Duct & Beam Smoke Detectors
Our Duct & Beam Smoke Detectors are essential for reliable fire safety in HVAC systems. Designed to effectively monitor air ducts, these devices ensure early detection of smoke, providing peace of mind and protection for your premises. Choose from our selection of two-wire and four-wire models from leading brands.
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System Sensor
System Sensor OSI-R-SS Reflected Type Beam Smoke Detector, 4-Wire, Single-Ended, 8" Reflector and Integral Sensitivity Test, (Replaces BEAM1224)
OSI-R-SS
In Stock
$1,248.23
Edwards Signaling
Edwards Signaling SD-2W SD Series SuperDuct 2-Wire Duct Smoke Detector, Photoelectric, 16-30VDC Operating Voltage, 50-750 Ohm Alarm Impedance
SD-2W
Out of stock
$187.97
Edwards Signaling
Edwards Signaling SD-GSK SuperDuct Series Cover Gasket Kit
SD-GSK
Special Order
$14.28
Edwards Signaling
Edwards Signaling SD-ST SD Series SuperDuct 4-Wire Smoke Sensor with Terminals
SD-ST
Special Order
$104.71
Fire-Lite Alarms by Honeywell
Fire-Lite D355PL InnovairFlex Intelligent Non-Relay Photoelectric Low Flow Duct Smoke Detector, Includes SD355R Detector
D355PL
Special Order
Fire-Lite Alarms by Honeywell
Fire-Lite OSE-SP-01 Fire-Lite OSE-SP-L8 Xtralis Emitter Standard Power
OSE-SP-01
Special Order
$457.18
Fire-Lite Alarms by Honeywell
Fire-Lite OSI-10 Xtralis Single Imager Beam Detector, White
OSI-10
Special Order
$947.03
Fire-Lite Alarms by Honeywell
Fire-Lite OSI-90-L8 Xtralis Imager Beam Detector, 80 Degree
OSI-90
Special Order
$980.95
Kidde Commercial
Kidde KC3000-103 End to End Infrared Optical Beam Smoke Detector
KC3000-103
Special Order
$1,145.10
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