Since 1984, System Sensor has manufactured premium fire detection and life safety devices that deliver outstanding results
We specialize in a number of fire alarm products for a wide variety of needs, like smoke and fire detectors, aspirating smoke detectors, carbon monoxide detectors, audible visible notification devices, and HVAC smoke detection equipment.
Our focus on research, development, and industry knowledge is second to none, and our products are used in commercial, industrial, residential, and mission-critical markets across the world.
System Sensor
System Sensor B200S-LF-WH Addressable Sounder Base
Sale price$106.80
Regular price$128.16
In Stock
System Sensor
System Sensor 2151 Smoke Detector (Replaces 2451TH)
Sale price$56.30
Regular price$67.56
In Stock
System Sensor
System Sensor 4WTR-B Smoke Detector and Thermal Sensor 4-Wire
Sale price$68.50
Regular price$82.20
In Stock
System Sensor
System Sensor PC2WLED Horn Strobe (Replaces PC2WL)
Sale price$52.50
Regular price$63.00
In Stock
System Sensor
System Sensor P2WH-LF Low Frequency Sounder Strobe
Sale price$35.55
Regular price$42.66
In Stock
System Sensor
System Sensor 5602 Heat Detector
Sale price$16.45
Regular price$19.74
Sold Out - Call for Lead Time
System Sensor
System Sensor C58-237-00 Replacement Dust Cover
Sale price$5.10
Regular price$6.12
In Stock
System Sensor
System Sensor B200S-WH Addressable Sounder Base
Sale price$65.15
Regular price$78.18
In Stock
System Sensor
System Sensor 2D51 Photoelectronic Low-Profile Plug-In Detector
Sale price$72.40
Regular price$86.88
Sold Out - Call for Lead Time
System Sensor
System Sensor SCWL Ceiling Mount Strobe (Replaced by SCWLED)
Sale price$44.10
Regular price$52.92
Discontinued / Sold Out
System Sensor
System Sensor SRLED Wall-Mount Strobe (Replaces SRL)
Sale price$44.90
Regular price$53.88
In Stock
System Sensor
System Sensor B300-6-BP Base - Bulk Pack with 10 Units
Sale price$114.25
Regular price$137.10
In Stock
System Sensor
System Sensor D4120 Duct Smoke Detector
Sale price$199.10
Regular price$238.92
In Stock
System Sensor
System Sensor PC2RLED Horn Strobe (Replaces PC2RL)
Sale price$58.35
Regular price$70.02
In Stock
System Sensor
System Sensor DST5 Metal Sampling Tube Duct
Sale price$18.15
Regular price$21.78
In Stock
System Sensor
System Sensor B200SR-WH Intelligent Sounder Base
Sale price$62.65
Regular price$75.18
In Stock
System Sensor
System Sensor SCWLED Ceiling Mount Strobe (Replaces SCWL)
Sale price$47.40
Regular price$56.88
In Stock
System Sensor
System Sensor D4120W Duct Smoke Detector 4-Wire
Sale price$268.40
Regular price$322.08
In Stock
System Sensor
System Sensor SPSRK Red Outdoor Speaker Strobe
Sale price$116.65
Regular price$139.98
Only 79 units left
System Sensor
System Sensor SPSWK Speaker Strobe
Sale price$180.20
Regular price$216.24
Only 5 units left
System Sensor
System Sensor B200S-IV Plug-In Detector Base
Sale price$69.10
Regular price$82.92
In Stock