Simplex 4903-9418 Category : Simplex The lack of TrueAlert branding on the front of the alarm, as well as the odd grille, are signs that this is an early version of the TrueAlert. Brand SimplexModel 4903-9481Manufacturer SimplexType Alarm (Speaker/Strobe, 4-Wire)
Honeywell S465B Category : HoneywellThis is essentially a slightly modified-looking version of the Honyewell S464A with a two-stage option.
Wheelock CH-DF2-WS-12 Category : WheelockThe strobe isn’t supposed to be blank, the fire lettering just rubbed off. You can still barely see where it...
