Tsurumi's sump pump series UT / UTZ Series are compact and economical semi-vortex submersible cast iron pump. It is designed for a wide range of applications, such as transferring wastewater between storage tanks, draining sewage from factories, home residences, hotels, resutaurants, and pumping water run-off containing solids. Both manual operation (UT) and automatic operation (UTZ) versions are available.