System Sensor PA400B+PS24LO The horn’s model is PA400B, the strobe’s model is PS24LO. Brand System Sensor
Simplex 4903-9101 Category : SimplexSince this is a ceiling-mount unit, it’s model number is probably different from 4903-9101, but I couldn’t figure out what...
Grinnell TFX-912P Category : GrinnellJust like the rest of my Grinnell equipment, this smoke detector is from Brigham Young University.
