Notifier 34-24 This is basically just a Wheelock horn with a Notifer sticker slapped onto it. Brand NotifierModel 34-24Manufacturer WheelockType Alarm (Horn)
Grinnell IXA-RMS Category : GrinnellThis unit was taken off of a TFX-400 system at Brigham Young University.
Simplex 477-669 Category : SimplexOddly enough, the model number on this particular smoke doesn’t fit the typical pattern for Simplex devices.