System Sensor Carbon Monoxide Detectors
![System Sensor CO1224TR - 12/24V, 6-Wire System Monitored Carbon Monoxide Detector, Round](http://d1unzhqf5a606m.cloudfront.net/images/taxons/system-sensor-co1224tr-12-24v-6-wire-system-monitored-carbon-mon.png?1712071810)
System Sensor CO1224TR
12/24V, 6-Wire System Monitored Carbon Monoxide Detector, Round
List Price:
$206.00
Our Price:
$145.99
![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 CO1224T](http://d1unzhqf5a606m.cloudfront.net/images/taxons/system-sensor-co1224t.png?1424242250)
System Sensor CO1224T
System Carbon Monoxide Detector with 10-Year Life
List Price:
$188.00
Our Price:
$132.99