I am in the process of replacing my Polaris 380 with booster pump with a robotic after using for 8 years. The only reason I am replacing it is that the booster line cracked under the concrete and it was going to cost me about $600 to fix the line. The unit works great and I have only replaced the belts on it in 8 years of service. They make a great product. It does not do everything the robotics do, but it is a good product that served me well for 8 years.