duct smoke detectors for sale, brand-new and used.

Lot of 4 NEW IN AN OEM FACTORY BOX These are old stock, new smoke detectors, missing to black foam filter (see the pictures). Boxes were opened, but everything is included except the foam. ESL Sentrol Air Duct Smoke Detector

INNOVAIR FLEX (INNOVAIRFLEX).....SYSTEM SENSOR.....4 WIRE DUCT SMOKE DETECTOR.....MODEL D4120... ..MAKE YOUR OFFER AND SAVE MONEY

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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This listing is for 1 Silent Knight Duct Detector model SK-DUCT. This item is brand New and never used. The Model SK-Duct Air Duct Smoke Detector utilizes photoelectric technology for the detection of smoke.

New, LOT of 12 Siemens HFP series intelligent fireprint multi-criteria smoke and heat detectors. They are: 6 HFPT-11 Heat Detectors model number 500-033380 (all in box) 4 HFP-11 Detectors model number 500-033290 (3 in box, one has no box) 2 FP-11 Detectors (no box) These came from unused and liquidated stock of an electrical company. Most of these are brand new in box no writin

This is a lot of 3 system sensor DNR non relay duct smoke detectors. These are missing some of the plastic covers. Sold for parts or repair.

System Sensor D4120 4 Wire Photoelectric Low-Flow Duct Smoke Detector The SYSTEM-SENSOR-D4120 4-wire photoelectric, low-flow, duct smoke detector senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet per minute, temperatures of -4 degrees F to 158 degrees F, and a humidity range of 0 to 95 percent (non-condensing). A plug-in sensor head offers improved false alarm immunity and simple installation, testing, and maintenance.

Brand new SIMPLEX AIR DUCT 4 WIRE SENSOR HOUSING W/RELAY SMOKE DETECTOR. $120 each or best offer. rocarolando@gmail.com

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APC Duct Smoke Detector PRODUCT APPLICATION: The SL-2000 Series Smoke Duct Detector is the latest innovation for 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 recirculation or spread of smoke by air handling systems, fans, and blowers. Complete systems may be shut down in the event of smoke detection.

Jump To: Description \ Payment Options \ Shipping Information \ Customer Service SM 501-N Series Ionization Duct Smoke Detector

Up for your consideration is a FSD-751RPL duct detector in the original box and ready to put into your system. Will work with air velocities as low as 100fpm up to 4000fpm. DP sampling =.0015-1.2 INWC.

NEW! JOHNSON CONTROLS INNOVAIR DH300P PHOTOELECTRIC DUCT SMOKE DETECTOR Replaces DH302J and Detector Head RETURN POLICY

Innovair DH300 RLP Photoelectric Duct Smoke Detector w/extended Air Speed range New in box. Free Shipping with Buy It NOW. Corporate Asset Conversion LLC sells corporate assets on behalf of our clients.

Up for Auction: FireLite Innovair D355PL Duct Smoke Detector. Item is new in box. Please serious bidders only.

This is a box of five used Fenwal DH-60 air duct smoke detectors with heads and sampling tubes. They were pulled from a working system as part of a complete fire alarm replacement. Device are sold as-is, but we believe they are fully functional.

Less than 2" deep for easy installation and applications where space is tight • -4°F to 158°F (-20°C to 70°C) operating range with 100 ft/min.

The 4098-9756 is a Four-Wire Duct Sensor supplied with the 4098-9714 Photo Smoke Sensor. Compatible with Simplex fire alarm control panel models 4010, 4020, 4100, and 4120

Specifications Air Duct Velocity