Combination Detectors
Combination detectors pair smoke and carbon monoxide (CO) sensing in a single, space-saving unit to protect homes and buildings. Ideal for property managers, contractors, and facility teams, these devices simplify installation and maintenance while delivering reliable life-safety alerts. Choose from hardwired, battery-powered, and smart-connected models with interconnect capability, UL-listed certification, and battery backup to meet safety codes and reduce risk.
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System Sensor
System Sensor COSMOD4W i4 Series, 4-Wire Interface Module (Required to use with COSMO-4W Models)
COSMOD4W
In Stock
$78.47
AJAX
AJAX 68698.137.BL3 Wireless Combined Heat, Smoke and CO Detector with Replaceable Batteries, Black
68698137BL3
Out of stock
$108.97
BRK Electronics
BRK 1046780 Interconnect Hardwire Smoke and CO Alarm with Battery Backup and Voice Warning, 6-Pack
1046780
Special Order
$406.39
BRK Electronics
BRK 1046789 Hardwired Combo Smoke and CO Alarm with LED Strobe and 10-Year Battery Backup
1046789
Special Order
$137.51
BRK Electronics
BRK 1046815 Interconnect Battery-Operated Smoke and CO Alarm with Voice Alerts
1046815
Special Order
$47.36
BRK Electronics
BRK 1046879 Interconnectable Ion Smoke and CO Alarm, Bulk Pack
1046879
Special Order
$51.30
BRK Electronics
BRK 1046885 Interconnect Hardwire Smoke and CO Alarm with 10-Year Battery Backup, 6-Pack
1046885
Special Order
$380.02
BRK Electronics
BRK SC7010B 120V AC Hardwired Combination Smoke and Carbon Monoxide Detector
SC7010B
Special Order
BRK Electronics
BRK SC7010BV 120VAC/DC Photo Carbon Monoxide (CO) and Smoke Combination Detector Alarm with Voice
SC7010BV
Special Order
BRK Electronics
BRK SC7010LBLV 120V AC/DC Smoke and CO Combo Alarm with 10-Year Sealed Lithium Battery Backup and Voice
1042734
Special Order
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