New generation energy saving water supply equipment. Mainly used in high-rise buildings no tower water supply, fire deep well pump constant pressure water supply according to the real-time water condition of closed-loop control of pump speed occasions by well-known brands of inverter, intelligent controller, a pressure sensor and a water pump to form a closed loop control system. Multi pump control, pipe network pressure stability, improve the quality of water supply, reduce the two pollution, high power saving efficiency, can realize unattended without tower water supply automatic control system.