Brand New Sump Pump, 1HP Submersible Electric Water Pump with 3700GPH Automatic Float Switch for Pool Draining Hot Tub Flood Drain and Irrigation. Kindly Tips : When you start use the pump you must be submerged into the water at a slight angle to allow the remaining air to escape. Kindly TipsThere is an air vent on the pump so when the pump is working, there will be water leaking out from here, this is a normal phenomenon Its not that the pump is damaged. Muti Outlet Water:There have 3 different outlet (1 inch, 1-1/4 inch, 1-1/2 inch), can choose from according to the flow rate, The bigger the flow is, the wider the outlet should be. Suitable for ponds, swimming pools, sprinkler systems, irrigation systems, gardening, rain buckets, flooded basement, large aquariums. Auto Float Switch: When the water level rises above the pump, the pump will automatically start working under the control of the float switch. When the water level is below the pump, you should lift the float for pumping. Note: Once the pump fails to pump water, you should immediately lower the float switch or cut off the power. Otherwise, it will cause the coil to burn out. High – Quality Material:The sump pump features a durable sealing structure and the durable thermoplastic body keeps the pump from corrosion. All our products are brand new and sealed. We take our reputation seriously.