Ready for the coldest temperatures, the FR310VARC boasts a powerful 300 Series high-flow AC Rotary Vane Pump with a 35-gpm/132-lpm flow rate few competitors can match. It features an explosion-proof, UL listed dual-voltage 3/4 HP motor (115 and 230 VAC) for long life and dependability. The motor has sealed bearings, heavy-duty switch and thermal overload protection. It is designed with a built-in junction box, cast iron pump housing with iron rotor and carbon vanes