(2024 Model) Explorer E40 Wi-Fi Robotic Pool Vacuum Cleaner Pools up to 50 FT - Waterline Scrubber Brush

This is the best reasonably priced, corded, in-ground pool vacuum available. We had another, more expensive brand, which would miss parts of my pool, even after three cycles. The Dolphin E25 model is basically plug and play. I didn't need to use the associated app, and it works great. It has two filter boxes, does a great job on the pool floor and sides, and doesn't get stuck on stairs. It's easy to clean and filters about 4500 gallons per hour, much more than most cordless models, which typically lose battery life after a season. The cord is 51 feet and makes it easy to pull in when it finishes. Very happy with this purchase.

Last summer was the first year I had the pool robot it worked great. This summer 2024 our second summer with the robot and still works great. It works so well I am questioning the need for the pool company I hire every summer. My pool is 20’x40’ and it does a great job cleaning it. The picture are for today July 2nd, we had fireworks at the house which left a massive mess in the pool. I turned on the Dolphin to start cleaning after the fireworks, then the normal 5 am clean this morning. I was so surprised as to how clean it was when I woke up. Still some debris in the pool but I think that is all due to the wind blowing it in to the pool from the grass during the day. I am also on the second season with my Betta (surface skimmer) these two in conjunction keep my pool super clean. I must say I find the Dolphin filter to be way better than my sand filter! I am a big fan of pool robots!!!

Yet another update: The second power supply has now failed. The first symptoms of the failure were that it had apparently "lost" its configuration and had to be re-adopted/re-connected to my WiFi network, the same as if it were a brand new unit. It lasted for 1 cleaning. The next time I tried to use it, it was in the same state only that time, despite attempting to re-connect it a half dozen or more times, it would not successfully connect to my Wifi network. Mind you, the power supply itself when in use sits less that 30 feet away, line of sight, from an outdoor Ubiquiti Unifi Pro access point that's also supporting multiple WiFi cameras that are several hundred feet away and are all working fine, so it's not a WiFi signal problem. Maytronics continues to pretend that they're not aware of chronic wide-spread problems with these power supplies. Revising this review again. I now truly regret this purchase and wish I have never seen this thing. Here's the latest: It's about a year old at this point, still in warranty. So far we've had one power supply go bad. It took a long time to get a replacement because they were out of stock. I assume because so many of them fail. I just dropped off the whole system at UPS to ship for more warranty work. Now we get nothing but error messages saying that the controller can't communicate with the robot. After talking with support they decided I needed to send the whole thing in (at my considerable expense) to the repair center in Georgia, still under warranty. Here's the telling part: As soon as I walked into the UPS store with that huge box, the counter person said, "That's a pool robot, isn't it?". Says I, "Yes, how did you know?" Counter person, "Because we get a LOT of those." All Maytronics? "Yep". Don't get me wrong, when it works it works really well, but with two big problems still under warranty and the initial cost, I tell you that dumb, simple pressure side Polaris we got with the pool is looking hard to beat. Further update: Checking the UPS tracking told me it arrived at their facility 7 days ago, yet I've heard nothing so I contacted them for a status. Here is what I was told: "• I see that your unit was delivered on 9/25/24. The unit has not been received in the system yet. Receiving is one week behind due to a surge of units coming in needing repairs. The turnaround time is 2-3 weeks after being received in the system. We appreciate your patience during this time. Once repairs are completed the unit is shipped back to you and a tracking email is sent. They also send an email letting you know when the unit is received in the system." So their receiving is at least a week behind, and service is at least 2-3 weeks behind. Why? Because of the number of units that have had problems severe enough to require them to be sent in for service. To quote a friend of mine: " It's h*ll when it's well, but it's sick ALL the time!" Original revision: After having lived with it for about a year now, I'm revising my review. Performance-wise, it works very well and I'm happy with the job it does. HOWEVER: Slightly less than 12 months in, the power supply has completely failed and will not power up at all. Contacting customer support, they agreed to ship me a new power supply with almost no questions asked. In fact it was SO easy that now I'm thinking that Maytronics must already be aware that their power supplies are plagued with frequent failures, especially considering some verbiage I found on their web site about the process for dealing with power supply problems. Also, although the robot itself can be operated without an internet connection or with their app on a smart phone, most of the features are not available without one or both of these. For instance, you can't set up a cleaning schedule, you can't alter the type or the duration of the cleaning cycle, you can't manually "drive" the robot around, and you can't get feedback about the condition of the filters. Their default mode of operation requires an active internet and wifi connection as well as a connection to the Maytronics servers. It's possible to switch the robot to communicate with the phone app over bluetooth, but that option is somewhat hidden in the menus and even in that mode, it's not clear whether or not the system still communicates back to Maytronics. (I could find that out via a Wireshark trace but so far, I haven't cared enough to do that.) I'm still happy with how well it cleans, but the "other stuff" above is now more of a concern to me personally. Original review: We have a large-ish 40,000+ gallon pool Likes: Does a thorough job. Filters relatively easy to clean. Being attached to a cable as opposed to wireless may seem like a con, but it means the suction motors can be stronger and more powerful than they could be if it were 100% wireless which means it does a good job. Climbs/cleans walls and cleans the waterline very well. Dislikes: The Android app used to control it does not have an 'exit' function. You can dismiss the app by using the 'home' button on your phone but the app will continue to run in the background which means it's still consuming memory and battery (and possibly sending who knows what information back to the Maytronics servers). To completely exit the app and stop it, one has to use the phones "force stop" function. (This is probably true of all Dolphin robot cleaners). When I reported this behavior to tech support, they seemed unconcerned and not willing to fix it so now that I know, I always just force stop the app when I'm done.

So far so good. Had no issues setting it up and getting it connected via the app. It is running on a schedule which works great. It has been doing a great job of getting all over the pool and I have not noticed it miss any areas yet. A big plus for me was that has not been getting stuck on my two main drains like my previous cleaner constantly did. This cleaner appears to go right over them with ease. Easy to retrieve and clean out the filters. It does appear to get all the way up to the waterline, which was not important for me, but a nice addition.

This is our 9th robotic pool cleaner and have had issues with all. The 2 Wybots being absolutely horrible. The three major issues with the Dolphin is: it is tethered, very heavy and the power supply. It is so heavy that it's very difficult for my wife to handle the cleaner. The power supply can't be in direct sunlight and must be vented. Most pools are outside and think this is a significant design flaw. Lastly, they've done Nothing to improve wifi connectivity. It ONLY runs on 2Ghz and if your signal isn't maxed you will have connection issues. The good: it cleans well.