FLAME DETECTORS (FOR EMERGENCY) 40/40I Triple IR (IR3) Flame Detector 40/40UFI Ultra Fast Triple IR (IR3) Flame Detector 40/40L-LB UV/IR Flame Detector Series 40/40UFL Ultra Fast UV/IR 40/40L4-L4B UV/IR Flame Detector Series 40/40U-UB - UV Flame Detector 40/40R - Single IR Flame Detector 40/40M Multi IR Flame Detector 20/20MI - Mini Triple IR (IR3) Flame Detector 20/20ML - Mini UV/IR Flame Detector 20/20MPI - Commercial IR3 Flame Detector