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

These smoke detectors are new in factory box. One was opened to photograph.

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The NATIONAL TIME Addressable Analog Multisensor model D900-MSENSOR detector utilizes the powerful DigiComm™ communication protocol which enables reliable and accurate information to be exchanged between the detector and the Fire Alarm Control Panel. The Multisensor Detector combines optical smoke and thermistor temperature sensors whose outputs are combined based on the detector mode selection. The D900-MSENSOR can operate in one of five response modes.

General The SD355(A), SD355T(A), and SD355R(A) addressable, low-profile plug-in photoelectric detectors use a state-of-the- art photoelectric sensing chamber with communications to provide open area protection and are used exclusively with Fire•Lite’s Addressable Fire Alarm Control Panels (

Honeywell intelligent plug-in smoke detectors with integral communication provide features that surpass conventional detectors. Detector sensitivity can be programmed in the control panel software. Sensitivity is continuously monitored and reported to the panel.

1/4 x 3/8 x 25ft minisplit Insulated Copper Lineset-Made in the USA

HEATING - VENTILATION - AIR CONDITIONING TRAINING COURSES ON CD-ROM

NEW System Sensor RTS151KEY - The RTS151 and RTS151KEY remote test stations are automatic fire detector accessories designed to test duct smoke detectors from a convenient location. For 4-wire detectors, the RTS151KEY test station features a multi-colored LED that alternates between steady green and red. For 2-wire detectors, the LED illuminates red for alarm.

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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.

Siga-SDPCB super duct sensor unit replacement. Brand new sealed in the box. 

For Sale is a NOS Silent Knight SD505-ADH Addressable Duct Smoke Detector Detector New in Box as shown in images. Free Shipping to US Addresses Only Please email prior to bidding if you have questions. Returns only if item differs from description or images.

Duct Smoke Detector Remote Accessory Key Switch Test & Reset SSU-MSR-50RK/R Item Description: GatorGate Duct Smoke Detector Remote Accessory Manufacturer: Space Age Electronics, Inc. Part Number: SSU-50RKR Model: MSR-50RKR Features: Tri-color visual indication of detector Pilot, Trouble and Alarm conditions Lever-operated quick-connect “No-Tools” four-position terminal block Port for plugging in the optional str

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Fenwal DH-2000 smart duct detector. Fully functional (tested) Comes with detector and tube (approx 5', but can be cut down to reduce shipping cost). All duct detectors use EMT, and 10-12 holes spaced for width of duct.

Item listing is for Lot of 3 Air Products and Controls SL-2000-P Photoelectric Duct Smoke Detector Used, from big manufacturer, change layout of plant & engineering section. Appear good. Few left.

EDWARDS SIGNALING SD-T60 5' 60" AIR SAMPLE TUBE USE WITH SD-4WJ SMOKE DETECTORS SD-T60 Air sample tube, 60 inch 5.8 LB OR 2.6KG UNIT CAN BE CUT DOWN FOR SMALLER DUCT WORK T42 T36 T24 T18

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.