System Sensor PA400B+PS24LO Category : System Sensor The horn’s model is PA400B, the strobe’s model is PS24LO.
Simplex 4259-25 Category : SimplexThis is a photoelectric smoke detector from the mid to late 1970’s.
United Security Products FHS-24 Category : United Security ProductsA blatant Wheelock 7002T knockoff if I’ve ever seen one, but to their credit, they did rotate the strobe 90...
Space Age A32-BL-SFXC-TJ24D-HA24D+HA24D Category : Space Age ElectronicsI’m pretty sure that the horn on this unit is made by Space Age Electronics. Otherwise, it’s probably a Wheelock...
