Shop hardwired interconnected smoke detectors

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$218.91
$437.91
Large Home Security System | Smoke And Fire Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
50% off
$218.91
$437.91
Large Home Security System | Smoke And Fire Detection | Official Simplisafe
SimpliSafe, Inc.
$539.99
$585.21
BRK SMICO100-AC Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector With Battery Backup, SMICO100-AC, 12-Pack
Amazon.com
Free shipping
$539.99
$585.21
BRK SMICO100-AC Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector With Battery Backup, SMICO100-AC, 12-Pack
Amazon.com
$84.99
Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup Smoke Alarm, Interconnectable, LED Warning Light Indicators, 2 Pack
Amazon.com
466
Free shipping
$84.99
Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup Smoke Alarm, Interconnectable, LED Warning Light Indicators, 2 Pack
Amazon.com
$35.00
Smoke Detector - Lithium Battery - ULINE
Uline
$35.00
Smoke Detector - Lithium Battery - ULINE
Uline
$32.99
BRK SMI105-AC Smoke Alarm - Hardwired With Ionization Sensor And 10 Year Battery Backup
WholesaleHome
$32.99
BRK SMI105-AC Smoke Alarm - Hardwired With Ionization Sensor And 10 Year Battery Backup
WholesaleHome
$19.00
Smoke Detector - 9V Battery - ULINE
Uline
$19.00
Smoke Detector - 9V Battery - ULINE
Uline
$32.99
BRK SM100V-AC Smoke Alarm - Hardwired With Voice Alerts, Interconnectivity, And Replaceable Battery
WholesaleHome
$32.99
BRK SM100V-AC Smoke Alarm - Hardwired With Voice Alerts, Interconnectivity, And Replaceable Battery
WholesaleHome
$83.47
Hardwired Interconnected Smoke Detector, AC Smoke Alarm With DC 9V Backup Battery, ETL-9Th Listed Fire Alarm, 4 Packs
Home Depot
13
Free shipping
$83.47
Hardwired Interconnected Smoke Detector, AC Smoke Alarm With DC 9V Backup Battery, ETL-9Th Listed Fire Alarm, 4 Packs
Home Depot
$65.00
Smoke And Carbon Monoxide Detector - Lithium Battery - ULINE
Uline
$65.00
Smoke And Carbon Monoxide Detector - Lithium Battery - ULINE
Uline
$54.98
Hardwired Ring App Enabled Smart Smoke Detector With AA Backup Battery, Voice Alerts, Interconnected Alarm
Home Depot
39
Free shipping
$54.98
Hardwired Ring App Enabled Smart Smoke Detector With AA Backup Battery, Voice Alerts, Interconnected Alarm
Home Depot
$109.00
Hardwired Interconnected Smoke Detector With Photoelectric Sensor (4-Pack) 21032827
Home Depot
23
Free shipping
$109.00
Hardwired Interconnected Smoke Detector With Photoelectric Sensor (4-Pack) 21032827
Home Depot
$19.99
BRK First Alert - FG250B Dual Ionization Smoke Alarm With 9-Volt Battery
WholesaleHome
$19.99
BRK First Alert - FG250B Dual Ionization Smoke Alarm With 9-Volt Battery
WholesaleHome
$13.38
First Alert 9120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm (Upgraded To SMI100-AC)
Electric Bargain Store
39
$13.38
First Alert 9120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm (Upgraded To SMI100-AC)
Electric Bargain Store
$55.32
ABB Busch-Jaeger Smoke Detector Lithium Connectable - 2CKA006800A2718
Tameson.com
$55.32
ABB Busch-Jaeger Smoke Detector Lithium Connectable - 2CKA006800A2718
Tameson.com
$268.79
Trane Sen01789 Smoke Detector Sensor - Photoelectric - Probes & Sensors
Parts Town
$268.79
Trane Sen01789 Smoke Detector Sensor - Photoelectric - Probes & Sensors
Parts Town
$28.46
Kidde 20SAR Hardwired Smoke Detector With Interconnected Alarm And LED Warning Lights (Upgraded To SMACFEX)
Electric Bargain Store
$28.46
Kidde 20SAR Hardwired Smoke Detector With Interconnected Alarm And LED Warning Lights (Upgraded To SMACFEX)
Electric Bargain Store
$74.00
Brk Smco100v-Ac Interconnect Hardwire Smoke And Co Alarm (1046781)
eBay
Free shipping
$74.00
Brk Smco100v-Ac Interconnect Hardwire Smoke And Co Alarm (1046781)
eBay
$319.99
BRK Hard-Wired W/Battery Back-Up Photoelectric Smoke And Carbon Monoxide Detector W/Voice 6 Pk
Ace Hardware
$319.99
BRK Hard-Wired W/Battery Back-Up Photoelectric Smoke And Carbon Monoxide Detector W/Voice 6 Pk
Ace Hardware
$13.38
BRK Electronics First Alert 4120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm (Upgraded To SMI100-AC)
Electric Bargain Store
11
$13.38
BRK Electronics First Alert 4120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm (Upgraded To SMI100-AC)
Electric Bargain Store
$56.95
Kidde Cuacfex Hardwired Combination Smoke And Carbon Monoxide Detector
Lite Store USA
$56.95
Kidde Cuacfex Hardwired Combination Smoke And Carbon Monoxide Detector
Lite Store USA
$34.99
$44.99
First Alert 10 Year Battery-Powered Ionization Smoke And Carbon Monoxide Detector 1 Each
Ace Hardware
22% off
$34.99
$44.99
First Alert 10 Year Battery-Powered Ionization Smoke And Carbon Monoxide Detector 1 Each
Ace Hardware
$240.02
System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC/120VAC Replaces DH100ACDCLP
Voomi Supply
1
$240.02
System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC/120VAC Replaces DH100ACDCLP
Voomi Supply
$359.99
BRK SMICO105-AC Hard-Wired W/Battery Back-Up Ionization Smoke/Carbon Monoxide Combo Pack 6 Pk
Ace Hardware
$359.99
BRK SMICO105-AC Hard-Wired W/Battery Back-Up Ionization Smoke/Carbon Monoxide Combo Pack 6 Pk
Ace Hardware
$329.99
Sunco 6-Pack First Alert BRK SMICO100-AC Interconnect Hardwire Smoke And Carbon Monoxide Alarm
Sunco
26K+
$329.99
Sunco 6-Pack First Alert BRK SMICO100-AC Interconnect Hardwire Smoke And Carbon Monoxide Alarm
Sunco
$18.99
Sunco First Alert BRK Hardwired Ionization Smoke Alarm
Sunco
$18.99
Sunco First Alert BRK Hardwired Ionization Smoke Alarm
Sunco
$55.02
Universal Security Instruments Inc Combination 2-In-1 Smoke And Fire Alarm Detector Hardwired 10-Year Sealed Battery Backup Multi-Criteria D AMI1061SB
DkHardware.com
96
$55.02
Universal Security Instruments Inc Combination 2-In-1 Smoke And Fire Alarm Detector Hardwired 10-Year Sealed Battery Backup Multi-Criteria D AMI1061SB
DkHardware.com
$235.80
SD-SJ Edwards Four-Wire Smoke Sensor W/RJ-45 Connector
Valin Process Control Solutions
$235.80
SD-SJ Edwards Four-Wire Smoke Sensor W/RJ-45 Connector
Valin Process Control Solutions
$32.49
$114.62
Kidde Hardwired Smoke Carbon Monoxide Detector With 6 Kidde Hardwired Smoke Detectors(6Th Edition Alarm + CO Alarm 4 Pack/2 Pack)
max.juicespruce.com
71% off
$32.49
$114.62
Kidde Hardwired Smoke Carbon Monoxide Detector With 6 Kidde Hardwired Smoke Detectors(6Th Edition Alarm + CO Alarm 4 Pack/2 Pack)
max.juicespruce.com
$13.56
BRK 1046836 SMI100-AC Interconnectable Ion Smoke Alarm W/ Battery Backup | Supplyhouse.Com
SupplyHouse.com
14
$13.56
BRK 1046836 SMI100-AC Interconnectable Ion Smoke Alarm W/ Battery Backup | Supplyhouse.Com
SupplyHouse.com
$6.89
$21.97
Kidde 21026063 AC Hardwired Smoke Detector Alarm With 9V Back Up And Front Load Battery Door, White
core.teqic.com
68% off
$6.89
$21.97
Kidde 21026063 AC Hardwired Smoke Detector Alarm With 9V Back Up And Front Load Battery Door, White
core.teqic.com
$91.78
Universal Security Instruments Inc Combination 3-In-1 Hardwired Smoke Fire And CO Alarm Detector 10-Year Sealed Battery Backup Multi-Crit AMIC1510SB
DkHardware.com
38
$91.78
Universal Security Instruments Inc Combination 3-In-1 Hardwired Smoke Fire And CO Alarm Detector 10-Year Sealed Battery Backup Multi-Crit AMIC1510SB
DkHardware.com
$54.99
USI Sensing Plus Combo Smoke, Fire & CO Alarm, Sealed Battery (USI AMIC3511SB)
HomElectrical
5
$54.99
USI Sensing Plus Combo Smoke, Fire & CO Alarm, Sealed Battery (USI AMIC3511SB)
HomElectrical
$14.69
$50.99
Smoke Detector, Hardwired Interconnected Smoke Detectors, Smoke Alarm With Replaceable 9V Battery, Interconnects Up To 12 Fire Alarms Smoke Detectors, Photoelectric Fire Alarm With Test/Silence Button(Hardwired Interconnected Model/1 Pack)
sakjdfhasjk
71% off
$14.69
$50.99
Smoke Detector, Hardwired Interconnected Smoke Detectors, Smoke Alarm With Replaceable 9V Battery, Interconnects Up To 12 Fire Alarms Smoke Detectors, Photoelectric Fire Alarm With Test/Silence Button(Hardwired Interconnected Model/1 Pack)
sakjdfhasjk
$65.00
Kidde Hardwired Combination Smoke & Carbon Monoxide Detector, AA Battery Backup, 5-Inch
Walmart
181
Free shipping
$65.00
Kidde Hardwired Combination Smoke & Carbon Monoxide Detector, AA Battery Backup, 5-Inch
Walmart
$149.87
System Sensor D4120 4-Wire Duct Smoke Detector, 4-Wire, Photoelectric, Low-Flow (24/120V), D4120 | Supplyhouse.Com
SupplyHouse.com
1
$149.87
System Sensor D4120 4-Wire Duct Smoke Detector, 4-Wire, Photoelectric, Low-Flow (24/120V), D4120 | Supplyhouse.Com
SupplyHouse.com
$76.63
Honeywell SA520B Sa520b Interconnected Smoke Alarm With Hardwire Adapter Included
Voomi Supply
$76.63
Honeywell SA520B Sa520b Interconnected Smoke Alarm With Hardwire Adapter Included
Voomi Supply
Smoke Detector Wiring 101 | DoItYourself.com
Smoke Detector Wiring 101 | DoItYourself.com
Jun 11, 2010
doityourself.com
Can different brands of smoke detectors be interconnected? - TimesMojo
Can different brands of smoke detectors be interconnected? - Ti…
Jul 7, 2022
timesmojo.com
Kidde Hardwired Ring App Enabled Smart Smoke Detector with AA Backup Battery, Voice Alerts, Interconnected Alarm 21033276
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Kidde Hardwired Ring App Enabled Smart Smoke Detector with AA Ba…
8 views11 months ago
HOMEDEPOT
Kidde Hardwired Ring App Enabled Smart Smoke & Carbon Monoxide Detector, AA Battery Backup, Voice Alerts, Interconnected Alarm 21033275
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Kidde Hardwired Ring App Enabled Smart Smoke & Carbon Monoxide …
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Kidde Firex Hardwired Smoke Detector with Ionization Sensor 21029877
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Kidde Firex Hardwired Smoke Detector with Ionization Sensor 21…
8 viewsSep 18, 2024
HOMEDEPOT
These Wi-Fi-Connected Smoke Detectors Will Send Alerts to Your Phone
These Wi-Fi-Connected Smoke Detectors Will Send Alerts to You…
Jul 22, 2024
goodhousekeeping.com
Kidde 10-Year Battery and Hardwired Smoke and Carbon Monoxide Detector, Interconnectable and LED Warning Lights 21031544 21031544
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Kidde 10-Year Battery and Hardwired Smoke and Carbon Mo…
8 views11 months ago
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How to Replace Smoke Detectors
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1 viewsApr 15, 2024
amazon
How to Install a New Hard-Wired Smoke Alarm
Feb 28, 2025
familyhandyman.com
How And When To Replace A Hard-Wired Smoke Detector
Jul 11, 2022
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Installing Wireless Interconnected Smoke Alarms
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Installing Interconnected Wireless Smoke Alarms
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How to disconnect a wired FIREX Smoke Alarm / Fire Detector
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How To Connect Wireless Smoke/CO Alarms | Kidde Wireless
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Shop hardwired interconnected smoke detectors

Sponsored
About our ads
$218.91
$437.91
Large Home Security System | Smoke And Fire Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
50% off
$218.91
$437.91
Large Home Security System | Smoke And Fire Detection | Official Simplisafe
SimpliSafe, Inc.
$539.99
$585.21
BRK SMICO100-AC Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector With Battery Backup, SMICO100-AC, 12-Pack
Amazon.com
Free shipping
$539.99
$585.21
BRK SMICO100-AC Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector With Battery Backup, SMICO100-AC, 12-Pack
Amazon.com
$84.99
Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup Smoke Alarm, Interconnectable, LED Warning Light Indicators, 2 Pack
Amazon.com
466
Free shipping
$84.99
Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup Smoke Alarm, Interconnectable, LED Warning Light Indicators, 2 Pack
Amazon.com
$35.00
Smoke Detector - Lithium Battery - ULINE
Uline
$35.00
Smoke Detector - Lithium Battery - ULINE
Uline
$32.99
BRK SMI105-AC Smoke Alarm - Hardwired With Ionization Sensor And 10 Year Battery Backup
WholesaleHome
$32.99
BRK SMI105-AC Smoke Alarm - Hardwired With Ionization Sensor And 10 Year Battery Backup
WholesaleHome
$19.00
Smoke Detector - 9V Battery - ULINE
Uline
$19.00
Smoke Detector - 9V Battery - ULINE
Uline
$32.99
BRK SM100V-AC Smoke Alarm - Hardwired With Voice Alerts, Interconnectivity, And Replaceable Battery
WholesaleHome
$32.99
BRK SM100V-AC Smoke Alarm - Hardwired With Voice Alerts, Interconnectivity, And Replaceable Battery
WholesaleHome
$83.47
Hardwired Interconnected Smoke Detector, AC Smoke Alarm With DC 9V Backup Battery, ETL-9Th Listed Fire Alarm, 4 Packs
Home Depot
13
Free shipping
$83.47
Hardwired Interconnected Smoke Detector, AC Smoke Alarm With DC 9V Backup Battery, ETL-9Th Listed Fire Alarm, 4 Packs
Home Depot
$65.00
Smoke And Carbon Monoxide Detector - Lithium Battery - ULINE
Uline
$65.00
Smoke And Carbon Monoxide Detector - Lithium Battery - ULINE
Uline
$54.98
Hardwired Ring App Enabled Smart Smoke Detector With AA Backup Battery, Voice Alerts, Interconnected Alarm
Home Depot
39
Free shipping
$54.98
Hardwired Ring App Enabled Smart Smoke Detector With AA Backup Battery, Voice Alerts, Interconnected Alarm
Home Depot
$109.00
Hardwired Interconnected Smoke Detector With Photoelectric Sensor (4-Pack) 21032827
Home Depot
23
Free shipping
$109.00
Hardwired Interconnected Smoke Detector With Photoelectric Sensor (4-Pack) 21032827
Home Depot
$19.99
BRK First Alert - FG250B Dual Ionization Smoke Alarm With 9-Volt Battery
WholesaleHome
$19.99
BRK First Alert - FG250B Dual Ionization Smoke Alarm With 9-Volt Battery
WholesaleHome
$13.38
First Alert 9120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm (Upgraded To SMI100-AC)
Electric Bargain Store
39
$13.38
First Alert 9120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm (Upgraded To SMI100-AC)
Electric Bargain Store
$55.32
ABB Busch-Jaeger Smoke Detector Lithium Connectable - 2CKA006800A2718
Tameson.com
$55.32
ABB Busch-Jaeger Smoke Detector Lithium Connectable - 2CKA006800A2718
Tameson.com
$268.79
Trane Sen01789 Smoke Detector Sensor - Photoelectric - Probes & Sensors
Parts Town
$268.79
Trane Sen01789 Smoke Detector Sensor - Photoelectric - Probes & Sensors
Parts Town
$28.46
Kidde 20SAR Hardwired Smoke Detector With Interconnected Alarm And LED Warning Lights (Upgraded To SMACFEX)
Electric Bargain Store
$28.46
Kidde 20SAR Hardwired Smoke Detector With Interconnected Alarm And LED Warning Lights (Upgraded To SMACFEX)
Electric Bargain Store
$74.00
Brk Smco100v-Ac Interconnect Hardwire Smoke And Co Alarm (1046781)
eBay
Free shipping
$74.00
Brk Smco100v-Ac Interconnect Hardwire Smoke And Co Alarm (1046781)
eBay
$319.99
BRK Hard-Wired W/Battery Back-Up Photoelectric Smoke And Carbon Monoxide Detector W/Voice 6 Pk
Ace Hardware
$319.99
BRK Hard-Wired W/Battery Back-Up Photoelectric Smoke And Carbon Monoxide Detector W/Voice 6 Pk
Ace Hardware