The Whirlpool W11455147 is a seemingly uncomplicated yet necessary component for your Whirlpool range a burner cap.This goes immediately on top of the burner base and is crucial to spreading heat effectively and adequately when cooking. The burner cap is commonly composed of porcelain-coated metal, which can endure high temperatures.It has apertures or grates that allow the burner flame to pass through while directing heat upwards toward your cookware.The burner cap serves multiple functions, including heat distribution and safety.The porcelain-coated metal helps to prevent unintentional burns when touching the hot burner base directly. Furthermore, the cap's design can assist catch spills and splatters, reducing the clutter surrounding your cooktop.A well-fitting burner cap optimizes heat transfer to your pots and pans.