Deep Well Sub Pump 1 hp 230V 33 GPM, 207' Head, Stainless Steel 4"inch Submersible 4" Deep Well, Fits in a 4" well casing, 33 MAX GPM (Gallons per minute), 1 HP (Horse Power), 5.1 Amps, 1-1/4" NPT discharge, 207 Feet Max Head is for open Water Tanks, 220 Volt (220V), 7 Stage design, Water Temperature: (32 ~ 113 F) Trans Medium Ph: 6.5 ~ 8.5. Patented Impeller design provides extended pump life and heavy flow, under the worst circumstances. The Shell and Motor Shaft are made with Stainless Steel to ensure corrosion resistance. High quality sealed ball bearings guarantee its excellent performance. Hermetically sealed motor has a built in capacitor start anf thermal protection to prevent overheating. Built in Control box. This pump DOES NOT require an external control box. This is a 2 wire pump with 3-wires (2 wires & ground wire). 32' long electric cord comes with this submersible deep well pump