The Fireye SB560532AA Flame Safeguard Control (120 V, 50/60 Hz) is a critical safety device for combustion systems in HVAC and industrial heating equipment. It monitors flame presence and manages ignition sequences, automatically shutting down the fuel supply if unsafe conditions are detected. Designed for use in commercial boilers, furnaces, and burners, it ensures reliable and safe ... https://www.partshnc.com/sb560532aa-fireye-120v-5060hz-flame-saftey