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 FDOT421 Fire Alarm Detector - DPU Tested - Free Programming!
Vendor:SiemensRegular price $21.56 USDRegular priceSale price $21.56 USD -
Johnson Controls 5951RJ Fire Alarm Heat Detector
Vendor:Johnson ControlsRegular price $26.96 USDRegular priceSale price $26.96 USD -
Xtralis VESDA VLI-885 Laser Industrial Aspirating Smoke Detector (NEW IN BOX)
Vendor:XtralisRegular price $4,679.06 USDRegular priceSale price $4,679.06 USD -
Faraday 8712 Fire Alarm Heat Detector (NEW IN BOX)
Vendor:FaradayRegular price $267.26 USDRegular priceSale price $267.26 USD -
Simplex 4098-9603 Fire Alarm Ion Smoke Detector Head (NEW IN BOX)
Vendor:SimplexRegular price $185.36 USDRegular priceSale price $185.36 USD -
NOTIFIER FST-951 Fire Alarm Thermal Heat Detector
Vendor:NOTIFIERRegular price $13.46 USDRegular priceSale price $13.46 USD -
EST Edwards 6250B Fire Alarm Ionization Smoke Detector + Base
Vendor:EdwardsRegular price $24.26 USDRegular priceSale price $24.26 USD -
Gentex 8100 Fire Alarm Smoke Detector (Untested)
Vendor:GentexRegular price $103.46 USDRegular priceSale price $103.46 USD -
Siemens FDO421 Fire Alarm Smoke Detector - DPU Tested - Free Programming!
Vendor:SiemensRegular price $22.46 USDRegular priceSale price $22.46 USD -
Bosch DS284THC Fire Alarm Detector (Broken Plastic - See Photos)
Vendor:BoschRegular price $13.46 USDRegular priceSale price $13.46 USD -
APC (Air Products) MSR-50RKA/R Fire Alarm Duct Detector Remote Assy (NEW IN BOX)
Vendor:Air Products and ControlsRegular price $89.96 USDRegular priceSale price $89.96 USD -
Bosch D341 Fire Alarm Duct Smoke Detector (NEW IN BOX)
Vendor:BoschRegular price $75.56 USDRegular priceSale price $75.56 USD -
EST Edwards 2551F Fire Alarm Smoke Detector Head
Vendor:EdwardsRegular price $16.16 USDRegular priceSale price $16.16 USD -
NOTIFIER NP-200R Fire Alarm Smoke Detector
Vendor:NOTIFIERRegular price $34.16 USDRegular priceSale price $34.16 USD -
Faraday 8713 Fire Alarm Smoke Detector - DPU Tested - Free Programming!
Vendor:FaradayRegular price $301.46 USDRegular priceSale price $301.46 USD -
Simplex 2098-9203 Fire Alarm Smoke Detector Head
Vendor:SimplexRegular price $85.46 USDRegular priceSale price $85.46 USD -
Autocall A4098-9755 Fire Alarm Duct Smoke Detector
Vendor:AutocallRegular price $43.16 USDRegular priceSale price $43.16 USD -
Honeywell XLS-HFS Fire Alarm Intelligent Detector
Vendor:HoneywellRegular price $89.96 USDRegular priceSale price $89.96 USD -
Tyco Safety Thorn 517.050.606 6B Lo Pro Detector Base 517-050-606 (NEW IN BOX)
Vendor:TYCORegular price $89.96 USDRegular priceSale price $89.96 USD -
Simplex 4265 Fire Alarm Heat Detector
Vendor:SimplexRegular price $36.86 USDRegular priceSale price $36.86 USD -
Fire-Lite MMF-302 Fire Alarm 2-wire Smoke Detector Interface Module (NEW)
Vendor:Fire-LiteRegular price $31.46 USDRegular priceSale price $31.46 USD -
Fire-Lite MMF-302 Fire Alarm 2-wire Smoke Detector Interface Module (NEW)
Vendor:Fire-LiteRegular price $31.46 USDRegular priceSale price $31.46 USD -
Johnson Controls 2951J Fire Alarm Smoke Detector Head
Vendor:Johnson ControlsRegular price $17.06 USDRegular priceSale price $17.06 USD -
System Sensor 4W-B Fire Alarm i3 Smoke Detector Head
Vendor:System SensorRegular price $18.86 USDRegular priceSale price $18.86 USD -
Siemens DT-11 Fire Alarm Heat Detector
Vendor:SiemensRegular price $22.46 USDRegular priceSale price $22.46 USD -
Gamewell-FCI 68862 Fire Alarm 2 Wire Photoelectric Smoke Detector (NEW IN BOX)
Vendor:Gamewell-FCIRegular price $152.96 USDRegular priceSale price $152.96 USD -
Potter APS Fire Alarm Analog Photoelectric Smoke Detector
Vendor:Potter Electric SignalRegular price $89.96 USDRegular priceSale price $89.96 USD -
System Sensor 5601 Fire Alarm Heat Detector
Vendor:System SensorRegular price $10.76 USDRegular priceSale price $10.76 USD -
Gamewell-FCI DH301I Fire Alarm Smoke Duct Detector Housing
Vendor:Gamewell-FCIRegular price $37.76 USDRegular priceSale price $37.76 USD -
Ansul Tyco 430567 Fire Alarm Detector Base (NEW IN BOX)
Vendor:AnsulRegular price $22.46 USDRegular priceSale price $22.46 USD -
Xtralis VESDA VLI-880 Aspirating Smoke Detector Panel (Never Installed)
Vendor:VesdaRegular price $2,146.46 USDRegular priceSale price $2,146.46 USD -
ESL/GE/Interlogix 541NCSRH Fire Alarm Smoke Detector (NEW IN BOX)
Vendor:ESLRegular price $89.96 USDRegular priceSale price $89.96 USD -
EST Edwards 6250B Fire Alarm Ionization Smoke Detector + Base
Vendor:EdwardsRegular price $24.26 USDRegular priceSale price $24.26 USD -
Xtralis VESDA VLI-885 Laser Industrial Aspirating Smoke Detector (NEW IN BOX)
Vendor:XtralisRegular price $4,679.06 USDRegular priceSale price $4,679.06 USD -
Simplex 2098-9628 Fire Alarm Photoelectric Smoke Detector (NEW IN BOX)
Vendor:SimplexRegular price $215.96 USDRegular priceSale price $215.96 USD -
Johnson Controls 2951J Fire Alarm Smoke Detector Head + Base
Vendor:Johnson ControlsRegular price $17.06 USDRegular priceSale price $17.06 USD