The General Electric WB28K10578 Range Round Burner Valve regulates gas flow to the designated surface burner for proper heating operation. This mechanical component connects to the range's gas supply and burner assembly, opening or restricting the gas passage as the burner knob is turned. It manages the amount of gas delivered to the burner, allowing users to adjust flame intensity ac... https://www.hnkparts.com/wb28k10578-general-electric-round-valve-burner/4-WB28K10578.html