The Osaka Boiler 110740S is a high-reliability Flame Safety Relay, also known as the FLS control module, designed for critical safety applications in industrial boiler and combustion systems. Manufactured by Osaka Boiler Mfg. Co., Ltd., this essential component continuously monitors the burner flame, automatically shutting off the fuel supply in the event of a flame failure to prevent hazardous conditions. Its user-friendly plug-in design allows for quick installation and replacement, minimizing downtime. Operating on an AC 110V power supply, the 110740S is a trusted solution for ensuring the safe and efficient operation of your heating equipment.