The Royal Range 5856 Retro Fit Kit/Flame Switch supports proper flame detection and burner safety control in compatible commercial gas cooking equipment. This replacement kit is intended for updating or servicing the flame-monitoring arrangement within designated range systems. The flame switch operates by responding to specified flame-related conditions and communicating a switching signal to the connected control circuit. This allows the equipment to monitor burner status and respond according to its designed safety sequence. The retrofit configuration provides a practical option for replacing outdated or malfunctioning flame-switch components without changing the entire cooking unit. Suitable for compatible Royal Range equipment, this kit contributes to controlled burner operation, proper safety-system functionality, and dependable performance during routine commercial cooking activities.