A distributor of powdered product, the distributor having a case, a reservoir removably installable in a housing formed in the case, the reservoir having a distribution orifice and being adapted to contain the powdered product and to be installed in the housing by a vertical translation movement, and elements for locking the reservoir in an intended position in the housing, with associated elements for confirming that the reservoir is correctly positioned inside the housing, elements for confirming including a switch that is responsive to the position of the reservoir in the housing and that forms part of an operating control of a machine associated with the distributor.