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BRK Brands 1046741 10-YR S…

$49.05

Overstock.com

BRK 9120B Hardwired 120V I…

First Alert 9120B 120V AC/DC Har…

$13.48

Electric Bargain S…

4.5

BRK Brands 1046802 10 Year …

$59.99

Overstock.com

5.0

BRK First Alert SMCO100V-AC (…

$58.28

Electric Bargain S…

BRK Electronics First Alert ADF Ad…

$9.91

Electric Bargain S…

BRK Voice And Locatio Hard-Wire…

$37.99

Ace Hardware

4.5

BRK SMICO100-AC, Smoke/CO Al…

Security System For Large Homes | M…

Brk Hard-Wired W/Battery Back-U…

BRK First Alert SM310 (1046767…

$54.84

Electric Bargain S…

BRK Hard-Wired W/Battery Back-U…

$15.00

US eBay

5.0

BRK Hard-Wired W/Battery Back-U…

$319.99

Ace Hardware

Brk Hard Wired W/Battery Back U…

$64.26

Everymarket INC

Brk Smi100 Battery-Operated Smoke …

$12.45

eBay

Free shipping

BRK Voice And Location Alerts H…

$72.99

Ace Hardware

4.0

Carbon Monoxide Detector · Easy to install · First Alert · Works as advertised

BRK Hard-Wired W/Battery Back-U…

$43.99

Ace Hardware

Cost-Effective · Easy to install · First Alert · Smoke Detector · Works as advertised

BRK Electronics First Alert SC612…

SMICO100-AC BRK SC9120B Interco…

$577.19

Amazon.com

Free shipping

BRK Hard-Wired W/Battery Back-U…

BRK Voice And Location Alerts H…

$72.99

Ace Hardware

4.0

Carbon Monoxide Detector · Easy to install · First Alert · Works as advertised

BRK Hard-Wired W/Battery Back-U…

$43.99

Ace Hardware

Cost-Effective · Easy to install · First Alert · Smoke Detector · Works as advertised

BRK Electronics First Alert SC612…

SMICO100-AC BRK SC9120B Interco…

$577.19

Amazon.com

Free shipping

BRK Hard-Wired W/Battery Back-U…

BRK Smoke Alarm Contractor Pack …

Battery · Cost-Effective · Easy to install · First Alert · Smoke Detector

BRK Electronics First Alert 7010B …

BRK 9120LBL Smoke Alarm Det…

$22.60

US eBay

5.0

BRK Smoke Detector 6 PK Har…

BRK Ionization Sensor Smoke Al…

$20.00

US eBay

Free shipping

First Alert BRK 9120B Hardwired …

BRK Voice/Locatio Hard-Wired W/Bat…

BRK 9120B Hardwired AC Po…

$14.77

eBay.com

Free shipping

Cost-Effective · Easy to install · First Alert · Sturdy Construction

First Alert BRK Sc9120b 85-Deci…

$82.99

Walmart

5.0

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1. Saved
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  SALE
  3.4
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  437
  3.4
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  Kidde Smoke Alarm
  $30.15
  $37.08
  S
  Shoplet.com
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  4.5
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  291
  4.5
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  BRK 1046884 SMICO105-AC Interc…
  $64.63
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  SupplyHouse.com
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  4.3
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  195
  4.3
  195 ratings
  BRK SMI100, Smoke Alarm, Detect…
  $13.80
  1
  1000Bulbs.com
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  4.5
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  333
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  333 ratings
  BRK 1046850, Smoke Alarm, Detec…
  $27.12
  1
  1000Bulbs.com
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  4.5
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  293
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  BRK 1046864, Smoke And Carbon …
  $40.14
  1
  1000Bulbs.com
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  4.1
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  29
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  BRK 1046890 SMICO110 10-Year …
  $42.97
  S
  SupplyHouse.com
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  4.5
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  4.5
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  Brk Smoke Alarm W/ Led Strobe, S…
  $109.95
  E
  eBay
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  3.5
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  46
  3.5
  46 ratings
  BRK 1046802, Smoke And Carbon …
  $48.78
  1
  1000Bulbs.com
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  Used
  4.4
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  168
  4.4
  168 ratings
  Brk 9120Lbl Smoke Alarm Detector …
  $24.99
  E
  eBay
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  4.3
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  220
  4.3
  220 ratings
  First Alert/Brk 1046835 Ac/Dc Smok…
  $23.99
  H
  Hardware World
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  SALE
  Brk 83Rn Smoke Alarm Lot (20 Pcs…
  $292.60
  $308.00
  E
  eBay
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  3.2
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  48
  3.2
  48 ratings
  BRK 1046741, Smoke Alarm, Detec…
  $34.83
  1
  1000Bulbs.com
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  3.2
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  48
  3.2
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  BRK 1046757, Smoke Alarm With V…
  $40.14
  1
  1000Bulbs.com
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  3.8
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  245
  3.8
  245 ratings
  Kidde Detect Series 20SAR Hardwir…
  $31.47
  WebstaurantStore
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  4.6
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  74
  4.6
  74 ratings
  Kidde Detect Series 30CUA10 Hard…
  $72.49
  WebstaurantStore
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  BRK 1046774 SM500V Interconnec…
  $44.69
  S
  SupplyHouse.com
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  4.4
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  318
  4.4
  318 ratings
  First Alert SMI100-AC, Hardwire Int…
  $119.99
  $139.99
  T
  Target
  Free shipping
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  3.4
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  437
  3.4
  437 ratings
  Kidde Hardwired Interconnectable S…
  $51.49
  WebstaurantStore
19. Saved
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  SALE
  BRK 9120LBL Smoke Alarm Detect…
  $20.40
  $25.50
  E
  eBay.com
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  Brk Ionization Sensor Smoke Alarm …
  $24.00
  E
  eBay
  Free shipping
21. Saved
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  3.8
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  245
  3.8
  245 ratings
  Kidde Detect Series 20SD10 10-Ye…
  $31.47
  W
  WebstaurantStore
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  4.4
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  168
  4.4
  168 ratings
  BRK 9120LBL Smoke Alarm Detect…
  $24.99
  U
  US eBay
  Free shipping
23. Saved
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  4.5
  ·
  291
  4.5
  291 ratings
  BRK First Alert SMICO105-AC (104…
  $68.88
  Electric Bargain Store
24. Saved
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  4.3
  ·
  220
  4.3
  220 ratings
  3 Pcs Brk Smoke Alarm Smi100-Ac …
  $52.99
  E
  eBay
  Free shipping
25. Saved
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  BRK First Alert 9120B - Smoke Alar…
  $19.99
  E
  eBay
26. Saved
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  Brk 9120B6cp Hard-Wired Smoke A…
  $139.99
  W
  Walmart
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27. Saved
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  Smi100-Ac Brk Hard-Wired W/Batte…
  $89.95
  E
  eBay
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28. Saved
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  4.2
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  43
  4.2
  43 ratings
  Kidde Detect Series 20SA10 Hardwi…
  $37.77
  WebstaurantStore
29. Saved
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  4.5
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  291
  4.5
  291 ratings
  BRK 1046871 SMICO100-AC Interc…
  $57.16
  S
  SupplyHouse.com
30. Saved
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  3.4
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  437
  3.4
  437 ratings
  Kidde 21031447 Smoke Alarm
  $29.12
  H
  Hardware World
31. Saved
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  3.2
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  48
  3.2
  48 ratings
  First Alert BRK 10-Year Battery-Ope…
  $158.30
  L
  Lowe's
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  BRK Smoke Alarm: Smoke, Remov…
  $129.61
  G
  Grainger
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  4.5
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  509
  4.5
  509 ratings
  BRK 1046721, Smoke Alarm With V…
  $40.14
  1
  1000Bulbs.com
34. Saved
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  3.9
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  784
  3.9
  784 ratings
  Kidde 21031514 30CUD10 Carbon …
  $57.39
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  SupplyHouse.com
35. Saved
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  4.5
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  509
  4.5
  509 ratings
  BRK Voice And Locatio Hard-Wired …
  $43.99
  W
  Wayfair
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  4.4
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  222
  4.4
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  BRK Electronics First Alert SC9120…
  $68.80
  Electric Bargain Store
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BRK SMI110 10-Year Battery Ioniz…
$12.95
RES LLC Store M…
Used
New BRK The Professional Stan…
$18.00
US eBay
4.5
·
5
SMI100-AC BRK Hard-Wired W/Bat…
$89.95
US eBay
4.5
·
518
BRK 6-PACK SMICO105-AC, H…
$245.00
RES LLC Store M…
Free shipping
First Alert SM210, 10-Year Sealed B…
$26.98
Amazon.com
4.5
·
23
BRK Hard-Wired W/Battery Back-U…
$89.95
US eBay
4.5
·
518
Kidde i4618 4-Pack Hardwired Smok…
$70.84
samdoaccvn
BRK Electronics First Alert 7010LB…
$53.98
Electric Bargain S…
First Alert Voice Alert Hard-Wired …
$39.99
Ace Hardware
4.5
·
74
Kidde · Smoke Detectors · White
Kidde Detect Series 20SD10 10-Year …
$31.47
WebstaurantStore
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424
First Alert Contractor Pack S…
$47.12

$72.65
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BRK Hard-Wired W/Battery Back-U…
$134.99
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4.5
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518
Battery · Cost-Effective · Easy installation · First Alert
First Alert SC7010B 120V AC/DC Har…
$58.28
Electric Bargain S…
5.0
·
3
BRK Electronics | RV Smoke Alarm …
$42.00
RV Parts Depot
BRK First Alert SMCO210V (104…
$51.75
Electric Bargain S…
First Alert First Alert Smoke Alarm Co…
$36.04
DkHardware.com
4.5
·
317
First Alert Smoke Alarm, 10-Year S…
$24.99
Amazon.com
4.5
·
5K+
First Alert 10 Year Voice And Locatio…
$42.99
Ace Hardware
4.0
·
12
Battery · Cost-Effective · Easily Replaceable · Easy to install · Kidde
Kidde I12060a (21006376) 120V …
$29.88
Electric Bargain S…
4.0
·
23
First Alert/Brk 1046827 Smoke …
$16.89
Hardware World
4.5
·
8
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Top 10 Brk Smoke Alarms of 2025

1851B Smoke Detector by BRK ELECTRONICS