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Duct Smoke Detectors

Models 2650-660/661


FireX® Duct Smoke Detectors provide early detection of smoke and products of combustion present in air moving through an HVAC duct. The 2650-660 Ionization and 2650-661 Photoelectric detectors offer new features to reduce installation time substantially.




§         Four sheet metal screws provide easier mounting

§         UL 268A Listed

§         Factory set tube alignment

§         Mechanical installation without cover removal

§         Built-in power supply

§         Installation template included

§         Large terminal connection screws

§         Power supervisory relay included

§         Two independent form “C” alarm contacts standard

§         Compatible with building automation and fire alarm systems

§         Dust filtering included in detector head means no additional screens or filters to clean

§         Common or individual remote reset

§         Common or individual fan shutdown relay operation

§         Common or individual remote alarm indication, i.e. red LED, horn, strobe

§         Common or individual head removed remote indication

§         One horn/strobe operated by up to 15 detectors


View the technical specifications for this model.

Visit the Education Center for answers to frequently asked questions about FireX duct smoke detectors.


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