Wheelock SR-24110 Category : Wheelock This is an early model of what would become the RSS. Brand WheelockModel SR-24110Manufacturer WheelockType Alarm (Strobe)
Honeywell S465B Category : HoneywellThis is essentially a slightly modified-looking version of the Honyewell S464A with a two-stage option.
System Sensor 4WT-B Category : System SensorThis 4-wire smoke detector also has a thermal heat sensor.
