Discontinued Products Archive
Looking for an older product? This archive includes discontinued items that still have product pages available, along with manuals, specifications, and replacement information where applicable.
Showing 1-90 of 90 discontinued products
Bundle of 3 USI Photoelectric Wired-In Smoke Alarm 2-Packs (USI-3204-2P-3CC)
SKU: USI-3204-2P-3CC-B3
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI 10-Year Lithium Battery Operated Universal Smoke Sensing Smoke Alarm MDS300L
SKU: MDS300L
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI 10-Year Lithium Battery-Operated Ionization Smoke Alarm (2975L)
SKU: 2975L
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI 120-Volt AC/DC Wired-In Ionization Smoke Alarm USI-1209HA
SKU: USI-1209HA
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
Universal Security Instruments Battery-Operated Ionization Smoke Alarm (2975)
SKU: 2975
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
Universal Security Instruments Recreational Vehicle Smoke Alarm (SS-775)
SKU: SS-775-12CC
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Battery-Operated Photoelectric Smoke Alarm (SS-901-LR-6P)
SKU: SS-901-LR-6P
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Battery-Operated Photoelectric Smoke Alarm, 2-Pack (SS-901-2C/3CC)
SKU: SS-901-2C/3CC
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Battery-Operated Universal Smoke Sensing Smoke Alarm
SKU: MDS300B
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Compact Size Battery-Operated Ionization Smoke Alarm (SS-770-24CC)
SKU: SS-770-24CC
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Compact Size Battery-Operated Ionization Smoke Alarms, 6-Pack (SS-770-6CC)
SKU: SS-770-6CC
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Hardwired Photoelectric Smoke Alarm (SS-2895-6P)
SKU: SS-2895-6P
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Ionization 120-Volt Wired-In Smoke Alarm with Battery Backup (USI-1204HA)
SKU: USI-1204HA
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Photoelectric 120-Volt AC/DC Wired-In Smoke Alarm (USI-3204-6P)
SKU: USI-3204-6P
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Photoelectric 120-Volt AC/DC Wired-In Smoke Alarm, 2-Pack (USI-3204-2P-3CC)
SKU: USI-3204-2P-3CC
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Quick Change Battery-Operated Ionization Smoke and Fire Alarm
SKU: 976LR
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Sensing Plus Hardwired Smoke Alarm with 10 Year Battery Backup
SKU: AMI1061SC
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Smart Battery-Operated Ionization Smoke Alarm (MI3050)
SKU: MI3050
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Smart Battery-Operated Photoelectric Smoke Alarm (MP308)
SKU: MP308
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Value Pack Smoke Alarm MDS300-401 & Plug-in CO and Natural Gas Alarm MCND401
SKU: MDS300-401
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI 10 Year Alarm Starter Kit, Smoke, Fire & Carbon Monoxide Bundle
SKU: usi-10-year-bundle
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
10 Year Battery Smoke, Fire and Carbon Monoxide Alarm, Tamper-Proof
SKU: MIC3510SB
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
10 Year Sealed Battery Carbon Monoxide Smart Alarm
SKU: MC304SB
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
10 Year Sealed Battery Hallway Combo Smoke and Carbon Monoxide Alarm
SKU: AMICH3511SC
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
10 Year Sealed Battery Living Room Smoke and Fire Alarm
SKU: AMIL3051SC
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
10 Year Sealed Battery Bedroom Smoke and Fire Alarm
SKU: AMIB3051SC
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI 120 Volt Ionization Smoke Alarm and Strobe Kit for Hearing Impaired
SKU: 2453
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI 120 Volt Photoelectric Smoke Alarm and Strobe Kit for Hearing Impaired
SKU: 2417
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Hardwired 2-in-1 Universal Smoke Sensing Smoke and Fire Smart Alarm
SKU: MI106S
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI 3-in-1 Universal Smoke and Carbon Monoxide 10 Year Smart Alarm
SKU: MIC1509S
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI 4-in-1 Hardwired Smart Alarm with Smoke, Fire, CO and Gas Detection
SKU: MDSCN111
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Apartment/Condo Smoke, Fire & Carbon Monoxide Bundle, 6 Alarms
SKU: usi-ap-condo-bundle
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Bedroom 10 Year Sealed Battery Smoke & Fire Smart Alarm (MIB3050S)
SKU: MIB3050S
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Bedroom 2-in-1 Smoke and Fire Alarm, 10 Year Sealed Battery
SKU: MI3050SB
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric 10-Year Lithium Battery-Operated Ionization Smoke Alarm USI-1122L
SKU: USI-1122L
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric USI-2177 Hardwired Strobe Light For Use With Smoke Alarms
SKU: USI-2177
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric 120-Volt Ionization Smoke Alarm and Strobe Light Kit (USI-2413)
SKU: USI-2413
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Bath Exhaust Fan with 100-Watt Lamp and Heater, 70CFM (B - BF-704LH
SKU: BF-704LH
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Bath Exhaust Fan with 3-Inch Vent and CustomMotor, 50 CFM (BF-503)
SKU: BF-503
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Bath Exhaust Fan with 3-Inch Vent and CustomMotor, 70 CFM (BF-703)
SKU: BF-703
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Bath Exhaust Fan with 4-Inch Vent and CustomMotor, 50 CFM (BF-504)
SKU: BF-504
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Bath Exhaust Fan with 4-Inch Vent and CustomMotor, 70 CFM (BF-704)
SKU: BF-704
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Bath Exhaust Fan, Custom Motor and 100-Watt Lamp - BF-704L
SKU: BF-704L
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Bath Exhaust Fan with Custom Motor and 100-Watt Lamp - BF-904L
SKU: BF-904L
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Bath Exhaust Fan with Custom-Designed Motor - BF-1104LF
SKU: BF-1104LF
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Bath Exhaust Fan, Custom Motor and 26-Watt Fluorescent - BF-504LF
SKU: BF-504LF
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Bath Exhaust Fan, Custom Motor and 26-Watt Fluorescent - BF-704LF
SKU: BF-704LF
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Bath Exhaust Fan with Custom Motor and 26-Watt Light - BF-904LF
SKU: BF-904LF
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Bath Exhaust Fan with Custom Motor and 75-Watt Lamp - BFR-704L
SKU: BFR-704L
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Bath Exhaust Fan, Custom Motor and Heat Bulb - BF-704HB
SKU: BF-704HB
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Bath Exhaust Fan with Custom-Designed Motor, 110 CFM (BF-1104)
SKU: BF-1104
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Bath Exhaust Fan with Custom-Designed Motor, 90 CFM (BF-904)
SKU: BF-904
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Battery-Operated Ionization Smoke and Fire Alarm (USI-1227L)
SKU: USI-1227L
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Wired-In Dual Tone Chime Kit with One Push Button (BCK1-PDWH1UN)
SKU: BCK1-PDWH1UN
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Wired-In Dual Tone Chime Kit with Two Push Buttons (BCK1-PDWH2UN)
SKU: BCK1-PDWH2UN
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Ceiling Fan & Lighting Fixture Brace, Adjustable Steel Bar, BFB-926
SKU: BFB-926
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Energy Star Qualified Bath Exhaust Fan with Light - BF-1106L52UQ
SKU: BF-1106L52UQ
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Energy Star Qualified Bath Exhaust Fan with Light - BF-1506L52UQ
SKU: BF-1506L52UQ
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Energy Star Qualified Bath Exhaust Fan with Nightlight BF-806L52UQ
SKU: BF-806L52UQ
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Energy Star Qualified Bath Exhaust Fan, 110 CFM (BF-1106UQ)
SKU: BF-1106UQ
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Energy Star Qualified Bath Exhaust Fan, 150 CFM (BF-1506UQ)
SKU: BF-1506UQ
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Energy Star Qualified Bath Exhaust Fan, 80 CFM (BF-806UQ)
SKU: BF-806UQ
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Hardwired 2-in-1 Universal Smoke Sensing Smoke Alarm
SKU: MDS107
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Hardwired 3-in-1 Smoke, CO and Natural Gas Alarm (MICN109)
SKU: MICN109
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Hardwired Fixed Temperature Heat Alarm with Backup Battery USI-2430
SKU: USI-2430
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Hardwired Ionization Smoke and Fire Alarm with Battery Backup
SKU: 5304
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Hardwired Ionization Smoke and Fire Alarm with Battery Backup MI106
SKU: MI106
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Hardwired Ionization Smoke Alarm with Long Life Battery Backup 5304L
SKU: 5304L
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Hardwired Photoelectric Smoke Alarm with Battery Backup (MP117)
SKU: MP117
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Metal Duct Adaptor Replacement Part for Bath Fans, 3-Inch Duct (BF-
SKU: BF-A3
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Metal Duct Adaptor Replacement Part for Bath Fans, 4-Inch Duct (BF-
SKU: BF-A4
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Motor Assembly Replacement Part for 50 CFM Bathroom Fans (BF-50MA)
SKU: BF-50MA
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Motor Assembly Replacement Part for 70 CFM Bathroom Fans (BF-70MA)
SKU: BF-70MA
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Plastic Duct Adaptor Replacement Part for Bath Fans, 3-Inch Duct (B
SKU: BF-A3P
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Plastic Duct Adaptor Replacement Part for Bath Fans, 4-Inch Duct (B
SKU: BF-A4P
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Relay Module for Smoke and Fire Alarms
SKU: USI-960
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Electric Square Grille Assembly Replacement Part for Bath Fans (BFSGR)
SKU: BFSGR
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Every Room 2-in-1 Smoke and Fire Alarm, 10 Year Sealed Battery (MIE3050S)
SKU: MIE3050S
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI First Floor Living Area, Smoke, Fire & Carbon Monoxide Bundle
SKU: usi-1st-floor-bundle
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Hallway 10 Year Battery Photoelectric Smoke & Carbon Monoxide Alarm MPC322SB
SKU: MPC322SB
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI MICH3510S Hallway 3-in-1 Smoke, Fire and Carbon Monoxide 10-Year Smart Alarm
SKU: MICH3510S
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Hardwired 2-in-1 Photoelectric Smoke and Carbon Monoxide Alarm
SKU: MPC122S
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Hardwired Carbon Monoxide Alarm Bundle, Includes 1 CO/Gas and 1 Combo Alarm
SKU: usi-wired-co-bundle
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
Hardwired Photoelectric Smoke Alarm with 10 Year Battery Backup
SKU: MP116S
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
Hardwired Combo Smoke and Carbon Monoxide Alarm
SKU: AMIC1510SC
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Homeowners Smoke, Fire & Carbon Monoxide Bundle, Include 8 Alarms
SKU: usi-homeowner-bundle
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Kitchen 10 Year Sealed Battery Smoke & Fire Smart Alarm (MDSK300S)
SKU: MDSK300S
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI Living Area 10 Year Sealed Battery Photoelectric Smoke Alarm (MP316SB)
SKU: MP316SB
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI NFL New York Giants 2-in-1 Smoke & Fire Alarm, 10 Year Battery, MDSK300S
SKU: MI3050SB-NYG
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
USI NFL New York Jets 2-in-1 Smoke & Fire Alarm, 10 Year Battery, MDSK300S
SKU: MI3050SB-NYJ
This product has been discontinued, but its product page remains available for manuals, specifications, and reference information.
Even when a product is no longer for sale, we know it’s still hard at work in your home. This archive serves as a dedicated resource hub for our discontinued items. Whether you need to download a PDF user manual, verify technical specifications, or find warranty information, you’ll find the original product documentation right here.
Technology evolves, but your safety and convenience remain our priority. If your current device has reached its end-of-life, each archived page includes recommendations for the most current replacement models and compatible upgrades to keep your system running smoothly.