The Whirlpool WP74005954 is an indispensable part for initiating safe and reliable ignition on your Whirlpool range. It serves specifically as the ignition switch. Assume you are turning the knob to light a burner on your range. This seemingly effortless step activates the ignition switch. The switch does not immediately ignite the burner; rather, it serves as an important intermediary. When you engage the switch, it sends a signal to the igniter module, which is a separate component within your range. The igniter module ignites in response to this signal, igniting the gas flowing from the burner.A correctly working WP74005954 igniter switch is required to provide a smooth and efficient gas burner ignition operation on your Whirlpool range.