Discontinued Products: Detectors, MCPs & Modules

High Sensitivity Duct Smoke Detector - Discontinued Product

Product Overview 

The 7251DH High Sensitivity duct smoke detector provides dependable performance for management of fans, blowers, and air conditioning systems by using an intelligent laser smoke sensor residing in an efficient housing design that samples air currents passing through a duct.


  • Temperature range 32 °F to 100 °F (0 °C to 38 °C)
  • Air velocity rating from 300 to 4,000 FPM
  • 24 Vdc operation
  • Easy and quick mounting to round or rectangular ducts from
  • 1 ft to 12 ft (0.3 m to 3.7 m) wide