This is a genuine used control board that has been tested and works. This control board is found in WV8840A series gas valves with the "Icon system" label on the faceplate. The part is confirmed to be correct in WV8840A1057 and WV8840A1007 gas valves. The part number is listed on the back of the control board to the right of the dial. You should always confirm the correct part number prior to buying.