Maximum Head Pressure for Deep-Set Applications The Flint & Walling 7 GPM Commander Plus stainless steel pump end tops out the low-flow line at 2 HP, built for wells where the pump must be set deep or push water a long distance uphill to the house. It keeps the same 7 GPM output as its lighter siblings but adds the horsepower needed to maintain pressure against high total dynamic head. Engineered for Sustained High-Head Duty Stainless steel construction throughout the shell, cable guard, and hex shaft resists the corrosion that high-head, long-runtime applications accelerate. Noryl impellers and diffusers, paired with stainless floating bearing inserts, keep staging efficiency stable even under the extra load a 2 HP motor places on the pump end over years of service. Specification Value Flow Rate 7 GPM Motor 2 HP Discharge 1-1/4" NPT Housing Material Stainless Steel Well Diameter 4" minimum Impellers Noryl Warranty 1 year limited How to Use Pair with a 2 HP, 4-inch Flint & Walling submersible motor and a properly sized 3-wire control box; 2 HP single-phase motors require correctly rated overload protection to avoid nuisance trips. A licensed contractor should calculate total dynamic head (well depth plus elevation gain plus friction loss) before confirming this is the right horsepower. Ideal for deep wells or properties where the house sits well above the wellhead, and a 7 GPM well needs maximum available head pressure to deliver consistent flow at the tap.
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