I just had my 7 year old Water Tech Blue Diamond pool robot break down this year (my fault). The cord and the power supply/circuit board were fried. My fault for leaving outside all summer last year and UV causing leaks. Over it's 7 years of use, it didn't cost me anything to maintain. All tracks, bag and misc parts stayed in really good shape. I came here looking for advise and most of what I read was Maytronics this, Dolpin that.... with little else about others. Maybe a bit of Polaris, but I am confused why no love for Aquabots/Water Tech. So I ordered the S300i and have for 30 days. I have a mountain pond type vinyl liner pool, so my transition from flat upwards to the walls is very curvy. My Blue Diamond never had any issues, but the S300i left significant areas of no cleaning on these sloped walls. Even after brushing, the next cleaning and it would miss 30-40% of the sloped sides in the deep end. After talking to Maytronics, the indicated that they most likely had nothing that would work for me. Upon hearing that, I returned the S300i for a refund. I then began my search again, this time focusing on the family of robots from the Water Tech / Aquabots lines. I found a steal of a deal on an older model, the PB4000. Though the tech on this is of the same generation of the Blue Diamond, guess what? I tossed it in the pool and in one long cycle it took care of 100% of the pool, just like it's Blue Diamond predecessor.
Very pleased with my find and back to a cleaner that works for me and my pool, and at a $500 clearance price with 3 year warranty (or 400 cycles). The S300i works for most, even in my neighbors pool that we tested in (flat everything), but if you have some oddities, you have other options, so look around a little deeper.
Now if we could only have a stop in the rain in PA!
Very pleased with my find and back to a cleaner that works for me and my pool, and at a $500 clearance price with 3 year warranty (or 400 cycles). The S300i works for most, even in my neighbors pool that we tested in (flat everything), but if you have some oddities, you have other options, so look around a little deeper.
Now if we could only have a stop in the rain in PA!