1/3 hp Automatic Utility pump with durable reinforced thermoplastic pump casing, continuous duty ?oil free” motor, bottom suction design with built-in strainer to eliminate internal damage from possible debris, removable filter screen for easy cleaning, and 1-1/4? NPT discharge. SP33A features an automatic mechanical float switch with ?on” level of 13.4? and ?off” level of 7.5?.