The pump was purchased with the purpose of working in wells every summer when we visit our country house. The official warranty is 2 years. It broke down within the warranty period, causing the relay to trip, and after it was sent to the supplier, the final conclusion was that due to voltage fluctuations from the DEI network, a coil of the pump was damaged. It goes without saying that we have no problem with the DEI network (voltage drops - overvoltages) and this was a cheap excuse not to be replaced within the warranty. From what I learned, this particular pump is Chinese and cannot be repaired, so if it breaks, it's garbage. Completely disappointed...