Discontinued Products: Detectors, MCPs & Modules

Analogue Addressable Duct Housing c/w Relays - Discontinued Product

Product Overview 

Duct Housing, that samples air currents passing through a duct and gives dependable performance for shutdown of fans, blowers, and air conditioning systems, preventing the spread of toxic smoke and fire gases through the protected area. Using an external 24V AC or DC supply, the unit also provides two changeover relay contacts suitable for electrical equipment shutdown and a powered output suitable for a sounder or a remote LED.


  • Powered outputs for remote LED, remote test and sounder
  • Two changeover relay contacts
  • 24 Vac / dc operation
  • Continuous sensitivity monitoring from the panel
  • Analogue addressable ion/photo heads with twist-in / twist-out removal
  • Air velocity rating from 2.5 m/s to 20 m/s
  • Remote test station and remote annunciator accessories
  • Clear polycarbonate cover for easy visual inspection of sampling tube filters