Deep Well Sub Pump 1 hp 110V 18.5 GPM 133' Head With 100' Cord Stainless Steel 4" inch Submersible 4" Deep Well, Fits in a 4" well casing, 33 MAX GPM (Gallons per minute), 1 HP (Horse Power), 1-1/4" NPT discharge, 207 Feet Max Head is for open Water Tanks, 110 Volt (110V). Patented Impeller design provides extended pump life and heavy flow, under the worst circumstances. Water Temperature: (32 ~ 113 F) Trans Medium Ph: 6.5 ~ 8.5. 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. Heavy duty thermoplastic impellers, diffusers and intake screen. This pump also has a built in check valve. Uniquely designed to reduce its noise. Last longer than the all plastic bottom suction pumps, which weigh half as much as this pump (with same HP). *Free Same Day Shipping !!*All Orders Received By 1pm (EST) Will Be Shipped Out That Day* Same Day Shipping Only Applies Monday-Friday