The new member of the DeltaSol® family is the BX Plus. The system controller is equipped with five relay outputs and up to nine sensor inputs, connections for digital Grundfos Direct Sensors™, and PWM outputs for speed control of energy-saving high-efficiency pumps.

With the integrated SD memory card slot, logging system data and updating the firmware is possible. Additional accessories as well as up to two EM extension modules, extending the controller by six sensor inputs and five relay outputs each, can be connected via the RESOL VBus®.