View on LOZ Suggested Retail: $62.99. Sump Pump, Prostormer 1 HP 3700 GPH Submersible Clean/Dirty Water Pump with Automatic Float Switch for Pool, Pond,Garden, Flooded Cellar, Aquarium and Irrigation (Orange). When you put the float switch locked on the sump pump, the sump pump will keep working all the time. Once the pump can not pump any water, you should cut off the power immediately to prevent the coil from getting burned. The float switch should be unlocked from the pump. When the water level rises above the pump, the pump will start working automatically under the control of float switch. When the pump fails to pump water, it will automatically disconnected the power.. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.