Simplex 4255-1 Category : Simplex This is a moderately old heat detector. Brand SimplexModel 4255-1Manufacturer ChemtronicsType Heat Detector
Edwards 281B Category : EST/EdwardsThis unit is in a bit better condition than my other Edwards 281B.
Federal Signal 450D+VALS Category : Federal SignalThis is just like my other Federal Signal 450D, except it has the VALS strobe attached to it.
EST SIGA-278 Category : EST/EdwardsThis pull station used to be addressable, but I have since removed the addressable module.
