System Sensor 2151 Category : System Sensor This smoke detector is fairly rare. Brand System SensorModel 2151Manufacturer System SensorType Smoke Detector (Photoelectric, 4-wire)
Gentex GMS24-15/75WR Category : GentexThe horn mechanism on this alarm is the exact same one as found on the rectangular electro-mechanical Simplex horn/strobes, such...
Notifier BNG-1 Category : NotifierThis pull actually opens with a “B” key, the key most commonly used by Simplex.