Grinnell IXA-RMS

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

Also in the collection
Gaylord NC-1357A

Gaylord NC-1357A

Category :
This is a rebranded EST/Edwards 270-SPO for use in some sort of ventilator system.
GE 521BXT

GE 521BXT

Category :
I think that this smoke detector might be intended for use in security systems.
ADT ADT-PS

ADT ADT-PS

Category :
Personally, I think that the ADT logo on the head of this smoke is a bit ugly.
@