Silent Knight SD505-APS - FireAlarms.tv - jjinc24/U8oL0's Fire Alarm Collection

Category : Potter

I honestly have no idea what this thing is, but it says Potter on it, so that means it goes...

Category : Simplex

You really don’t see too many white rectangular Simplex N/A’s.

Category : Notifier

F67ODT likely isn’t the model number of the unit as it was just a random number stamped on the wall...