Picture 1 of 4
Stock photo
Picture 1 of 4
Stock photo
First Alert 3120B Hardwired Smoke Alarm
J's Vintage Garage (3199)
99.4% positive feedback
Price:
$31.47
Returns:
30 days returns. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount.
Condition:
- Buy It NowBRK 3120B Smoke Detector AC Powered Photo & Ion Sensors OptiPath 360 - NEW
Oops! Looks like we're having trouble connecting to our server.
Refresh your browser window to try again.
About this product
Product Identifiers
BrandFirst Alert
MPN3120B
UPC0029054007100
ModelFirst Alert 3120B
eBay Product ID (ePID)9034024896
Product Key Features
Power SourceBattery, Hardwired
Number of Batteries2
FeaturesBattery Backup
ColorWhite
TypeSmoke Alarm
Ratings and Reviews
Most relevant reviews
- Jan 12, 2025
Only time will tell
This was super easy to install. I’m replacing 20 year old hardwired smoke detectors that would set off false alarms. My research pointed to BRK 3120B. Only the test of time will tell if this is an improvement.Verified purchase: YesCondition: New
- Jan 17, 2025
Perfect for my situation, love the dual ...
Perfect for my situation, love the dual power and dual sensorsVerified purchase: YesCondition: New
