Wheelock NS4-24110W This is a rare 4-wire version of the NS. Brand WheelockModel NS4-24110WManufacturer WheelockType Alarm (Horn/Strobe)
Simplex 636-820 Category : SimplexThis is the Simplex 4010 user interface which was taken out of a broken 4010.
Simplex 2099-9754 Category : SimplexThe back of this pull station is different than that of my other Simplex 2099-9754.