Shop USI Carbon Monoxide (CO) Alarms
USI's assortment of carbon monoxide detectors are available from HomElectrical. These compact carbon monoxide detectors ensure the safety of you and your family with features such as digital readings, and can detect carbon monoxide, smoke, fire, and natural gas. Shop HomElectrical for all the USI carbon monoxide detectors.
Carbon Monoxide & Natural Gas Detector, 120V Hardwired w/ Battery
MCN108
Features of this 120 volt ac wired in carbon monoxide and natural gas alarm include a test and reset button....
$49.99Each
Plug-In Carbon Monoxide Alarm w/ Battery Backup
USI/CO/PLUG
Plug-In and Battery Clear LCD display - Easily monitor CO levels and status Audible alarm - A loud, piercing...
$37.45Each
Battery Operated Carbon Monoxide Alarm
USI/CO/REP
Battery only Clear LCD display - Easily monitor CO levels and status Audible alarm - A loud, piercing alarm...
$23.25Each
Battery Operated Carbon Monoxide Alarm w/o Display
USI/CO/REP/G2
Battery only Clear front indicators - Easily monitor CO levels and status Audible alarm - A loud, piercing alarm...
$19.55Each
Portable Travel Carbon Monoxide Alarm
USI/CO/TRAVEL
Status indicator allows users to easily monitor CO levels and alarm status Audible alarm - A loud, piercing alarm...
$35.26Each
10 Year Battery Natural Gas Alarm
USI/NG/10YR
10-year sealed battery for maintenance-free operation Loud 85 dB alarm with LED visual indicator Detects methane (natural gas) leaks...
$93.51Each
Portable Travel Carbon Monoxide Alarm w/ 10 Yr Battery
USI/CO/TRAVEL/G2
Status indicator allows users to easily monitor CO levels and alarm status Audible alarm - A loud, piercing alarm...
$27.03Each
120V Plug-In Carbon Monoxide & Natural Gas Alarm w/ LED Display
MCND401B
There is no wiring required when installing this carbon monoxide and natural gas alarm. Features include a quick activation tab...
$49.37Each
Carbon Monoxide & Natural Gas Alarm, 120V AC Plug In
MCN400B
USI Electrical Plug In Carbon Monoxide & Natural Gas Alarm features: This new compact plug in alarm is perfect for...
$46.54Each
Battery Operated Carbon Monoxide Alarm
CD-9000
The CD-9000 has been discontinued from the manufacturer. The Battery Operated Carbon Monoxide Alarm is being replaced with model MC304SB....
Discontinued
Carbon Monoxide & Natural Gas Detector, 120V Hardwired w/ Battery
MCN108
Features of this 120 volt ac wired in carbon monoxide and natural gas alarm include a test and reset button....
$49.99Each
Plug-In Carbon Monoxide Alarm w/ Battery Backup
USI/CO/PLUG
Plug-In and Battery Clear LCD display - Easily monitor CO levels and status Audible alarm - A loud, piercing...
$37.45Each
Battery Operated Carbon Monoxide Alarm
USI/CO/REP
Battery only Clear LCD display - Easily monitor CO levels and status Audible alarm - A loud, piercing alarm...
$23.25Each
Battery Operated Carbon Monoxide Alarm w/o Display
USI/CO/REP/G2
Battery only Clear front indicators - Easily monitor CO levels and status Audible alarm - A loud, piercing alarm...
$19.55Each
Portable Travel Carbon Monoxide Alarm
USI/CO/TRAVEL
Status indicator allows users to easily monitor CO levels and alarm status Audible alarm - A loud, piercing alarm...
$35.26Each
10 Year Battery Natural Gas Alarm
USI/NG/10YR
10-year sealed battery for maintenance-free operation Loud 85 dB alarm with LED visual indicator Detects methane (natural gas) leaks...
$93.51Each
Portable Travel Carbon Monoxide Alarm w/ 10 Yr Battery
USI/CO/TRAVEL/G2
Status indicator allows users to easily monitor CO levels and alarm status Audible alarm - A loud, piercing alarm...
$27.03Each
120V Plug-In Carbon Monoxide & Natural Gas Alarm w/ LED Display
MCND401B
There is no wiring required when installing this carbon monoxide and natural gas alarm. Features include a quick activation tab...
$49.37Each
Carbon Monoxide & Natural Gas Alarm, 120V AC Plug In
MCN400B
USI Electrical Plug In Carbon Monoxide & Natural Gas Alarm features: This new compact plug in alarm is perfect for...
$46.54Each
Battery Operated Carbon Monoxide Alarm
CD-9000
The CD-9000 has been discontinued from the manufacturer. The Battery Operated Carbon Monoxide Alarm is being replaced with model MC304SB....
Discontinued