Fire Lite Alarms (Honeywell) D4120 duct smoke detector

• Make: Fire Lite Alarms (Honeywell)
• Model code: D4120
• Type: Smoke

Fire Lite Alarms (Honeywell) D4120 is a 4-wire photo electric low-flow duct smoke detector. The detector features a pivoting housing that fits various applications: both square and rectangular footprints mount to round or rectangular duct work. The detector has signals to indicate trouble and maintenance conditions. Additionally, a cover tamper feature is incorporated to indicate a trouble condition when the sensor cover is removed or improperly installed.