System Sensor P4R Unlike my System Sensor P2R, this alarm does 4-wire operation. Brand System SensorModel P4RManufacturer System SensorType Alarm (Horn/Strobe)
Simplex 477-669 Category : SimplexOddly enough, the model number on this particular smoke doesn’t fit the typical pattern for Simplex devices.
Cerberus Pyrotronics U-MHT-S17 Category : Cerberus PyrotronicsI am not 100% sure of the differences between the U-MMT and the U-MHT since I could only find it’s...
Fire-Lite RZA-4 Category : Fire-LiteThis annunciator is supposed to be used with the old Fire-Lite Miniscan series of panels, I believe.