The Whirlpool WP74009147 Range Top Control Knob Valve regulates gas flow to the selected burner for accurate heat adjustment. This replacement valve works with the range control knob to increase or decrease gas flow, allowing the burner flame to be adjusted for different cooking needs. A properly functioning valve provides consistent burner control and supports accurate heat settings.... https://www.partsmelange.ca/whirlpool-wp74009147-top-control-knob-valve-for-range