Some of our Brands

View all
Simplex
Notifier Fire Alarm Equipment and Devices
Gentex
VESDA
Edwards
BRK Electronics

Fire Alarm & Building Systems Supplier

The Fire Alarm Supplier stocks over 20,000 parts from more than 100 manufacturers — Simplex, Notifier, System Sensor, Siemens, Fire-Lite, Edwards, Hochiki, Kidde Fenwal and others. Browse smoke detectors, pull stations, horn strobes, control panels and power supplies, plus gas detection, suppression, HVAC and in-building communications.

Our inventory serves fire protection contractors, system integrators and facility managers — including the legacy and discontinued parts that keep an installed system running when replacement is not an option.

Our products

Trending Now at The Fire Alarm Supplier

View all
Notifier FSP-851 Photoelectric Sensor
Notifier

Notifier FSP-851 Photoelectric Sensor

$100.40 $120.48
In Stock
Space Age ELOCK-FA Fire Alarm Electrical Lockout Kit
Space Age

Space Age ELOCK-FA Fire Alarm Electrical Lockout Kit

$11.25 $13.50
In Stock
First Alert SMCO410 Z-Wave Plus Smoke & CO Alarm 1048325
First Alert

First Alert SMCO410 Z-Wave Plus Smoke & CO Alarm 1048325

$62.40 $74.88
In Stock
Kidde 260-CO Carbon Monoxide Detector with SafeTest
Kidde

Kidde 260-CO Carbon Monoxide Detector with SafeTest

$103.80 $124.56
In Stock
First Alert SC5 Hardwire Smart Smoke and Carbon Monoxide Alarm SMCO600NV-AC
First Alert

First Alert SC5 Hardwire Smart Smoke and Carbon Monoxide Alarm SMCO600NV-AC

$117.00 $140.40
Not in stock - available on backorder - lead time on request
Siemens HFP-11 (500-033290) Intelligent Fire Detector
Siemens

Siemens HFP-11 (500-033290) Intelligent Fire Detector

$378.30 $453.96
In Stock
Notifier FCO-951 Multi-Criteria Fire and Carbon Monoxide Detector
Notifier

Notifier FCO-951 Multi-Criteria Fire and Carbon Monoxide Detector

$202.00 $242.40
In Stock
First Alert SC5 Battery Powered Smart Smoke and Carbon Monoxide Alarm SMCO600NV
First Alert

First Alert SC5 Battery Powered Smart Smoke and Carbon Monoxide Alarm SMCO600NV

$117.00 $140.40
In Stock
Siemens FP-11 (500-095112) Multi-Criteria Fire Detector
Siemens

Siemens FP-11 (500-095112) Multi-Criteria Fire Detector

$259.20 $311.04
In Stock
Simplex 4098-9747 CO Replacement Cartridge (CORC)
Simplex

Simplex 4098-9747 CO Replacement Cartridge (CORC)

$124.55 $149.46
In Stock
Eaton Wheelock MT4-115-WH-VFR Multitone Horn Strobe
Eaton Wheelock

Eaton Wheelock MT4-115-WH-VFR Multitone Horn Strobe

$111.25 $133.50
In Stock
Gamewell-FCI ASD-PL2F Addressable Smoke Detector
Gamewell-FCI

Gamewell-FCI ASD-PL2F Addressable Smoke Detector

$259.90 $311.88
In Stock

Best Selling Categories

View all
Simplex 4098-9714 TrueAlarm Photoelectric Smoke Heat Sensor
Commercial Smoke Detectors, Addressable and Conventional
Kidde 260-CO Carbon Monoxide Detector with SafeTest
Carbon Monoxide Detectors
Beam Detectors
Fire Alarm Pull Stations, Single Action and Dual Action
BDA
Vesda VEP-A00-1P - The Fire Alarm Supplier
Aspirating Smoke Detectors

Featured Products

View all
Simplex 4098-9714 TrueAlarm Photoelectric Smoke Heat Sensor
Simplex

Simplex 4098-9714 TrueAlarm Photoelectric Smoke Heat Sensor

$25.90 $31.08
In Stock
System Sensor 2W-B i3 2-Wire Photoelectric Smoke Detector
System Sensor

System Sensor 2W-B i3 2-Wire Photoelectric Smoke Detector

$49.90 $59.88
In Stock
Gamewell-FCI ASD-PL3-IV Addressable Smoke Detector Ivory
Gamewell-FCI

Gamewell-FCI ASD-PL3-IV Addressable Smoke Detector Ivory

$228.20 $273.84
In Stock
Notifier FSP-951 Intelligent Photoelectric Smoke Detector
Notifier

Notifier FSP-951 Intelligent Photoelectric Smoke Detector

$83.50 $100.20
In Stock
Notifier NBG-12LX Dual-Action Addressable Pull Station
Notifier

Notifier NBG-12LX Dual-Action Addressable Pull Station

$104.95 $125.94
In Stock
Notifier FSP-951-IV Photoelectric Smoke Sensor Ivory
Notifier

Notifier FSP-951-IV Photoelectric Smoke Sensor Ivory

$106.95 $128.34
In Stock
Gamewell-FCI ASD-PL3 Photoelectric Smoke Sensor White
Gamewell-FCI

Gamewell-FCI ASD-PL3 Photoelectric Smoke Sensor White

$74.00 $88.80
In Stock
Vesda by Xtralis VSP-005 High Sensitivity Smoke Detection Filter
Vesda

Vesda by Xtralis VSP-005 High Sensitivity Smoke Detection Filter

$69.05 $82.86
In Stock
Fire-Lite SD365 Addressable Photoelectric Smoke Detector
Fire-Lite

Fire-Lite SD365 Addressable Photoelectric Smoke Detector

$86.55 $103.86
In Stock
Siemens HFP-11 (500-033290) Intelligent Fire Detector
Siemens

Siemens HFP-11 (500-033290) Intelligent Fire Detector

$378.30 $453.96
In Stock
Notifier FCO-951 Multi-Criteria Fire and Carbon Monoxide Detector
Notifier

Notifier FCO-951 Multi-Criteria Fire and Carbon Monoxide Detector

$202.00 $242.40
In Stock
Silent Knight SK-PHOTO-W Addressable Smoke Detector
Silent Knight

Silent Knight SK-PHOTO-W Addressable Smoke Detector

$86.55 $103.86
In Stock
Siemens FP-11 (500-095112) Multi-Criteria Fire Detector
Siemens

Siemens FP-11 (500-095112) Multi-Criteria Fire Detector

$259.20 $311.04
In Stock
VESDA VSP-962 Single Filter Cartridge for VEU/VEP/VES Detectors
Vesda

VESDA VSP-962 Single Filter Cartridge for VEU/VEP/VES Detectors

$87.70 $105.24
In Stock
Fire-Lite H365 Addressable Heat Detector 135°F Fixed Thermal Sensor
Fire-Lite

Fire-Lite H365 Addressable Heat Detector 135°F Fixed Thermal Sensor

$81.75 $98.10
In Stock
Honeywell TC500A-N Wireless Commercial Thermostat Wi-Fi
Honeywell

Honeywell TC500A-N Wireless Commercial Thermostat Wi-Fi

$578.15 $693.78
In Stock
System Sensor OSI-R-SS Reflected Type Beam Smoke Detector, 4-Wire
System Sensor

System Sensor OSI-R-SS Reflected Type Beam Smoke Detector, 4-Wire

$939.65 $1,127.58
In Stock
VESDA VLF-250 (VLF-250-00) Laserfocus Small Area Detector
Vesda

VESDA VLF-250 (VLF-250-00) Laserfocus Small Area Detector

$2,393.90 $2,872.68
In Stock

Know before a part is discontinued

Get notified when parts you install go end-of-life, and when hard-to-find stock lands. Around one email a month.