System Sensor D4120A 4-Wire Photoelectric Low-Flow Duct Smoke Detector, 24VDC/120VAC

Brand: System Sensor
ADI #:BK-D4120A Model #: D4120A  Name: System Sensor D4120A 4-Wire Photoelectric Low-Flow Duct Smoke Detector, 24VDC/120VAC
  • Patented sampling tube installs from front or back of the detector with no tools required
  • Increased wiring space with a newly added 3/4 inch conduit knockout
  • One easy-access Test/Reset button and improved LED status