Detectors
Smoke detectors are initiating devices used to detect the presence of smoke and signal a fire alarm control panel. In commercial fire alarm systems, these devices provide early warning of potential fire conditions and are typically installed in accordance with building codes and system design requirements.
Commercial smoke detectors are commonly available in photoelectric or ionization configurations. Photoelectric models are generally more responsive to smoldering fires, while ionization models are designed to respond more quickly to flaming fires. Many modern systems use photoelectric detection due to current code preferences and application requirements.
Smoke detectors may be addressable or conventional. Addressable detectors communicate individually with the control panel and report a specific device location when activated. Conventional detectors are wired in zones and report alarms at the zone level. Proper selection depends on the type of fire alarm panel and the signaling method used in the existing system.
Compatibility is critical. Detectors must match the panel series and communication protocol in use. Many models are manufacturer-specific and not interchangeable across systems.
Incendico supplies new and surplus commercial smoke detectors from major manufacturers. Listings reflect the exact model and condition available.
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Siemens DB-3S Fire Alarm Detector Base (NEW IN BOX)
Vendor:SiemensRegular price $8.96 USDRegular priceSale price $8.96 USD -
EST Edwards SIGA-SB4 Fire Alarm Detector Base
Vendor:EdwardsRegular price $6.26 USDRegular priceSale price $6.26 USD -
Siemens FDOOTC441 S54320-F8-A1 Detector – DPU Tested - Free Programming!
Vendor:SiemensRegular price $53.96 USDRegular priceSale price $53.96 USD -
NOTIFIER FST-951 Fire Alarm Thermal Detector
Vendor:NOTIFIERRegular price $8.06 USDRegular priceSale price $8.06 USD -
EST Edwards SIGA2-COS Intelligent Carbon Monoxide Detector
Vendor:EdwardsRegular price $13.46 USDRegular priceSale price $13.46 USD -
Honeywell XLS-PS Fire Alarm Intelligent Smoke Detector
Vendor:HoneywellRegular price $29.66 USDRegular priceSale price $29.66 USD -
Fire-Lite SD355 Fire Alarm Smoke Detector Head
Vendor:Fire-LiteRegular price $18.86 USDRegular priceSale price $18.86 USD -
Siemens FDO421 Fire Alarm Smoke Detector - DPU Tested - Free Programming!
Vendor:SiemensRegular price $17.96 USDRegular priceSale price $17.96 USD -
Apollo XP95A 55000-450APO Fire Alarm Heat Detector + Base
Vendor:ApolloRegular price $34.16 USDRegular priceSale price $34.16 USD -
Siemens OH921 S54320-F6-A2 Smoke Detector - DPU Tested - Free Programming!
Vendor:SiemensRegular price $35.96 USDRegular priceSale price $35.96 USD -
Siemens FDOT421 Fire Alarm Detector - DPU Tested - Free Programming!
Vendor:SiemensRegular price $19.76 USDRegular priceSale price $19.76 USD -
Johnson Controls 2951TMJ Fire Alarm ACCLIMATE Multi-sensor Detector Head + Base
Vendor:Johnson ControlsRegular price $45.86 USDRegular priceSale price $45.86 USD -
ADT (EST Edwards) ADT-PS Fire Alarm Photoelectric Smoke Detector w/ SIGA-RB Base
Vendor:ADTRegular price $9.86 USDRegular priceSale price $9.86 USD -
APC (Air Products) MSR-50RKA/R Fire Alarm Duct Detector Remote Assy (NEW IN BOX)
Vendor:Air Products and ControlsRegular price $71.96 USDRegular priceSale price $71.96 USD -
Gamewell-FCI MCS-PTIR Fire Alarm Multi-criteria Detector
Vendor:Gamewell-FCIRegular price $37.76 USDRegular priceSale price $37.76 USD -
Honeywell IDP-PHOTO-W Fire Alarm Smoke Detector Head
Vendor:HoneywellRegular price $17.96 USDRegular priceSale price $17.96 USD -
Simplex 4098-9733 Fire Alarm Heat Detector + 4098-9792 Base
Vendor:SimplexRegular price $8.06 USDRegular priceSale price $8.06 USD -
Simplex 4098-9754 Fire Alarm Smoke + Heat Detector Head
Vendor:SimplexRegular price $20.66 USDRegular priceSale price $20.66 USD -
Honeywell XLS-IPHS Fire Alarm Intelligent Smoke Detector
Vendor:HoneywellRegular price $50.36 USDRegular priceSale price $50.36 USD -
Johnson Controls 5951RJ Fire Alarm Heat Detector
Vendor:Johnson ControlsRegular price $28.76 USDRegular priceSale price $28.76 USD -
Simplex 2098-9636 Fire Alarm Smoke Detector Head
Vendor:SimplexRegular price $9.86 USDRegular priceSale price $9.86 USD -
Gamewell-FCI 71393 Fire Alarm Relay Detector Base (NEW IN BOX)
Vendor:Gamewell-FCIRegular price $19.76 USDRegular priceSale price $19.76 USD -
EST Edwards 6391B-135 Fire Alarm Smoke Detector + Base (NEW)
Vendor:EdwardsRegular price $143.96 USDRegular priceSale price $143.96 USD -
NOTIFIER FST-951 Fire Alarm Heat Detector
Vendor:NOTIFIERRegular price $9.86 USDRegular priceSale price $9.86 USD -
Siemens DB2-HR S54370-F12-A1 Fire Alarm Detector Base (NEW IN BOX)
Vendor:SiemensRegular price $33.26 USDRegular priceSale price $33.26 USD -
NOTIFIER FST-951 Fire Alarm Thermal Heat Detector
Vendor:NOTIFIERRegular price $10.76 USDRegular priceSale price $10.76 USD -
EST Edwards EC10U-3 Fire Alarm Ionization Smoke Detector (NEW IN BOX)
Vendor:EdwardsRegular price $53.96 USDRegular priceSale price $53.96 USD -
EST Edwards SD-GSK Duct Detector Gasket Kit (NEW IN BOX)
Vendor:EdwardsRegular price $9.86 USDRegular priceSale price $9.86 USD -
Simplex 2098-9202 Fire Alarm Smoke + Heat Detector Head
Vendor:SimplexRegular price $17.96 USDRegular priceSale price $17.96 USD -
NOTIFIER FST-951 Fire Alarm Heat Detector
Vendor:NOTIFIERRegular price $10.76 USDRegular priceSale price $10.76 USD -
EST Edwards SIGA-HCD Fire Alarm Intelligent Heat Carbon Monoxide Detector
Vendor:EdwardsRegular price $21.56 USDRegular priceSale price $21.56 USD -
Gamewell-FCI ATD-L3-IV Fire Alarm Thermal Heat Detector + Base
Vendor:Gamewell-FCIRegular price $34.16 USDRegular priceSale price $34.16 USD -
Johnson Controls 5951HJ Fire Alarm Heat Detector + Base
Vendor:Johnson ControlsRegular price $45.86 USDRegular priceSale price $45.86 USD -
Honeywell XLS-HRS Fire Alarm Intelligent Heat Detector
Vendor:HoneywellRegular price $38.66 USDRegular priceSale price $38.66 USD -
Kidde-Fenwal 12-E27121-020-02 Detect-A-Fire Vertical Detector (NEW IN BOX)
Vendor:Kidde-FenwalRegular price $292.46 USDRegular priceSale price $292.46 USD -
Honeywell IDP-PHOTO Fire Alarm Smoke Detector USA Stock (NEW IN BOX)
Vendor:HoneywellRegular price $185.36 USDRegular priceSale price $185.36 USD