The Whirlpool W11435659 is a fundamental substitute component for your Whirlpool range's cooktop. It is the central component of a gas burner, capable of evenly transferring gas and igniting it to produce a flame for cooking. The burner head comprises of a spherical base that fits snugly over your range's gas supply line.When you turn a burner knob, gas passes through the pipe and into the burner head. This head contains a burner cap with tiny holes intentionally placed to distribute the gas evenly throughout the burner. The igniter is another key component of the burner head. When actuated, it generates a spark that ignites the gas flow, resulting in a regulated flame.