U.S. federal trademark · Serial No. 78146428 · Reg. No. 2713642
Industrial Steam or Hot Water Generator combustion control system comprising weather proof enclosure, alarm horn, Preferred Instruments PCC-III Multiple Loop Controller configured for boiler firing rate control with insitu oxygen and flue gas temperature field sensors and Flame Safeguard Control System comprising forced draft fan, fuel select and burner control switches, microprocessor based controller configured for automatic single oil or gas fired burner sequencing, ignition and flame monitoring and protection, message display indication of the specific cause of "Lockout" and operating sequence with flame sensor, drum level conductivity probe relay for low water cutout field sensors
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