Grinnell TFX-912P

Just like the rest of my Grinnell equipment, this smoke detector is from Brigham Young University.

Also in the collection
Simplex 477-669

Simplex 477-669

Category :
Oddly enough, the model number on this particular smoke doesn’t fit the typical pattern for Simplex devices.
Honeywell HFS-P

Honeywell HFS-P

Category :
Oddly enough, the model number on this particular smoke doesn’t fit the typical pattern for Honeywell devices.
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