| 摘要 |
A system for use with a swimming pool, the swimming pool including a basin, and, a pump for pumping water out of the basin via an outlet and for pumping water in to the basin via an inlet, the inlet and outlet being in fluid communication via a piping system; and the system including: a sensor for sensing when flow of water between the outlet and inlet is impeded during operation of the pump; and a first switching means operatively connected to the sensor whereby the first switching means is adapted to automatically deactivate operation of the pump when the sensor detects an obstruction in the flow of water between the outlet and the inlet.
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