200140000,BEAM1224,FIRE-LITE ALARMS,FIRE DETECTORS CONVENTIONAL SYSTEM SENSOR BEAM1224 CONVENTIONAL SINGLE-ENDED REFLECTED TYPE BEAM SMOKE THE BEAM1224 IS A 4-WIRE, SINGLE-ENDED, REFLECTED TYPE BEAM SMOKE DETECTOR THAT INCLUDES AN 8" REFLECTOR. CONVENTIONAL SINGLE-ENDED REFLECTED TYPE BEAM SMOKE DETECTOR BEAM1224;,F-LITE BEAM1224 BEAM DETECTOR,Crown Supply