The K2 Pumps 1/4 HP Automatic Submersible Utility Pump is fully automatic and drains water down to 1/4 in. Connect a discharge hose, plug it in, and walk away. This multi-purpose utility pump can be used to drain water from pits, sinks, window wells, basements, swimming pool covers, boats, flat roofs, or other flooded areas. The flexible rubber impeller helps prevent clogging and handles up to 1/8 in. spherical solids. The pump is fully submersible and automatically turns ON when water reaches 1-1/4 in. and OFF at 1/4 in. water level. Maximum lift of 28 ft.