The Whirlpool WP74003373 is an integrated knob and switch tailored for your Whirlpool range, offering a two-in-one solution for controlling various range functions. Imagine the WP74003373 as a knob with a button built in. This integrated feature provides intuitive control over your cooktop. Rotating the knob allows you to pick different burner settings such as "high heat," "medium heat," and "off." This rotation mechanism is probable connected to a switch that sends the appropriate signal to the control board, regulating power delivery to the burner.Depending on the range model, the embedded button within the knob may provide additional functionality. For example, pressing the button may engage a burner lock feature, which prevents inadvertent activation by minors or when cleaning.