in duct smoke detector for sale, brand-new and used.

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

this was an overstock item. this item is out of original factory warranty. Has been sitting in stock.

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

PHOTOELECTRIC SMOKE DETECTOR FSD-751PLA Intelligent Low-Flow Photoelectric Duct Smoke Detectors with FlashScan 2-Wire Intelligent Photoelectric Low Flow Duct Smoke Detector. Addressable low-flow duct detector housing with photoelectric smoke detector with ULC listing. *** NEW – UNOPENED BOX ***

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.

The SD505-DUCT addressable duct smoke detector is a heavy duty detector housing with the SD505-APS addressable photoelectric smoke detector pre-installed and is used for detecting smoke and products of combustion present in air moving through HVAC air handling systems. Compatible with 5700, 5808, 5820XL, and 5820XL-EVS IntelliKnight addressable fire alarm control panels programmed for Hochiki protocol.

This auction is for a lot of 5 System Sensor brand smoke detectors for duct applications, model LD45. These are brand new and comes as pictured. Please message us with any questions. 

SYSTEM SENSOR RTS451KEY SMOKE DETECTOR REMOTE TEST STATION NEW IN THE BOX System Sensor Key Remote Test And Reset Station For Duct Smoke Detector 1 RTS451KEY(A) remote test station1 screw pack (2 mounting screws2 Keys

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

NewCenturyAuto5518 Specializing in New Old Stock HVAC Heating and Cooling Components All of our products are New Old Stock or Dead Stock unless otherwise noted Product Description: NOS LOT OF 2 ESL Duct Smoke Detector Model Numbers: 609U02-11, 609U01-11 Photoelectric or Inization Shuts down fan when smoke is detected in HVAC system Shipping information: 1-day handling time on all products Smaller items <70lbs will ship UPS Large it

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

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BRAND NEW IN BOX (Box is in good condition) SYSTEM SENSOR INNOVAIR FLEX MODEL # DNR INTELLIGENT NON-RELAY DUCT SMOKE DETECTOR MUST ORDER HEAD SEPARATELY

NEW IN AN OEM FACTORY BOX ESL Sentrol Air Duct Smoke Detector Model 609U01 Included:

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

NEW SM 501-P Series Photovoltaic Duct Smoke Detector FREE SHIPPING!

BOSCH Security Systems D285DH Photoelectric Duct Smoke Detector Head (12 VDC or 24 VDC) Commercial or residential applications Two-wire or four-wire application, depending on base Chamber Check rapid-flash LED Automatic Trouble Indication reports contaminated chamber Flashing LED power indicator Steady-

New and complete (Hardware pack is sealed) in open box Features • Photoelectric, low-flow technology • An air velocity rating from 100 feet per minute to 4,000 feet per minute (.5 meters per second to 20.32 meters per second) • Patented interconnectability for multi-fan shutdown • Two DPDT Form-C relay contacts • 24 VAC/DC or 120/240 VAC • Versatile mounting options • Outside mounting tabs • A patented telescopic sampling tube • Modular construction • A patented cover-tamper trouble signal •