of M400 by a rep from Maytronics Australia agent. M400 was far superior to Non-Maytronic robot. We’re very happy with our decision. It is a great small tool which makes our life much comfortable.
M400, runs for about 2.5 - 3 hours. (time – nonadju...
Purchased in February 2019.
No sick days or personal time required
After deliberating long and longer, it seemed that all roads and opinions led back to the Dolphin. If you want the Rolls Royce of pool cleaners, then this is the one to get. The local distributor was kind enough to come on up and demo it for me, and after seeing the M400 in action, I just bought it. Now, if you are like me, then $2,000 for a pool cleaner just seamed way too much, to spend. At first, there was no way I could justify it, but I have to say, no regrets.
It is made very well and performs equally well. It is supplied with a set of...
Purchased in February 2019.
Works well. Good customer support.
We bought an M400 after getting a demo by our local pool shop. Right from the start our unit had trouble as it would get caught on the lowest step in our pool. After some back and forth between ourselves, the pool shop and Maytronics, Maytronics provided a set of different side covers and the cleaner has been performing perfectly since. It now does a great job of picking up dirt and debris from the pool. Recommended.
Purchased in July 2019 for $1,950.00.
Sensational cleaning machine
We purchased a home with a pool of around 50,000L and no pool cleaner. Not knowing much about how pools operated, we engaged the local pool shop who were supportive and sold us a machine that looked like a stingray and didn't really work leaving soot on the floor and other debris. I spoke with friends in Qld who have the M400 and swore by it, so I contacted Maytronics, had a demo of the M400. Unbelievable machine, simple to use, easy to clean and does what you expect. Our pool floor has never looked better. A free demo, cost nothing, give it a try.
Purchased in February 2019 for $2,100.00.
Questions & Answers
My Dolphin M400 doesn't go up the Wall, I have the Handle diagonally positioned as per the Pool shop advice. I brought it back to the Pool shop and they tested it and they said it's working as long you have the Handle diagonally set. it went up the Wall only once in 2.5 Hr, that's all. My Pool is Pebblecrete.
Can you help Please.
Hello Alfie. Thank you for reaching out.
Wall climbing models of Dolphin, inclusive of the M400, are programmed to climb to the waterline every four minutes. if your Dolphin is experiencing difficulty climbing, the following is recommended:
- Thoroughly rinsed the filters under a tap or, soak in cartridge cleaner or a mild dishwashing detergent and warm water solution to assist in the removal of in-grained debris.
- If the unit is attempting to climb, brush down the walls and/or slope down manually to loosen any build up. The Dolphin should then be able to grip these surfaces and maintain them on its own going forward.
-Water chemistry levels and pH levels that are out of recommended range can prohibit the unit from climbing to the waterline. This is due to the surface becoming slippery and the robot is then unable to gain grip/traction. A full water test and the pool balanced is recommended. Following this, brush down of the surfaces to shift any slipperiness.
Please do not hesitate to contact our Customer Care team on 1300 693 657 option 2 for any further information.
Hi recently purchased a M400, can someone confirm the M400 can be set to clean the floor or walls only
I’m using the my dolphin plus app and can’t see any options to switch programs to floor only
Hello Shane. Thank you for reaching out. To change the cleaning mode of your Dolphin, this is located within the My Dolphin Plus application under mode or cleaning mode.
Yes tried that the actual app doesn’t have options just 2.5 cleaning cycle
If you have a direct email I’ll send some screen shots but your app has been updated and since then we have no options to clean floor only
Hello Shane. Please send any screenshots and also the serial number of your Dolphin to our team at firstname.lastname@example.org
Hi i have a new m400 wb, thru the app can you tell robot to concentrate on the walls cheers steve
Hello Steve. Thank you for reaching out.
Within the My Dolphin Plus application there are are options to set the Dolphin to Regular Mode, Floor Only and Ultra Clean cleaning modes. These modes do not have the option to solely focus on the walls however, if the walls are manually brushed down, the Dolphin should collect anything on the pool floor.
Get an answer from our members and Maytronics representatives
- The Maytronics Dolphin M400 is a robotic pool cleaner that is designed to deliver a deep clean.
- It has 3 brushes and super scrubbing power to pick up fine debris.
- The pool cleaner is able to be programmed, so you can schedule weekly cleanings and spot clean at the push of a few buttons through the MyDolphin Plus App.
- A tangle-free swivel allows the cleaner to move freely around the pool, making for a precise clean.
- This product has a 36-month limited warranty.
Points of praise:
- Most reviewers found that the cleaner’s filters were easy to remove and clean.
- They also found that it thoroughly cleaned their pool, and was able to pick up fine dust and debris that other cleaners could not.
- Reviewers also appreciated the storage caddy for the cleaner, saying that it was handy to keep the cleaner tucked away when it wasn’t in use.
A point of pain:
- Some reviewers found that the pool cleaner didn’t perform as effectively on curved surfaces - some people with kidney-shaped pools noted that it didn’t cover and clean the whole surface area of their pool.
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