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home > System Sensor D4120 > System Sensor D4120
System Sensor D4120
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System Sensor D4120
System Sensor D4120
System Sensor D4120
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System Sensor D4120System Sensor D4120 4 Wire 24VDC 120VAC Photoelectric Low Flow Duct Smoke Detector System Sensor D4120 4 Wire Photoelectric Low Flow Duct Smoke Detector provides reliable smoke detection in HVAC duct applications with wide operating ranges and advanced false alarm immunity. Its pivoting housing and plug in sensor design simplify installation, testing, and maintenance across square, rectangular, and round duct systems. 4 wire photoelectric duct smoke
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System Sensor D4120

4-Wire 24VDC/120VAC Photoelectric Low-Flow Duct Smoke Detector

System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector provides reliable smoke detection in HVAC duct applications with wide operating ranges and advanced false alarm immunity. Its pivoting housing and plug-in sensor design simplify installation, testing, and maintenance across square, rectangular, and round duct systems.

  • 4-wire photoelectric duct smoke detector with integrated low-flow sensing technology for HVAC systems
  • Supports wide environmental conditions including airflow from 100 to 4,000 FPM, temperatures from –4°F to 158°F, and up to 95% humidity (non-condensing)
  • Plug-in sensor head improves false alarm resistance while simplifying installation and maintenance
  • Flexible mounting design fits square, rectangular, and round ductwork configurations
  • Includes easy-access test/reset button, improved LED status indicators, and tool-free sampling tube installation

System Sensor D4120

Item no : 43245685713
sold recently : Login >>
US$ 164.00
Pay in 4 interest-free payments of $41.00 Learn more
Min. order: 1piece

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jun 20 - Jun 25

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US$ 164.00

1-11

US$ 147.60

12-35

US$ 114.80

36-59

US$ 98.40

60+

US$40

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Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy

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