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    CO & Smoke Combination Alarms: Universal Security Instruments Smoke Detectors Battery-Operated Ionization Smoke and Fire Alarm USI-1227L

    CO & Smoke Combination Alarms: Universal Security Instruments Smoke Detectors Battery-Operated Ionization Smoke and Fire Alarm USI-1227L

    Free Shipping on Over 500K Items!

    Shop for Electrical at The Home Depot. The USI Electric USI-1227L Battery-Operated Ionization Smoke and Fire Alarm responds quickly to fast-flaming fires to protect your family against deadly threats in the home. This alarm is operated by a 9-volt... more

    $8.99

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    HomeDepot.com

    (100,000+)
    CO & Smoke Combination Alarms: Universal Security Instruments Smoke Detectors 120-Volt Hardwired Smoke Alarm and Strobe Light Kit USI-2413

    CO & Smoke Combination Alarms: Universal Security Instruments Smoke Detectors 120-Volt Hardwired Smoke Alarm and Strobe Light Kit USI-2413

    Free Shipping on Over 500K Items!

    Shop for Electrical at The Home Depot. The USI Electric USI-2413 Smoke Alarm and Strobe Light Kit include a smoke alarm, a relay and a strobe light designed to meet all requirements for those who are hearing impaired. This kit includes (1) USI-1213 AC... more

    $79.99

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    HomeDepot.com

    (100,000+)
    CO & Smoke Combination Alarms: Universal Security Instruments Smoke Detectors Hardwired Relay Module for Smoke and Fire Alarms USI-960

    CO & Smoke Combination Alarms: Universal Security Instruments Smoke Detectors Hardwired Relay Module for Smoke and Fire Alarms USI-960

    Free Shipping on Over 500K Items!

    Shop for Electrical at The Home Depot. The USI Electric USI-960 Relay Module for Smoke and Fire Alarms is designed to control the external devices on USI Electric and Universal smoke alarms and/or fire alarms. This relay module is UL listed and... more

    $19.99

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    HomeDepot.com

    (100,000+)
    Usi Electric Smoke Fire Carbon Monoxide & Natural Gas Alarm Micn109

    Usi Electric Smoke Fire Carbon Monoxide & Natural Gas Alarm Micn109

    Product Description Size: Pack 1 Universal Security Instruments MICN109 3-in-1 IoPhic Smoke, Carbon Monoxide and Natural Gas Alarm is a perfect for new or replacement Installations. This 120-Volt AC/DC Hardwired Combination alarm Protects against smoke... more

    $41.99

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    USI 5304 Smoke Detector & Fire Alarm w/ Ionization Sensor

    USI 5304 Smoke Detector & Fire Alarm w/ Ionization Sensor

    120 Volt Smoke and Fire alarm is designed to keep an area safe by emitting a loud 85 decibel alarm. The fire detector also features tamper resistant battery locks which prevents unauthorized battery removal. The mounting bracket is designed to fit any... more

    $11.75

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    USI MCN400 Plug In Carbon Monoxide & Natural Gas Alarm

    USI MCN400 Plug In Carbon Monoxide & Natural Gas Alarm

    This new compact plug in alarm is perfect for new or replacement installations. It provides protection against two deadly household threats: Carbon monoxide and natural gas (methane). Its microprocessor intelligence is designed to eliminate nuisance... more

    $29.99

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    USI 2975 9V Battery Operated Ionization Smoke and Fire Alarm

    USI 2975 9V Battery Operated Ionization Smoke and Fire Alarm

    USI Battery Operated Ionization Smoke and Fire Alarm resists nuisance and false alarms. Battery operated with easy access battery drawer to ensure quick and easy installation. Ionization sensor detects fast flaming fires with a loud 85 dB alarm. Alarm... more

    $12.99

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    CO & Smoke Combination Alarms: Universal Security Instruments Safety Supplies Hardwired Fixed Temperature Heat Alarm USI-2430

    CO & Smoke Combination Alarms: Universal Security Instruments Safety Supplies Hardwired Fixed Temperature Heat Alarm USI-2430

    Free Shipping on Over 500K Items!

    Shop for Electrical at The Home Depot. The USI Electric USI-2430 Hardwired Fixed Temperature Heat Alarm responds quickly to temperatures above 135-degrees Fahrenheit to protect your family against deadly threats in the home. Perfect for new or... more

    $24.99

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    HomeDepot.com

    (100,000+)
    Usi Electric 10-year Lithium Battery-operated Ionization Smoke Alarm Usi-1122l

    Usi Electric 10-year Lithium Battery-operated Ionization Smoke Alarm Usi-1122l

    USI Electric 10-Year Lithium Battery-Operated Ionization Smoke Alarm USI-1122L Ionization Smoke and Fire Alarm 10-Year Lithium Battery Included 9 Volt Battery Operated Loud 85 dB alarm Continued Use after Power Outage Test/Silence Button Protective... more

    $14.95

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    One Usi Electric Usi-960 Relay Module For Smoke Heat Alarm System Usi960

    One Usi Electric Usi-960 Relay Module For Smoke Heat Alarm System Usi960

    marysgaragesale Store One New USI Electric USI-960 Relay Module for Smoke Heat Alarm System USI960 This Auction is for One Module   .               Within 48 Hours Please NEED IT FAST Call 561-234-7956 with questions or to set up expedited... more

    $13.04

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    Usi Electric Hardwired Fixed Temperature Heat Alarm With Backup Battery Usi-2430

    Usi Electric Hardwired Fixed Temperature Heat Alarm With Backup Battery Usi-2430

    USI Electric Hardwired Fixed Temperature Heat Alarm with Backup Battery USI-2430 USI Electric 120-Volt Ionization Smoke Alarm and Strobe Light Kit 120 Volt AC Wired-In 130 Degrees F (57 Degrees C)Maintains a Constant 1 Hz Flash Rate Power and Alarm... more

    $18.57

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    USI Electric USI-1122L Battery-Operated Ionization Smoke Alarm

    USI Electric USI-1122L Battery-Operated Ionization Smoke Alarm

    The USI Electric USI-1122L Battery-Operated Ionization Smoke and Fire Alarm responds quickly to fast-flaming fires to protect your family against deadly threats in the home. This alarm is operated by a 10 year lithium battery (included) that never... more

    $17.99

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    USI Electric USI-960 Relay Module for Smoke and Fire Alarms

    USI Electric USI-960 Relay Module for Smoke and Fire Alarms

    The USI Electric USI-960 Relay Module for Smoke and Fire Alarms is designed to control the external devices on USI Electric and Universal smoke alarms and/or fire alarms. This relay module is UL listed and controls lights, sirens, bells, electric... more

    $19.74

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    USI Electric MCN108 Hardwired 2-in-1 Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup

    USI Electric MCN108 Hardwired 2-in-1 Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup

    The USI Electric MCN108 Hardwired Carbon Monoxide and Natural Gas Smart Alarm is a 2-in-1 device that provides double the protection with a single installation. This dual-sensing alarm protects against two deadly household threats: carbon monoxide and... more

    $32.99

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    Smoke Alarms: Universal Security Instruments Smoke Detectors Hardwired Interconnected Smoke and Fire Alarm with Battery Backup 5304L

    Smoke Alarms: Universal Security Instruments Smoke Detectors Hardwired Interconnected Smoke and Fire Alarm with Battery Backup 5304L

    Free Shipping on Over 500K Items!

    Shop for Electrical at The Home Depot. This USI Electric brand smoke & fire alarm has been redesigned to include more performance features than ever before. It provides improved nuisance alarm resistance. Nuisance alarms are the leading reason for... more

    $19.99

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    HomeDepot.com

    (100,000+)
    USI Electric MP117 Hardwired Photoelectric Smoke and Fire Alarm with Battery Backup

    USI Electric MP117 Hardwired Photoelectric Smoke and Fire Alarm with Battery Backup

    The USI Electric MP117 Hardwired Photoelectric Smoke and Fire Alarm responds quickly to slow-smoldering fires to protect your family against deadly threats in the home. Perfect for new or replacement installations, the 120-volt AC hardwired alarm is... more

    $39.98

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    Rakuten.com Shopping

    (1,000,000+)
    Usi Plug In Combination Carbon Monoxide And Natural Gas Detector With Digital Display And 9 Volt Bat

    Usi Plug In Combination Carbon Monoxide And Natural Gas Detector With Digital Display And 9 Volt Bat

    This combination plug-in alarm is designed to detect carbon monoxide and natural gas that reaches the sensor. Quick activation pull tab. 7 year End-of-service life warning. Single silence-test button. Digital display screen. Memory button. 4 LED colors... more

    $69.01 $54.42

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    Rakuten.com Shopping

    (1,000,000+)
    Usi Direct Wire Combination Carbon Monoxide And Natural Gas Detector With 9 Volt Battery Backup. 120

    Usi Direct Wire Combination Carbon Monoxide And Natural Gas Detector With 9 Volt Battery Backup. 120

    This combination plug-in alarm is designed to detect carbon monoxide and natural gas that reaches the sensor. Quick activation pull tab. 7 year End-of-service life warning. Single silence-test button. Memory button. 4 LED colors display status of... more

    $58.09 $48.53

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    Rakuten.com Shopping

    (1,000,000+)
    Usi 106860 Iophic Combination Smoke, Co, And Natural Gas Alarm Value Pack

    Usi 106860 Iophic Combination Smoke, Co, And Natural Gas Alarm Value Pack

    4 in 1 Product Value pack containing two seperate alarms, the MDS300 9V Battery operated smoke and fire alarm and the MCND 401 Plug-in Carbon Monoxide and Natural Gas Alarm with 9V Battery back-up- New IoPhic UNIVERSAL Smoke Sensing technology responds... more

    $77.17

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    USI MCND401B Plug In Combination Carbon Monoxide And Natural Gas Detector With Digital Display And 9 Volt Battery Back Up, 120 Volt

    USI MCND401B Plug In Combination Carbon Monoxide And Natural Gas Detector With Digital Display And 9 Volt Battery Back Up, 120 Volt

    Don't let emergencies sneak up on you, every home needs a carbon monoxide detector. Keep your family and friends safe with this preventative Plug-In Carbon Monoxide Natural Gas Alarm with Display Screen. more

    $52.89

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    Universal Security Instruments USI-960 120V AC Relay Module for Smoke Alarm, 5A

    Universal Security Instruments USI-960 120V AC Relay Module for Smoke Alarm, 5A

    The USI Electric USI-960 Relay Module for Smoke and Fire Alarms is designed to control the external devices on USI Electric and Universal smoke alarms and/or fire alarms. This relay module is UL listed and controls lights, sirens, bells, electric... more

    $24.97 $19.74

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    USI - Ionization Sensor - Smoke/Fire & CO Alarm - 9V Battery Operated - CD-9775

    USI - Ionization Sensor - Smoke/Fire & CO Alarm - 9V Battery Operated - CD-9775

    Features Combination Smoke & Carbon Monoxide Alarm Separate Sensors to Detect Smoke or Carbon Monoxide QUICK-DRAW®- convenient pull-out drawer for easy battery replacement Easy Battery Replacement Silencer Feature - convenient silencer button with... more

    $32.79

    FREE shipping

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