An installation for filling a receptacle includes at least one frame delimiting a chamber closed at least partially by a protective door for the reception of an aerosol receptacle to be filled with liquid product, this chamber housing, elements for holding a cup adapted to receive the product to be filled at a position located above the place for reception of the aerosol receptacle in a position of contact with the valve of the aerosol receptacle, and a pusher element movable between at least two operative positions to give rise, by pressing on the liquid contained in the cup, the transfer of this liquid through an opening of the cup into the aerosol receptacle. The movement of the pusher element between its different operative positions is controlled by the movement of opening the protective door.