The embedded swimming machine (single pump) is mainly used as a kind of equipment to realize the endless swimming in the integral FRP swimming pool. It is driven by 2.8KW motor, and a fluid director is designed in the outlet, so the water flow is stable and powerful. The swimming machine runs smoothly without noise. The motor and the water pump are completely electrical separated safely and reliably. Adjustable speed in 8 grades is available. The installation flange is connected with the screw of the swimming machine, which is convenient for maintenance.