The Frigidaire 807038640 Range Main Cooktop Glass provides a stable and heat-resistant surface for daily cooking operations. This component is the primary glass panel positioned on the top of the range, covering and protecting the heating elements beneath. It operates by allowing heat to transfer from the burners to cookware while containing spills within the cooking area for easier maintenance. Installed securely into the cooktop frame, it integrates with the burner assembly and control system to maintain proper alignment and safe operation. Replacing a damaged panel restores consistent heat distribution, improves cooking efficiency, and maintains the overall performance of the range system.