Grinnell IXA-RMS

This unit was taken off of a TFX-400 system at Brigham Young University.

Also in the collection
Simplex 4903-9101

Simplex 4903-9101

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Since this is a ceiling-mount unit, it’s model number is probably different from 4903-9101, but I couldn’t figure out what...
ADT B3407-024

ADT B3407-024

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There exists a strobe which can be attached to alarms like this.
Grinnell RMS-1T

Grinnell RMS-1T

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I’m almost certain that this unit has an actual “Grinnell” model number, not just the standard RSG one, but it’s...
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