The Whirlpool WP9755173 Range Dual Infinite Switch regulates the heat output of a compatible surface burner, supporting accurate temperature control during cooking. This replacement switch is installed behind the control panel and connects the burner element to the electrical system, allowing users to adjust heat levels by rotating the control knob. It operates by cycling electrical power to the heating element based on the selected setting, providing consistent regulation across low and high temperatures. Designed for compatible Whirlpool ranges, this component integrates with the existing wiring and control assembly. By supporting stable burner operation and responsive heat adjustment, it assists in maintaining consistent cooking results and proper appliance performance.