How to Size a Water Pressure Booster Pump: Flow, Pressure and Total Head Explained (2026)
A water pressure booster pump must provide enough flow at the pressure your home requires. Choosing by horsepower alone can result in weak pressure, excessive noise, frequent cycling, or unnecessary energy use. Correct sizing starts with simultaneous water demand, available inlet pressure, required outlet pressure, and total head. Pipe size, vertical lift, and friction loss…