The Little Giant Model 500-APCP Pool Cover Pump removes water from your pool cover effortlessly. Totally submersible and equipped with low-water intake, you'll be sure to pump water out efficiently and completely. Its solid switch design automatically senses water levels and helps prevent damage to the cover pump by activating the pump when the water is at 2-3/8" and deactivating it when it reaches 1-3/8". The Little Giant Model 500-APCP Pool Cover Pump takes up minimal space and has the capability of pumping out water at 470 gallons per hour. No job is too big for this Little Giant Pool Cover Pump.