A kit for repairing and inflating inflatable items comprises a housing, a compressor assembly housed within the housing, a connecting device having an inlet connected to the compressor assembly and a seat adapted to be fluidically connected to a container assembly for a sealing liquid and to the inlet, a valve configured to be opened automatically when the container assembly is connected to the connection device and elastically maintained in a first position such as to fluidically disconnect the inlet from the seat when the container assembly is disconnected from the connecting device, and a flexible tube fluidically connected to the compressor assembly. In particular, the connecting device comprises an outlet fluidically connected to the valve so as to be fluidically connected to the inlet when the valve is in the first position, and in that the flexible tube is connected to the outlet.