A gas-supplied apparatus, particularly a cooking or heating apparatus, which comprises - a structure, - at least one gas burner, - a thermoelectric generator, - a gas tap having a tap body and a safety solenoid valve, the safety valve including a solenoid which can be supplied with an electric current to keep the safety valve in a respective open condition, and - a gas supply control device including - timing means; - one command means for manually setting a time interval; - control means, controllable by the timing means; wherein at least the timing means, or the timing means and the control means, belong to one functional unit, wherein the control means are controllable by the timing means for causing an interruption or a reduction of the supply of electric current to the solenoid of the safety valve of the gas tap at the end of a time interval set through the command means, and wherein at least part of the functional unit or of the control means includes first electric connection means (33a-33b) and second electric connection means (34a-34b), for connection thereof to the solenoid and the thermoelectric generator, respectively, wherein the control means are connected between said first electric connection means (33a-33b) and said second electric connection means (34a-34b), characterized in that - the control means are connected between said first electric connection means (33a-33b) and said second electric connection means (34a-34b) in such a way that said solenoid is supplied by an electric current generated by said thermoelectric generator, in response to heat generated by a flame at said burner, to keep as a consequence said safety valve in said open condition, - the timing means, the control means and the command means are coupled or assembled on said tap body, said functional unit being mechanically coupled with a portion of said tap body which is within the structure of the apparatus, and - the control means are designed for causing an interruption or a reduction of the supply to said solenoid of the electric current generated by said thermoelectric generator at the end of the time interval set through the command means, such that said safety valve passes as a consequence in a respective closed condition. - a structure, - at least one gas burner, - a thermoelectric generator, - a gas tap having a tap body and a safety solenoid valve, the safety valve including a solenoid which can be supplied with an electric current to keep the safety valve in a respective open condition, and - a gas supply control device including - timing means; - one command means for manually setting a time interval; - control means, controllable by the timing means; wherein at least the timing means, or the timing means and the control means, belong to one functional unit, wherein the control means are controllable by the timing means for causing an interruption or a reduction of the supply of electric current to the solenoid of the safety valve of the gas tap at the end of a time interval set through the command means, and wherein at least part of the functional unit or of the control means includes first electric connection means (33a-33b) and second electric connection means (34a-34b), for connection thereof to the solenoid and the thermoelectric generator, respectively, wherein the control means are connected between said first electric connection means (33a-33b) and said second electric connection means (34a-34b), characterized in that - the control means are connected between said first electric connection means (33a-33b) and said second electric connection means (34a-34b) in such a way that said solenoid is supplied by an electric current generated by said thermoelectric generator, in response to heat generated by a flame at said burner, to keep as a consequence said safety valve in said open condition, - the timing means, the control means and the command means are coupled or assembled on said tap body, said functional unit being mechanically coupled with a portion of said tap body which is within the structure of the apparatus, and - the control means are designed for causing an interruption or a reduction of the supply to said solenoid of the electric current generated by said thermoelectric generator at the end of the time interval set through the command means, such that said safety valve passes as a consequence in a respective closed condition. - timing means; - one command means for manually setting a time interval; - control means, controllable by the timing means; - the control means are connected between said first electric connection means (33a-33b) and said second electric connection means (34a-34b) in such a way that said solenoid is supplied by an electric current generated by said thermoelectric generator, in response to heat generated by a flame at said burner, to keep as a consequence said safety valve in said open condition, - the timing means, the control means and the command means are coupled or assembled on said tap body, said functional unit being mechanically coupled with a portion of said tap body which is within the structure of the apparatus, and - the control means are designed for causing an interruption or a reduction of the supply to said solenoid of the electric current generated by said thermoelectric generator at the end of the time interval set through the command means, such that said safety valve passes as a consequence in a respective closed condition.