Hallmark Industries Inc is the leading brand of water pumps for household and industrial applications. Hallmark Industries submersible deep well pump, all stainless steel impeller. 210 Feet MAX Head, 25 GPM MAX, Stainless Steel Deep Well Submersible Pump. This pump is for 230V (240V), 60 HZ, 1 phase! Please check the flow chart for the detailed flow and depth information. Features & Technical Specifications. 4″ deep well submersible pump, 1 HP, 230V, 5.2 Amps, single phase, 7 stage, 1-1/4″ NPT discharge. Fits 5 or bigger well casing. All stainless steel shell, discharge and intake to ensure corrosion resistance. All stainless steel impellers never break. Patented impeller & 7 stage design. 25 GPM max/210 ft head. 210 feet max head is total (open water). Refer to the Pump Selection Guide for the pressure tank applications. Water temperature: 32 113. F Trans medium’s Ph: 6.5 8.5. High quality sealed ball bearings guarantee its excellent performance. Hermetically sealed motor has a built in capacitor start, and thermal protection to prevent overheating, for longer life and powerful start. Built in control box. This pump DOES NOT require an external control box! This pump uses high quality and high efficient motor, and uses less energy. This is a 2 wire pump with 3-Wire (2 wires + ground wire). Unique design reduces its noise. Installation & user’s manual, and tape kit are included. For using a pressure tank – Max water level VS. 114 feet (max water level). 91 feet (max water level). 68 feet (max water level). Performance curve is for pumping water into a non-pressure tank. For pressure tanks, Head=water level + psi 2.31. Condition: New in the box.