System Sensor Wired Peripheral Sensors
![System Sensor 2WT-B - 2-Wire Smoke Detector with Fixed Heat Sensor](http://d1unzhqf5a606m.cloudfront.net/images/taxons/system-sensor-2wt-b-2-wire-smoke-detector-with-fixed-heat-sensor.png?1424236074)
System Sensor 2WT-B
2-Wire Smoke Detector with Fixed Heat Sensor
List Price:
$134.00
Our Price:
$95.99
![System Sensor 4WTA-B - 4-Wire Smoke Detector with Fixed Heat and Sounder](http://d1unzhqf5a606m.cloudfront.net/images/taxons/system-sensor-4wta-b-4-wire-smoke-detector-with-fixed-heat-and-s.png?1591655161)
System Sensor 4WTA-B
4-Wire Smoke Detector with Fixed Heat and Sounder
List Price:
$226.00
Our Price:
$121.99
![System Sensor 4WT-B - 4-Wire Smoke Detector with Fixed Heat Sensor](http://d1unzhqf5a606m.cloudfront.net/images/taxons/system-sensor-4wt-b-4-wire-smoke-detector-with-fixed-heat-sensor.png?1451987645)
System Sensor 4WT-B
4-Wire Smoke Detector with 135°F Fixed Heat Sensor
List Price:
$152.00
Our Price:
$108.99
![System Sensor COSMO-2W - 2-Wire Carbon Monoxide and Smoke Detector](http://d1unzhqf5a606m.cloudfront.net/images/taxons/system-sensor-cosmo-2w-2-wire-carbon-monoxide-and-smoke-detector.png?1402600827)
System Sensor COSMO-2W
2-Wire Carbon Monoxide and Smoke Detector
List Price:
$260.00
Our Price:
$182.99
![System Sensor COSMO-4W - 4-Wire Carbon Monoxide and Smoke Detector](http://d1unzhqf5a606m.cloudfront.net/images/taxons/system-sensor-cosmo-4w-4-wire-carbon-monoxide-and-smoke-detector.png?1403279943)
System Sensor COSMO-4W
4-Wire Carbon Monoxide and Smoke Detector
List Price:
$262.00
Our Price:
$184.99
![System Sensor 2151T - Photoelectric Smoke and Fixed Heat Detector](http://d1unzhqf5a606m.cloudfront.net/images/taxons/system-sensor-2151t-photoelectric-smoke-and-fixed-heat-detector.png?1591655189)
System Sensor 2151T
Photoelectric Smoke and Fixed Heat Detector
List Price:
$138.00
Our Price:
$97.99