An assembly for dispensing fluid products, comprising a housing (44) having a dispense opening (40) and a mount (42) for a container (12) that contains the fluid product, pumping means (45), a diverting element (53) rotatable around a rotation axis (R) provided with a first channel (A) and a second channel (8), which are in fluid communication with one another. The assembly further comprises a suction conduit (49) connected to an inlet of the pumping means (45) for withdrawing fluid product from said container (12) installed on the mount (42), a delivery conduit (50) fluidly connecting an outlet of the pumping means (45) and said rotatable diverting element (53) and an identity code, as for example a bi-dimensional or a tri-dimensional bar code, or an RFID tag, that is univocally associated to the assembly and that is configured to be read by detection means (57).