The Whirlpool WP74011631 is an upgrade knob intended for controlling burner heat on Whirlpool brand ranges. It's a single knob that controls two burners, allowing you to switch them on and off and change the flame height from simmer to high. The knob probably contains markings or a dial that corresponds to flame intensity levels. When twisted, the knob conveys your selection to the burner valve with a linked shaft, regulating the gas flow and hence the heat produced. This genuine Whirlpool part ensures compatibility and proper operation of your range's current components. Replacing a broken or malfunctioning knob restores safe and precise control over your stovetop burners, allowing you to obtain the ideal heat for an assortment of cooking applications.