Apply to be a TradeMaster!
Filter menu expanded

Filters

41 items
Reset

SORT

Product Availability

Show In Stock Only (37)

Product Type

CO Alarm (1)
Heating Sensor (4)
Smoke Alarm (36)

Review Score

(2)

Price Range

$1 to $5 (1)
$5 to $10 (2)
$10 to $15 (3)
$15 to $20 (1)
$20 to $25 (5)
$25 to $30 (1)
$30 to $35 (1)
$35 to $40 (2)
$40 to $45 (3)
$45 to $50 (2)

System Sensor

Help Face
Need a little help?
41 items
Grid
List
Compare
Product Image of 4-Wire Duct Smoke Detector, 4-wire, Photoelectric, Low-flow (24/120V), D4120
$156.60 each
In Stock
Get 281 by Tomorrow, Jul 8
In Stock
Get 281 by Tomorrow, Jul 8
Compare
Product Image of 3' Sampling Tube w/ Holes, DST3
$14.42 each
In Stock
Get 81 by Tomorrow, Jul 8
In Stock
Get 81 by Tomorrow, Jul 8
Compare
Product Image of 2-Wire Photoelectric Smoke Detector, 2W-B
$57.71 each
In Stock
Get 20 by Tomorrow, Jul 8
In Stock
Get 20 by Tomorrow, Jul 8
Compare
Product Image of Duct Smoke Detector (24/120V), D4120W
$231.62 each
In Stock
Get 50 by Tomorrow, Jul 8
In Stock
Get 50 by Tomorrow, Jul 8
Compare
Product Image of 1.5' Sampling Tube, DST1.5
$10.86 each
In Stock
Get 37 by Tomorrow, Jul 8
In Stock
Get 37 by Tomorrow, Jul 8
Compare
Product Image of Multi-Signaling Accessory w/ Add on Strobe, RTS2-AOS
$175.04 each
In Stock
Get 67 by Tomorrow, Jul 8
In Stock
Get 67 by Tomorrow, Jul 8
Compare
Product Image of 5' Sampling Tube w/ Holes, DST5
$18.61 each
In Stock
Get 34 by Tomorrow, Jul 8
In Stock
Get 34 by Tomorrow, Jul 8
Compare
Product Image of Photoelectronic Low-Profile Plug-In Smoke Detector for Special Applications, 2D51
$76.91 each
In Stock
Get 7 by Tomorrow, Jul 8
In Stock
Get 7 by Tomorrow, Jul 8
Compare
Product Image of Remote Test Station, RTS151
$49.21 each
In Stock
Get 51 by Tomorrow, Jul 8
In Stock
Get 51 by Tomorrow, Jul 8
Compare
Product Image of 4-wire Duct Smoke Detector, Photoelectric, Sensor Only, D4S
$143.87 each
In Stock
Get 19 by Tomorrow, Jul 8
In Stock
Get 19 by Tomorrow, Jul 8
Compare
Product Image of Multi-Signaling Accessory, RTS2
Multi-Signaling Accessory, RTS2
SKU: RTS2-SYSTEM-SENSOR
System Sensor
SKU: RTS2-SYSTEM-SENSOR
$117.26 each
In Stock
Get 30 by Tomorrow, Jul 8
In Stock
Get 30 by Tomorrow, Jul 8
Compare
Product Image of Key-remote Test/reset Station, RTS151KEY
$99.42 each
In Stock
Get 3 by Tomorrow, Jul 8
In Stock
Get 3 by Tomorrow, Jul 8
Compare
Product Image of Carbon Monoxide Detector (12/24V), CO1224T
$93.25 each
In Stock
Get 24 by Tomorrow, Jul 8
In Stock
Get 24 by Tomorrow, Jul 8
Compare
Product Image of 1' Sampling Tube for Duct Smoke Detectors, DST1
$9.56 each
In Stock
Get 27 by Tomorrow, Jul 8
In Stock
Get 27 by Tomorrow, Jul 8
Compare
Product Image of 5600 Series Single Circuit Mechanichal Heat Detector 135-Degree (F), 5601P
$21.46 each
In Stock
Get 53 by Tomorrow, Jul 8
In Stock
Get 53 by Tomorrow, Jul 8
Compare
Product Image of Remote Annunciator w/ Piezo Alert, APA151
$44.25 each
In Stock
Get 138 by Tomorrow, Jul 8
In Stock
Get 138 by Tomorrow, Jul 8
Compare
Product Image of 2-Wire White Indoor LED Horn Strobe (12/24V), P2WLED-P
$79.23 each
In Stock
Get 17 by Thu, Jul 9
In Stock
Get 17 by Thu, Jul 9
Compare
Product Image of 10' Sampling Tube, DST10
$39.16 each
In Stock
Get 20 by Tomorrow, Jul 8
In Stock
Get 20 by Tomorrow, Jul 8
Compare
Product Image of End Cap for Metal Sampling Tube, P48-21-00 (Pack of 5)
$21.15 each
In Stock
Get 18 by Tomorrow, Jul 8
In Stock
Get 18 by Tomorrow, Jul 8
Compare
Product Image of Photoelectric Plug-in Smoke Detector, 2151
$54.51 each
In Stock
Get 7 by Tomorrow, Jul 8
In Stock
Get 7 by Tomorrow, Jul 8
Compare
Product Image of 5600 Series Single Circuit Mechanichal Heat Detector 194-Degree (F), 5602
$22.30 each
In Stock
Get 21 by Tomorrow, Jul 8
In Stock
Get 21 by Tomorrow, Jul 8
Compare
Product Image of 4-Wire Photoelectric Duct Smoke Detector, DUCTSD
$183.27 each
In Stock
Get 7 by Tomorrow, Jul 8
In Stock
Get 7 by Tomorrow, Jul 8
Compare
Product Image of Test Magnet, M02-04-00
Test Magnet, M02-04-00
SKU: M02-04-00
System Sensor
SKU: M02-04-00
$10.25 each
In Stock
Get 7 by Thu, Jul 9
In Stock
Get 7 by Thu, Jul 9
Compare
Product Image of 2' - 4' Metal Sampling Tube for Smoke Detector, ST-3
2' - 4' Metal Sampling Tube for Smoke Detector, ST-3
SKU: ST-3-SYSTEM-SENSOR
System Sensor
SKU: ST-3-SYSTEM-SENSOR
$21.28 each
In Stock
Get 8 by Tomorrow, Jul 8
In Stock
Get 8 by Tomorrow, Jul 8
Compare
Product Image of Photoelectric i3 Plug-In 4-Wire Smoke Detector with Heat Sensor & Sounder (12/24V)
$92.48 each
In Stock
Get 21 by Thu, Jul 9
In Stock
Get 21 by Thu, Jul 9
Compare
Product Image of 1" Steel Exhaust Tube Duct, ETX
$9.24 each
In Stock
Get 19 by Tomorrow, Jul 8
In Stock
Get 19 by Tomorrow, Jul 8
Compare
Product Image of 4' - 8' Metal Sampling Tube for Smoke Detector, ST-5
$26.56 each
In Stock
Get 6 by Tomorrow, Jul 8
In Stock
Get 6 by Tomorrow, Jul 8
Compare
Product Image of 5600 Series Dual Circuit Mechanichal Heat Detector 194-Degree (F), 5622
$42.06 each
In Stock
Get 2 by Tomorrow, Jul 8
In Stock
Get 2 by Tomorrow, Jul 8
Compare
Product Image of 2- Wire Duct Smoke Detector, 2-Wire, Photoelectric w/ Fixed Thermal Sensor(12/24V), 2WT-B
$63.84 each
In Stock
Get 3 by Thu, Jul 9
In Stock
Get 3 by Thu, Jul 9
Compare
Product Image of Remote Annunciator 3.1 - 32 VDC, RA100Z
$30.54 each
In Stock
Get 8 by Thu, Jul 9
In Stock
Get 8 by Thu, Jul 9
Compare
Product Image of Adapter Mounting Plate (120V), MP120K
$46.09 each
In Stock
Get 1 by Tomorrow, Jul 8
In Stock
Get 1 by Tomorrow, Jul 8
Compare
Product Image of Duct Filter for DH400, F36-05-00
$3.87 each
In Stock
Get 4 by Thu, Jul 9
In Stock
Get 4 by Thu, Jul 9
Compare
Product Image of Add on Strobe, AOS
$62.87 each
In Stock
Get 6 by Tomorrow, Jul 8
In Stock
Get 6 by Tomorrow, Jul 8
Compare
Product Image of Remote Test Coil, DCOIL
$39.15 each
In Stock
Get 1 by Tomorrow, Jul 8
In Stock
Get 1 by Tomorrow, Jul 8
Compare
Product Image of 2-Wire, Compact Horn Strobe, Wall (White), P2GWKLED-P
$117.95 each
In Stock
Get 6 by Tomorrow, Jul 8
In Stock
Get 6 by Tomorrow, Jul 8
Compare
Product Image of 5600 Series Dual Circuit Mechanichal Heat Detector 135-Degree (F), 5621
$42.02 each
In Stock
Get 1 by Fri, Jul 10
In Stock
Get 1 by Fri, Jul 10
Compare
Product Image of 6" Smoke Detector Base (24V), B114LPBT
$115.90 each
Out of Stock
Get it by Wed, Jul 22 - Wed, Jul 29
Out of Stock
Get it by Wed, Jul 22 - Wed, Jul 29
Compare
Product Image of Blue Lens for L-Series, LENS-B2
$24.08 each
In Stock
Get 4 by Thu, Jul 9
In Stock
Get 4 by Thu, Jul 9
Compare
Product Image of Speaker Strobe w/ Plastic Weatherproof Back Box & Standard Cd (White), SPSWKLED-P
$137.19 each
Out of Stock
Get it by Wed, Jul 22 - Wed, Jul 29
Out of Stock
Get it by Wed, Jul 22 - Wed, Jul 29
Compare
Product Image of 2-Wire, Compact Horn Strobe, Wall (White), P2GWKLED
Out of Stock
Get it by Wed, Jul 22 - Wed, Jul 29
Out of Stock
Get it by Wed, Jul 22 - Wed, Jul 29
Compare
Product Image of 4-Wire Photoelectric Smoke Detector (12/24V), 4W-B
$68.38 each
Out of Stock
Get it by Wed, Jul 22 - Wed, Jul 29
Out of Stock
Get it by Wed, Jul 22 - Wed, Jul 29
Resources
FAQs, Manuals & Videos
Articles
More About System Sensor
Since 1984, System Sensor has manufactured premium fire detection and life safety devices that deliver outstanding results. They 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.
Didn't find what you're looking for? 
Let us know
.