Simplex 4255-1 This is a moderately old heat detector. Brand SimplexModel 4255-1Manufacturer ChemtronicsType Heat Detector
Pyrotronics MH-517L Category : Cerberus PyrotronicsThis pull station, although similar in appearance (with the exception of the labeling) to my Pyrotronics MS-501, it is actually...
System Sensor MASS2475ADA Category : System SensorMASS stands for “Multi-Alert Sounder/Strobe.” As the name suggests, it can do more than one tone. The only difference between...
Notifier 34-24 Category : NotifierThis is basically just a Wheelock horn with a Notifer sticker slapped onto it.