d4120 duct detector for sale, brand-new and used.

System sensor model number D4120 4 wire duct smoke detector

4-wire photoelectric low-flow duct smoke detector The InnovairFlex™ Series are the only duct smoke detectors flexible enough to fit configurations from square to rectangular and everything in between. The InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork. This unit senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet pe

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Brand new inbox...Never been used. SpecificationsAir Duct Velocity100 to 4000 ft./min. (0.5 to 20.32 m/sec)Alarm auxiliary contacts DPDT10A @ 30 VDC (resistive); 10A @ 250 VAC (resistive); 1/2 HP @ 240 VAC ; 1/4 HP @ 120 VACAlarm Current:65 mA @ 24VDC 135 mA RMS @ 24VAC 60

new in the box Innovair flex D4120 smoke detector

Photoelectric, integrated low-flow technology. • Air velocity rating from 100 ft/min to 4,000 ft/min (0.5 m/s to 20.32 m/sec). • Versatile mounting options: square or rectangular configuration.

System Sensor D4120 Innovair Flex HVAC Duct Smoke Detector 4-Wire New 4-Wire Photoelectric

new in box

@ 18" sampling tube included

Used. Sold as is. No returns accepted.

New D4120 Duct Detectors. all in original box and packaging.

System Sensor Innovair Flex 4 Wire Duct Smoke Detector Model D4120 NIB The D4120 Duct Smoke Detector consists of the D4S Sensor Component And the D4P120 Power Board Component.

System Sensor Duct Smoke Detector -Model: D4120 -4 Wire -Replaces: DH100ACDCP 14 day warranty 1-C

Brand new in box. Smoke free home all sales are final. 

NIB System Sensor D4120 with 36" sampling tube.

INNOVAIR FLEX SYSTEM SENSOR D4120 4-WIRE DUCT SMOKE DETECTOR BRAND NEW SHIPPING VIA USPS