Compare Products
Choose upto 5 items for side by side feature comparison
My collections icon
Go to collections
Filters IconShow filters

Shop Home Depot First Alert 9120B

Ads
New tab icon
Product Image
First Alert 9120B 120 Volt Hardwire…
$29.99
Walmart
4.5
·
6
New tab icon
Product Image
530+ viewed
FIRST ALERT SC9120B Corded E…
$69.64
Amazon.com
4.5
·
216
New tab icon
Product Image
Cost-Effective · Easily Replaceable · Easy installation · First Alert · Sleek Appearance
First Alert 9120B Smoke Detector, H…
$64.60
Amazon.com
4.5
·
10K+
New tab icon
Product Image
Cost-Effective · Easily Replaceable · Easy to install · First Alert · Sleek Appearance
BRK First Alert 9120BFF/ SMI100-…
$22.99
Amazon.com
4.5
·
10K+
New tab icon
Product Image
First Alert SMI100, Battery-Operated S…
$15.98
Amazon.com
4.5
·
10K+
New tab icon
Product Image
Cost-Effective · Easily Replaceable · Easy installation · First Alert · Perfect fit
First Alert Hardwired 120V Io…
$27.99
Walmart
5.0
·
44
New tab icon
Product Image
Cost-Effective · Easy to install · First Alert · Sleek Appearance
First Alert BRK 9120Bff-6 Hardwir…
$110.00
Amazon.com
delivery truck
Free shipping
New tab icon
Product Image
First Alert SM500V, Interconnect Batte…
$44.46
Amazon.com
4.5
·
1K+
New tab icon
Product Image
Brk Hard-Wired W/Battery Back-U…
$29.95
Walmart
5.0
·
1
New tab icon
Product Image
First Alert 9120B 2Pk G, Battery Har…
$48.99
Walmart
4.5
·
28
New tab icon
Product Image
First Alert Hardwired Smoke …
$122.99
Walmart
5.0
·
5
New tab icon
Product Image
First Alert BRK SC9120B-6 Hardwi…
$296.00
Amazon.com
delivery truck
Free shipping
New tab icon
Product Image
First Alert SMI100, Battery-Operated S…
$47.94
Amazon.com
4.5
·
10K+
New tab icon
Product Image
Cost-Effective · Easily Replaceable · Easy installation · First Alert · Perfect fit
First Alert Smoke Alarm 120 V Ioniza…
$37.83
DkHardware.com
New tab icon
Product Image
510+ viewed
FIRST ALERT BRK SC9120B-3 Hardwi…
$179.99
Amazon.com
4.5
·
10K+
New tab icon
Used
First Alert Brk 9120Bp Smoke De…
$15.00
eBay
delivery truck
Free shipping
New tab icon
680+ viewed
First Alert BRK Sc-9120B Hardwired …
$72.99
Walmart
4.5
·
10K+
New tab icon
BRK - 9120B - Smoke Alarm Wit…
$18.21
eComfort
5.0
·
7
New tab icon
Used
First Alert BRK 9120B Smoke Det…
$24.99
eBay.com
5.0
·
7
New tab icon
First Alert SM100V-AC, Interconnect H…
$36.38
Amazon.com
4.5
·
51
  1. Showing 1 - 36 out of 173 results for "home depot first alert 9120b"
    1. Saved
      Save to wishlist
      First Alert 9120B Smoke Detector, Hardwired Alarm With Battery Backup, 12-Pack
      4.8
      ·
      383
      4.8
      383 Ratings
      First Alert 9120B Smoke Detector, H…
      A
      Amazon.com
      delivery truckFree shipping
    2. Saved
      Save to wishlist
      First Alert 9120B Smoke Detector & Alarm, Ac Powered Battery Backup
      First Alert 9120B Smoke Detector & …
      E
      eBay
      delivery truckFree shipping
    3. Saved
      Save to wishlist
      First Alert 9120B Smoke Detector & Alarm, AC Powered With Battery Backup
      First Alert 9120B Smoke Detector & …
      E
      eBay
    4. Saved
      Save to wishlist
      First Alert 9120B 120 Volt Hardwired Smoke Alarm With Battery Back Up 5 Pack
      First Alert 9120B 120 Volt Hardwired …
      A
      Amazon.com
      delivery truckFree shipping
    5. Saved
      Save to wishlist
      First Alert 9120B Smoke Detector & Alarm, AC Powered With Battery Backup
      First Alert 9120B Smoke Detector & …
      E
      eBay.com
      delivery truckFree shipping
    6. Saved
      Save to wishlist
      First Alert SMI100-AC, 9120B Replacement Hardwire Interconnect Smoke Alarm With Battery Backup, 1-Pack
      4.5
      ·
      82
      4.5
      82 Ratings
      First Alert SMI100-AC, 9120B Replac…
      A
      Amazon.com
    7. Saved
      Save to wishlist
      First Alert 9120B Smoke Detector & …
      E
      eBay
      delivery truckFree shipping
    8. Saved
      Save to wishlist
      First Alert BRK SC-9120B Yaobkn Ha…
      A
      Amazon.com
      delivery truckFree shipping
    9. Saved
      Save to wishlist
      4.6
      ·
      5
      4.6
      5 Ratings
      First Alert 9120B 120V Hardwired S…
      E
      eBay
    10. Saved
      Save to wishlist
      4.6
      ·
      5
      4.6
      5 Ratings
      First Alert, BRK 9120B Hardwired Sm…
      E
      eBay
    11. Saved
      Save to wishlist
      (13) Brk First Alert 9120B Smoke Ala…
      E
      eBay
    12. Saved
      Save to wishlist
      First Alert 9120B Hardwired Smoke …
      E
      eBay
    13. Saved
      Save to wishlist
      5
      ·
      2
      5
      2 Ratings
      First Alert Hardwired Smoke Alarm …
      E
      eBay
    14. Saved
      Save to wishlist
      First Alert BRK 9120B (3Pack) AC Po…
      E
      eBay
    15. Saved
      Save to wishlist
      4.6
      ·
      5
      4.6
      5 Ratings
      BRK First Alert 9120B Smoke Detect…
      E
      eBay
    16. Saved
      Save to wishlist
      First Alert 9120B Smoke Detector, H…
      E
      eBay
      delivery truckFree shipping
    17. Saved
      Save to wishlist
      First Alert 9120B Wire-In Single/Multi…
      E
      eBay
      delivery truckFree shipping
    18. Saved
      Save to wishlist
      First Alert Smoke Detector 9120B
      E
      eBay
    19. Saved
      Save to wishlist
      FIRST ALERT 9120B Smoke Detecto…
      E
      eBay
    20. Saved
      Save to wishlist
      First Alert 9120B Smoke Detector & …
      B
      Buyerspreferred
    21. Saved
      Save to wishlist
      4.8
      ·
      10
      4.8
      10 Ratings
      First Alert Brk 9120B Hardwired Ac P…
      E
      eBay
    22. Saved
      Save to wishlist
      4.8
      ·
      383
      4.8
      383 Ratings
      First Alert 9120B Smoke Detector, H…
      A
      Amazon
    23. Saved
      Save to wishlist
      First Alert Brk 9120B/ Smi100ac Har…
      E
      eBay
    24. Saved
      Save to wishlist
      5
      ·
      8
      5
      8 Ratings
      First Alert 9120B Smoke Detector, H…
      U
      US eBay
      delivery truckFree shipping
    25. Saved
      Save to wishlist
      First Alert 9120B Smoke Detector & …
      A
      Aperture_Lab
    26. Saved
      Save to wishlist
      First Alert 9120B Smoke Detector & …
      U
      US eBay
      delivery truckFree shipping
    27. Saved
      Save to wishlist
      First Alert 9120B - Hardwired Smoke …
      E
      eBay
    28. Saved
      Save to wishlist
      First Alert Sc9120b Hardwired Smok…
      E
      eBay
      delivery truckFree shipping
    29. Saved
      Save to wishlist
      4.6
      ·
      5
      4.6
      5 Ratings
      3 BRK First Alert 9120B Smoke Dete…
      E
      eBay
    30. Saved
      Save to wishlist
      BRK First Alert 9120B Smoke Detect…
      I
      Itemsforhome
    31. Saved
      Save to wishlist
      4.5
      ·
      68
      4.5
      68 Ratings
      BRK First Alert 9120B Smoke Detector
      E
      eBay.com
      delivery truckFree shipping
    32. Saved
      Save to wishlist
      First Alert 9120B Smoke Detector & …
      P
      Ptouve11
    33. Saved
      Save to wishlist
      4.6
      ·
      5
      4.6
      5 Ratings
      First Alert BRK 9120B Hardwired AC …
      E
      eBay
    34. Saved
      Save to wishlist
      First Alert 9120B Smoke Detector, H…
      S
      Sorobi_6615
    35. Saved
      Save to wishlist
      First Alert 9120B Smoke Detector, H…
      K
      Kinghtshed
    36. Saved
      Save to wishlist
      First Alert 9120B Smoke Detector, H…
      A
      Adventuresshop
    Oops! We are sorry, something went wrong.
    Continue your shopping by clicking on another product
    Product added to your wishlist! View wishlist
    Sign in to see your saved products on any device
    Product removed from your wishlist! View wishlist
    Sign in to see your saved products on any device
    Something went wrong. Please try again later.
    Product is added to compare already. Please refresh the page.
    Product is not found in compare. Please refresh the page.
    5 Products already added. Please delete existing selection to add this.
  2. Ads