Utilitech 1-HP Convertible Jet Well Pump 3114 Cast iron construction Pump can be used for shallow wells (0-25 ft.) or deep wells (26-90 ft.) Dual voltage 115/230V motor, preset at 230V Pre-installed pressure switch starts pump at 20 PSI, stops pump at 40 PSI Water level of well must be 25 feet or less for shallow well application and 90 feet of less for deep well application