Find great deals on eBay for System Sensor 2W-B in Industrial Smoke Detectors. Shop with confidence. System Sensor 2W-B Two Wire Smoke Detector. Most all modern alarm system now support this 2 wire type smoke detector. A two-wire smoke sends the power . The Honeywell System Sensor 2W-B is a i3-Series conventional, two-wire, photoelectric smoke detector. Add the hardwired 2W-B smoke detector to most.

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Add the hardwired 2W-B smoke detector to most existing alarm system control panels. The 2W-B smoke detector is not the typical conventional detector. In fact, the 2W-B detevtor a System Sensor i3 series intelligent detector that includes many of the same features found in analog smoke detectors. Drift compensation and smoothing algorithms, standard on the 2W-B, ensures the smoke detector does not become over sensitive as it becomes dirty or dusty.

Measuring the specific sensitivity of the 2W-B smoke detector is made easy with the unique 2b reader. Simply position the reader near the word “PAINT” and it displays sensitivity in terms of percent per foot obscuration.

A text message then indicates whether or not cleaning is recommended. Using an infrared signal, the reader eliminates the need for a voltmeter, magnets, counting LEDs and connecting to the detector.

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System Sensor 2W-B

The 2W-B features both a local and remote maintenance signal that indicates when the smoke detector needs cleaning. Activated by the i3 loop test and maintenance module, or by any i3 ready control panel, the i3 remote maintenance signal means fewer nuisance calls and reduced maintenance costs.

Installation of the 2W-B is a breeze. The 2W-B smoke detector incorporates a plug-in design, but without the typical added costs of a plug-in detector.

System Sensor 2-Wire Photoelectric Smoke Detector

The mounting base included with the 2W-B accomodates standard back boxes or can be mounted directly to the ceiling using drywall anchors. The 2W-B plug-in base allows pre-wiring of the installation, and its convenient terminal layout enables do-it-yourselfers to neatly dress the wires.

This ensures the head will attach in less than one rotation.

Turn the detector head clockwise, and it locks security to the base. Maintaining the 2W-B detector is just as easy. To remove the head, rotate it counterclockwise.

2W-B – System Sensor Conventional 2-Wire i3 Photoelectric Smoke Detector

The 2W-B cover and chamber are also removable, to further reduce cleaning time. 2eb finished, Stop-Drop ‘N Lock the head onto the base. The Honeywell 2W-B smoke detector has instant inspection. Featuring both red and green LEDs, local status indication is more intuitive during power up, standby, alarm, test and freeze trouble conditions. There is no need to count LEDs.


With the i3 indicators, you instantly know the smoke detector’s condition. The EZ Walk loop test, when used with the 2W-MOD module or i3 ready control panels, verifies the initiating loop wiring by placing all detectors on the loop in test mode, without having to activate the test switch on each 2W-B detector.

System Sensor 2W-B Smoke Detector

LEDs on the module, and on each smoke detector, provide instant status inspection, to further reduce inspection time.

Plug-in detector line, mounting base included Large wire entry port In-line terminals with SEMS screws Mounts to octagonal and single-gang back boxes, 4-square back boxes, or direct to ceiling Stop-Drop ‘N Lock attachment to base Removable detector cover and chamber Built-in remote maintenance signaling Drift compensation and smoothing algorithms Simplified sensitivity measurement Wide-angle, dual-color LED indication Loop testing via EZ Walk feature Built-in test switch.

Honeywell 2W-B Product Documents: Honeywell 2W-B Product Specifications: Honeywell Hardwired Security Products. Honeywell Miscellaneous Security Products.