Edwards Systems Technology 291B Fire/Heat Detector. 135 degree fixed temperature and Rate of Rise detection in one unit. Red LED indicates alarm condition till reset by alarm control panel. operates on 10-26 VDC. This unit mounts on 6249B-001, 6250B-001A, 6251B-001, -003, -004 bases. Ideal for replacement use. New Old Stock in factory packing with directions.
Product Code: 291B