Shop USI Combo Smoke & Carbon Monoxide Alarms
HomElectrical brings you USI's combination smoke and carbon monoxide alarms at competitive prices. USI's alarms feature industry-leading technology to keep you, your family, and your home safe. Shop HomElectrical for the best deals on USI's combination smoke and carbon monoxide alarms today!
Hardwire Smoke, Fire & Carbon Monoxide Alarm w/ 10 Yr Battery
USI/SMCO/HW10YR/P
Sensing Plus Multi-Criteria Detection accurately identifies both slow-burning and fast-flaming fires; Carbon Monoxide Interconnected Alarms - For optimal safety, once...
$53.45Each
Battery Operated Smoke, Fire & Carbon Monoxide Alarm
USI/SMCO/REP
Sensing Plus Multi-Criteria Detection accurately identifies both slow-burning and fast-flaming fires Voice Alerts - The alarm clearly announces fire...
$36.97Each
10 Year Battery Smoke, Fire & Carbon Monoxide Alarm
USI/SMCO/10YR/V
Sensing Plus Multi-Criteria Detection accurately identifies both slow-burning and fast-flaming fires Voice Alerts - The alarm clearly announces fire...
$49.23Each
Hardwire Smoke, Fire & Carbon Monoxide Alarm w/ Replaceable Battery
USI/SMCO/HWREP
Sensing Plus Multi-Criteria Detection accurately identifies both slow-burning and fast-flaming fires; Carbon Monoxide Interconnected Alarms - For optimal safety,...
$54.74Each
9 Volt Battery Operated Smoke & Carbon Monoxide Alarm
CD-9775-C
The CD-9775C has been discontinued from the manufacturer. The replacement smoke and carbon monoxide detector is replaced with model MIC3510SB....
Discontinued
Hardwired Smoke, Fire, CO & Natural Gas Detector Alarm
MICN109
The Combination Smoke Alarm features four LED indicators for power, smoke, carbon monoxide and natural gas indication. The fire detector...
Discontinued
4-in-1 IoPhic Smart Smoke Detector, Fire, Carbon Monoxide & Natural Gas Alarm
MDSCN111
The USI MDSCN111 is a 4-in-1 smart smoke alarm uses a single sensor to detect smoke, fire, carbon monoxide and...
Discontinued
Hardwire Smoke, Fire & Carbon Monoxide Alarm w/ 10 Yr Battery
USI/SMCO/HW10YR/P
Sensing Plus Multi-Criteria Detection accurately identifies both slow-burning and fast-flaming fires; Carbon Monoxide Interconnected Alarms - For optimal safety, once...
$53.45Each
Battery Operated Smoke, Fire & Carbon Monoxide Alarm
USI/SMCO/REP
Sensing Plus Multi-Criteria Detection accurately identifies both slow-burning and fast-flaming fires Voice Alerts - The alarm clearly announces fire...
$36.97Each
10 Year Battery Smoke, Fire & Carbon Monoxide Alarm
USI/SMCO/10YR/V
Sensing Plus Multi-Criteria Detection accurately identifies both slow-burning and fast-flaming fires Voice Alerts - The alarm clearly announces fire...
$49.23Each
Hardwire Smoke, Fire & Carbon Monoxide Alarm w/ Replaceable Battery
USI/SMCO/HWREP
Sensing Plus Multi-Criteria Detection accurately identifies both slow-burning and fast-flaming fires; Carbon Monoxide Interconnected Alarms - For optimal safety,...
$54.74Each
9 Volt Battery Operated Smoke & Carbon Monoxide Alarm
CD-9775-C
The CD-9775C has been discontinued from the manufacturer. The replacement smoke and carbon monoxide detector is replaced with model MIC3510SB....
Discontinued
Hardwired Smoke, Fire, CO & Natural Gas Detector Alarm
MICN109
The Combination Smoke Alarm features four LED indicators for power, smoke, carbon monoxide and natural gas indication. The fire detector...
Discontinued
4-in-1 IoPhic Smart Smoke Detector, Fire, Carbon Monoxide & Natural Gas Alarm
MDSCN111
The USI MDSCN111 is a 4-in-1 smart smoke alarm uses a single sensor to detect smoke, fire, carbon monoxide and...
Discontinued