A gas control module for a gas-enhanced electrosurgical system. The gas control module has an inlet port, a first solenoid valve connected to said inlet port, a first pressure sensor, a first pressure regulator, a first flow sensor, a first proportional valve, a second flow sensor, a second solenoid valve, said second solenoid valve being a 3-way valve, a vent connected to said second solenoid valve, a second pressure sensor, a third solenoid valve and an exit port.