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Pressure switch / flow monitor for automatic PUMP CONTROL from original EUROPEAN PRODUCTION | Quality from Italy Model PRESFLO-2-MULTI - Unwired | With integrated DRY PROTECTION and integrated NON-RETURN VALVE | Adjustable operating pressure (1 - 5 bar) | Adjustable current sensor for maximum current monitoring (4 - 16 amps) For AUTOMATIC START / AUTOMATIC STOP of an electric water pump (submersible pump, well pump, centrifugal pump, domestic waterworks etc.) INTELLIGENT PUMP MONITORING FUNCTIONS for a GENTLE & ENERGY-SAVING operation of your pump - without pressure surges (especially important for well pumps) | Protects the pump from running dry | Easy to use | INDIVIDUALLY CONFIGURABLE USE also with large pumps with up to a maximum current of 16 amps! easy to use, saves pump life!