HomElectrical.com Lighting & Electrical Supply Superstore

USI Smoke & Fire Alarms

HomElectrical carries USI's innovative smoke and fire alarms to ensure your family's safety. These detectors are available in multiple models, including universal smoke sensing technology, photoelectric, and ionization models. For the best deals on USI's smoke and fire alarms, shop at HomElectrical!

1-30 of 30 products

Sensing Plus Multi Criteria Smoke & Fire Alarm, 10 Year Sealed Battery
Sensing Plus Multi Criteria Smoke & Fire Alarm, 10 Year Sealed Battery
$20.95Each
AMI3051SB
Relay Module for Smoke and Fire Alarms
Relay Module for Smoke and Fire Alarms
$25.09Each
960
Ionization Smoke & Fire Alarm, Large Ring, 9V Battery Run
Ionization Smoke & Fire Alarm, Large Ring, 9V Battery Run
$10.90Each
976LR
Smoke Detector & Fire Alarm w/ Ionization Sensor, Hardwired
Smoke Detector & Fire Alarm w/ Ionization Sensor, Hardwired
$16.95Each
5304
Photoelectric Smoke and Fire Alarm, 9V Battery Operated
Photoelectric Smoke and Fire Alarm, 9V Battery Operated
$19.50Each
MP308
Ionization Smoke and Fire Alarm, 9V Battery Operated
Ionization Smoke and Fire Alarm, 9V Battery Operated
$13.50Each
MI3050
Strobe Kit w/ USI-MP116S, USI-960, and USI-2177
Strobe Kit w/ USI-MP116S, USI-960, and USI-2177
Discontinued
2416S
Photoelectric Smoke and Fire Alarm, 9V Battery Operated
Photoelectric Smoke and Fire Alarm, 9V Battery Operated
Discontinued
SS-901-LR
Photoelectric Smoke Detector, Hardwired w/ 9V Battery
Photoelectric Smoke Detector, Hardwired w/ 9V Battery
Discontinued
MP116S
Ionization Smoke Detector & Fire Alarm, Hardwire w/ Battery
Ionization Smoke Detector & Fire Alarm, Hardwire w/ Battery
Discontinued
5304L
Ionization Smoke and Fire Alarm, Lithium 9V Battery
Ionization Smoke and Fire Alarm, Lithium 9V Battery
Discontinued
2975L
Portable Emergency Lighting System
Portable Emergency Lighting System
Discontinued
HE-430
LED Smart Strobe, Interconnectable, Hardwired
LED Smart Strobe, Interconnectable, Hardwired
Discontinued
SLW127
Ionization Smoke Alarm & Strobe Kit, Hardwired
Ionization Smoke Alarm & Strobe Kit, Hardwired
Discontinued
2453
Smoke Alarm Strobe, 120V AC, Hardwired
Smoke Alarm Strobe, 120V AC, Hardwired
Discontinued
2177
9V Battery Operated Fire Alarm w/ Ionization Sensor
9V Battery Operated Fire Alarm w/ Ionization Sensor
Discontinued
SS-770-6CC
Battery-Operated Ionization Smoke and Fire Alarm
Battery-Operated Ionization Smoke and Fire Alarm
Discontinued
SS-770-LR
Hardwired Ionization Smoke & Fire Alarm w/ Backup Battery
Hardwired Ionization Smoke & Fire Alarm w/ Backup Battery
Discontinued
MI106
IoPhic Smoke & Fire Alarm, 9V Battery Operated
IoPhic Smoke & Fire Alarm, 9V Battery Operated
Discontinued
MDS300B
120V Wired In Heat Alarm with Backup Battery
120V Wired In Heat Alarm with Backup Battery
Discontinued
2430
Ionization Smoke & Fire Alarm, 9V Battery Operated, Portable
Ionization Smoke & Fire Alarm, 9V Battery Operated, Portable
Discontinued
SS-770
Photoelectric Smoke & Fire Alarm, 9V Battery Operated
Photoelectric Smoke & Fire Alarm, 9V Battery Operated
Discontinued
SS-901-LR
Photoelectric Smoke Detector, 120V Hardwired w/ 9V Battery
Photoelectric Smoke Detector, 120V Hardwired w/ 9V Battery
Discontinued
MP117
loPhic Smoke & Fire Detector, 9V Battery Operated
loPhic Smoke & Fire Detector, 9V Battery Operated
Discontinued
MDS300L
IoPhic Smoke Detector & Fire Alarm
IoPhic Smoke Detector & Fire Alarm
Discontinued
MDS107
Smoke & Fire Alarms w/ Ionization Sensor
Smoke & Fire Alarms w/ Ionization Sensor
Discontinued
1209
Ionization Smoke & Fire Alarm, Large Plate, 9V Battery
Ionization Smoke & Fire Alarm, Large Plate, 9V Battery
Discontinued
1227L
Hardwired Ionization Smoke Detector and Fire Alarm
Hardwired Ionization Smoke Detector and Fire Alarm
Discontinued
1204
Ionization Smoke and Fire Alarm, 9V Battery Operated
Ionization Smoke and Fire Alarm, 9V Battery Operated
Discontinued
2975
Ionization Sensor Smoke Alarm, 9V Battery Operated
Ionization Sensor Smoke Alarm, 9V Battery Operated
Discontinued
1122L
//

1-30 of 30 products

Sensing Plus Multi Criteria Smoke & Fire Alarm, 10 Year Sealed Battery
Sensing Plus Multi Criteria Smoke & Fire Alarm, 10 Year Sealed Battery
$20.95Each
AMI3051SB
Relay Module for Smoke and Fire Alarms
Relay Module for Smoke and Fire Alarms
$25.09Each
960
Ionization Smoke & Fire Alarm, Large Ring, 9V Battery Run
Ionization Smoke & Fire Alarm, Large Ring, 9V Battery Run
$10.90Each
976LR
Smoke Detector & Fire Alarm w/ Ionization Sensor, Hardwired
Smoke Detector & Fire Alarm w/ Ionization Sensor, Hardwired
$16.95Each
5304
Photoelectric Smoke and Fire Alarm, 9V Battery Operated
Photoelectric Smoke and Fire Alarm, 9V Battery Operated
$19.50Each
MP308
Ionization Smoke and Fire Alarm, 9V Battery Operated
Ionization Smoke and Fire Alarm, 9V Battery Operated
$13.50Each
MI3050
Strobe Kit w/ USI-MP116S, USI-960, and USI-2177
Strobe Kit w/ USI-MP116S, USI-960, and USI-2177
Discontinued
2416S
Photoelectric Smoke and Fire Alarm, 9V Battery Operated
Photoelectric Smoke and Fire Alarm, 9V Battery Operated
Discontinued
SS-901-LR
Photoelectric Smoke Detector, Hardwired w/ 9V Battery
Photoelectric Smoke Detector, Hardwired w/ 9V Battery
Discontinued
MP116S
Ionization Smoke Detector & Fire Alarm, Hardwire w/ Battery
Ionization Smoke Detector & Fire Alarm, Hardwire w/ Battery
Discontinued
5304L
Ionization Smoke and Fire Alarm, Lithium 9V Battery
Ionization Smoke and Fire Alarm, Lithium 9V Battery
Discontinued
2975L
Portable Emergency Lighting System
Portable Emergency Lighting System
Discontinued
HE-430
LED Smart Strobe, Interconnectable, Hardwired
LED Smart Strobe, Interconnectable, Hardwired
Discontinued
SLW127
Ionization Smoke Alarm & Strobe Kit, Hardwired
Ionization Smoke Alarm & Strobe Kit, Hardwired
Discontinued
2453
Smoke Alarm Strobe, 120V AC, Hardwired
Smoke Alarm Strobe, 120V AC, Hardwired
Discontinued
2177
9V Battery Operated Fire Alarm w/ Ionization Sensor
9V Battery Operated Fire Alarm w/ Ionization Sensor
Discontinued
SS-770-6CC
Battery-Operated Ionization Smoke and Fire Alarm
Battery-Operated Ionization Smoke and Fire Alarm
Discontinued
SS-770-LR
Hardwired Ionization Smoke & Fire Alarm w/ Backup Battery
Hardwired Ionization Smoke & Fire Alarm w/ Backup Battery
Discontinued
MI106
IoPhic Smoke & Fire Alarm, 9V Battery Operated
IoPhic Smoke & Fire Alarm, 9V Battery Operated
Discontinued
MDS300B
120V Wired In Heat Alarm with Backup Battery
120V Wired In Heat Alarm with Backup Battery
Discontinued
2430
Ionization Smoke & Fire Alarm, 9V Battery Operated, Portable
Ionization Smoke & Fire Alarm, 9V Battery Operated, Portable
Discontinued
SS-770
Photoelectric Smoke & Fire Alarm, 9V Battery Operated
Photoelectric Smoke & Fire Alarm, 9V Battery Operated
Discontinued
SS-901-LR
Photoelectric Smoke Detector, 120V Hardwired w/ 9V Battery
Photoelectric Smoke Detector, 120V Hardwired w/ 9V Battery
Discontinued
MP117
loPhic Smoke & Fire Detector, 9V Battery Operated
loPhic Smoke & Fire Detector, 9V Battery Operated
Discontinued
MDS300L
IoPhic Smoke Detector & Fire Alarm
IoPhic Smoke Detector & Fire Alarm
Discontinued
MDS107
Smoke & Fire Alarms w/ Ionization Sensor
Smoke & Fire Alarms w/ Ionization Sensor
Discontinued
1209
Ionization Smoke & Fire Alarm, Large Plate, 9V Battery
Ionization Smoke & Fire Alarm, Large Plate, 9V Battery
Discontinued
1227L
Hardwired Ionization Smoke Detector and Fire Alarm
Hardwired Ionization Smoke Detector and Fire Alarm
Discontinued
1204
Ionization Smoke and Fire Alarm, 9V Battery Operated
Ionization Smoke and Fire Alarm, 9V Battery Operated
Discontinued
2975
Ionization Sensor Smoke Alarm, 9V Battery Operated
Ionization Sensor Smoke Alarm, 9V Battery Operated
Discontinued
1122L

What are some features and benefits of USI's smoke and fire alarms?

USI's smoke and fire alarms respond quickly to all types of fire. Multiple alarms possess automatic features, including a self-diagnostics check, and temperature adjustment for sudden temperature and humidity change. Alarms feature front-loading battery drawers for added convenience, and are easily installed. USI's smoke and fire alarms are ideal for homes, apartments, and mobile homes.

Are USI's smoke and fire alarms safe to use?

USI's smoke and fire alarms are some of the safest detectors on the market. With multiple styles and designs to ensure your family's safety, USI brings some of the most innovative technology to HomElectrical. Choose from universal smoke sensing technology, photoelectric, and ionization models.

Why is my smoke alarm blinking red?

This is a sure indication that the power supply to your smoke detector is low. Be sure to change your battery at least once a year.
Need Assistance?

Never Stop Saving!

With HomElectrical, you are not just buying a product, you are buying a solution. Our goal is to help you make the most educated choice possible with the highest quality customer service. Whether it is about your electrical supplies, LED lighting, or HVAC projects, we have the knowledge and expertise to be your supply house. HomElectrical promotes growth and embraces change to save the earth and your wallet.