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HVAC Duct Smoke Detection
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System Sensor DST3 Sampling Tube, Smoke Detector System Sensor DST3 Sampling Tube, Smoke Detector

Metal sampling tube duct widths 2 ft to 4 ft (0.6 to 1.2 m)

Our Price: $7.90
System Sensor DST5 Sampling Tube, Smoke Detector System Sensor DST5 Sampling Tube, Smoke Detector

Metal sampling tube duct widths 4 ft to 8 ft (1.2 to 2.4 m)

Our Price: $9.46
Sampling Tube, 5/8" Height ST-5.0 Sampling Tube, 5/8" Height ST-5.0

Sampling Tube for SM-501 Series

Our Price: $10.10
Air Controls and Products MS-PH/KA/P/R ALARM PILOT TEST RESET HORN Air Product and Controls MS-PH/KA/P/R, Key Test Reset w/ Horn Pilot Light and Alarm LED

The Air Products & Controls MS Series remote accessories are designed for use with the SM-501, SL-2000, RT-3000 or HS-100 Series duct smoke detectors.

Our Price: $73.70
System Sensor RTS2-AOS Multi Signaling Unit, 20 to 29VDC System Sensor RTS2-AOS Multi Signaling Unit, 20 to 29VDC

RTS2-AOS is a multi-signaling accessory, with strobe, designed to work with InnovairFlex 4-wire conventional duct smoke detectors. AOS stands for Add On Strobe.

Our Price: $89.37
System Sensor Duct Smoke Detector DUCTSD System Sensor Duct Smoke Detector

Single sensor 4-wire photoelectric low-flow smoke detector.

Our Price: $103.50
Air Products and Controls SM-501-P Smoke Detector, Plastic, 2-1/4" H SM-501-P Smoke Detector, Plastic, 2-1/4" H

The SM-501 Series Duct Smoke Detector provides early detection of smoke and products of combustion present in air moving through HVAC ducts in Commercial, Industrial, and Residential applications. The unit is designed to prevent the re-circulation or spread of smoke by air handling systems, fans, and blowers.

Our Price: $105.95