High Flow AC Utility Rotary Vane Pumps. With a flow rate few pumps can match. The FR311VB has an open flow rate of 30 GPM. This pump provides long life. Explosion-proof UL listed dual voltage 3/4 HP motor (115 and 230 VAC) Motor has sealed bearings, heavy-duty switch and thermal overload protection Built-in junction box Cast iron pump housing with iron rotor and carbon vanes Check valve, pressure relief valve and strainer assembly, Automatic bypass valve, 2" threaded bung for tank openings. 901 Meter Included, 1" Automatic Ultra High Flow Nozzle 2 Year Warranty