Worcester Bosch Full Gas Valve 87161113250The Worcester Bosch gas valve for Greenstar and Greenstar ErP appliances. The gas valve is employed in the distribution of gas. When gas is required in the burner, the printed circuit board sends a signal to the gas valve, which opens to allow gas to flow into the burner or the pilot assembly (depending on the model of the appliance). Includes seals, gaskets and gas pipe elbow Made by sit for Worcester THIS PART FITS TO THE FOLLOWING BOILERS Greenstar