STEADYPRES 4.0 Electronic Variable Speed Pump ControllerINSTALLATION & USESTEADYPRES 4.0 is an inverter-based electronic control device compatible with both surface and submersible pumps, in single-phase or three-phase versions, up to 1.5 HP (1.1 kW). Installed on the pump delivery line, STEADYPRES regulates motor speed by modulating output voltage and frequency according to water demand, maintaining constant system pressure.Designed for domestic water supply and irrigation applications, STEADYPRES integrates easily with any pressurization system, including existing installations. It improves user comfort, extends system service life, and delivers significant energy savings.KEY FEATURESIntegrated pressure and flow sensorsSimple user interface with keypad and LED indicators for intuitive parameter monitoringQuick and intuitive pressure adjustment via +/- buttons (1-9 bar)Integrated, inspectable non-return valveRear threaded connection for installing a small expansion tankEnergy-saving w