Gas burner comprising a servo gas system for controlling a pressure regulation valve positioned in a gas duct of the gas burner, thereby controlling a gas pressure within the gas duct being present downstream of the pressure regulation valve and thereby controlling a pressure difference between a pressure in a burner chamber of the gas burner and said gas pressure within the gas duct, the servo gas system comprising a static servo gas flow branch and a dynamic servo gas flow branch being connected in parallel, a flow sensing element being connected between the static servo gas flow branch and the dynamic servo gas flow branch and providing a signal used to control the pressure regulation valve by an electric actuator, characterized in that the static servo gas flow branch comprises a first flow restricting device and downstream of the first flow restricting device a second flow restricting device thereby providing a first pressure zone upstream of the first flow restricting device in which the gas pressure to be controlled is present, a second pressure zone downstream of the second flow restricting device in which the pressure of the burner chamber is present, and an intermediate pressure zone; the dynamic gas flow branch comprises a pressure regulator and downstream of the pressure regulator a third flow restricting device thereby providing a first pressure zone upstream of the pressure regulator in which the gas pressure to be controlled is present, a second pressure zone downstream of the third flow restricting device in which the pressure of the burner chamber is present, and an intermediate pressure zone; the flow sensing element is connected between the intermediate pressure zone of the static servo gas flow branch and the intermediate pressure zone of the dynamic servo gas flow branch. a static servo gas flow branch and a dynamic servo gas flow branch being connected in parallel, a flow sensing element being connected between the static servo gas flow branch and the dynamic servo gas flow branch and providing a signal used to control the pressure regulation valve by an electric actuator, the static servo gas flow branch comprises a first flow restricting device and downstream of the first flow restricting device a second flow restricting device thereby providing a first pressure zone upstream of the first flow restricting device in which the gas pressure to be controlled is present, a second pressure zone downstream of the second flow restricting device in which the pressure of the burner chamber is present, and an intermediate pressure zone; the dynamic gas flow branch comprises a pressure regulator and downstream of the pressure regulator a third flow restricting device thereby providing a first pressure zone upstream of the pressure regulator in which the gas pressure to be controlled is present, a second pressure zone downstream of the third flow restricting device in which the pressure of the burner chamber is present, and an intermediate pressure zone; the flow sensing element is connected between the intermediate pressure zone of the static servo gas flow branch and the intermediate pressure zone of the dynamic servo gas flow branch.