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System Sensor D2 2-Wire Photoelectric Duct Smoke Detector

SKU: D2-1 MPN: D2 System Sensor
System Sensor InnovairFlex D2 Smoke Detector
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Key Features

  • Reliable early smoke detection in HVAC ducts, reducing business disruption and protecting equipment
  • Photoelectric 2-wire sensing with proven false-alarm immunity for dependable monitoring in harsh duct environments
  • Broad airflow coverage (100–4,000 fpm) and wide operating range (−4°F to 158°F) for flexible commercial applications
  • Tool-free sampling tube installation and plug-in sensor for faster installs and simplified maintenance
  • Increased wiring space and 3/4" conduit knockout to speed wiring and support retrofit projects

Quick Specifications

Product Model
D2
Brand Name
System Sensor
Product Line
InnovairFlex
Product Name
InnovairFlex D2 Smoke Detector
View Full Technical Specifications

Frequently Bought Together

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System Sensor D2 2-Wire Photoelectric Duct Smoke Detector

System Sensor D2 2-Wire Photoelectric Duct Smoke Detector

$230.69

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Total: $718.63

Product Information Tabs

Overview

Protect critical infrastructure and maintain uninterrupted operations with the System Sensor D2 2-Wire Photoelectric Duct Smoke Detector. Designed for reliable HVAC and duct monitoring, this InnovairFlex duct smoke detector delivers early, photoelectric smoke detection with enhanced false-alarm immunity — minimizing costly downtime and unnecessary service calls. The D2 senses airflow from 100 to 4,000 feet per minute and operates across a wide temperature range (−4°F to 158°F), making it suitable for a broad range of commercial and industrial duct applications. Installers benefit from a plug-in sensor head, a patented sampling tube that clicks into place from the front or back with no tools, and extra wiring space with a 3/4" conduit knockout to accelerate commissioning and future maintenance. UL-listed and backed by a 3-year limited warranty, the System Sensor D2 integrates easily into existing HVAC safety and building security plans to enhance smoke surveillance and life-safety monitoring. Ideal for building managers, contractors, and integrators specifying duct protection — contact us to add the D2 to your next project or to request a quote.

Features

  • Reliable early smoke detection in HVAC ducts, reducing business disruption and protecting equipment
  • Photoelectric 2-wire sensing with proven false-alarm immunity for dependable monitoring in harsh duct environments
  • Broad airflow coverage (100–4,000 fpm) and wide operating range (−4°F to 158°F) for flexible commercial applications
  • Tool-free sampling tube installation and plug-in sensor for faster installs and simplified maintenance
  • Increased wiring space and 3/4" conduit knockout to speed wiring and support retrofit projects
General Information
Brand Name System Sensor
Manufacturer Honeywell International, Inc
Product Line InnovairFlex
Product Name InnovairFlex D2 Smoke Detector
Product Type Smoke Detector
Product Model D2
Package Length 5.500000000
Product Series InnovairFlex
Manufacturer Part Number D2
Technical Information
Sensor Type Photoelectric
Application/Usage Air Duct Protection
Detectable Medium Smoke
Sensing Technology Photoelectric
Connectivity Technology Wired
Certifications
UL Listed Yes
Controls/Indicators
Status Indicators Yes
Environmental Conditions
Operating Temperature (T-T) -4-158°F
Operating Relative Humidity (H-H) 0-95%
Others
Model Number Replaces DH100P
Physical Characteristics
Depth 2.5"
Width 5"
Height 14.4"
Weight 1.80lb
Form Factor Duct Mount
Power Description
Power Source DC
Input Voltage 35V DC
Product Information
Mount Type Duct Mount
Warranty
Limited Warranty 3-Year
Miscellaneous
Features 24V DC, A cover tamper feature to indicate a trouble condition for removed or improperly installed sensor cover, Backward compatibility with existing Innovair products, including remote accessories, Broader ranges for operating temperature (−4 to 158 °F) and humidity (0 to 95% non-condensing), Improved LED status, Increased wiring space with a newly added 3/4 inch conduit knockout, Patented sampling tube installs from front or back of the detector with no tools required, Plug-in sensor, Superb false alarm immunity with the latest sensor technology, Versatile mounting options in square or rectangular configuration with modular construction
Country of Origin MX