The gas valve is a gas distribution device. When there is a need for more gas in the burner, a signal is sent from the control board to the gas valve. It then opens, releasing the gas through the valve into the burner or the pilot assembly, dependant.
Voltage is 230 V and 50 Hz
Technical specification
TypeGas ValveManufacturer Model No871860004A0Brand NameWorcester Bosch