BRK SC9120B Hardwired Smoke and Carbon Monoxide Combo Alarm – 120V with 9V Battery Backup
SKU: 3667217465

BRK SC9120B Hardwired Smoke and Carbon Monoxide Combo Alarm – 120V with 9V Battery Backup

Sale price$65.60 Regular price$72.89
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

BRK SC9120B Hardwired Smoke and Carbon Monoxide Combo Alarm – 120V with 9V Battery BackupThe BRK SC9120B provides dual protection against smoke and carbon monoxide for residential applications. Hardwired for 120V AC power and featuring a 9V battery backup, it ensures continuous operation even during power outages. This combination alarm incorporates an ionization sensor for smoke detection and an electrochemical sensor for carbon monoxide detection, delivering reliable early warning in hazardous situations. It is interconnectable with

The BRK SC9120B provides dual protection against smoke and carbon monoxide for residential applications. Hardwired for 120V AC power and featuring a 9V battery backup, it ensures continuous operation even during power outages.

This combination alarm incorporates an ionization sensor for smoke detection and an electrochemical sensor for carbon monoxide detection, delivering reliable early warning in hazardous situations. It is interconnectable with other compatible BRK alarms, and includes features such as a latching alarm indicator, silence functions for low-battery and nuisance alarms, and an end-of-life signal. UL Listing guarantees compliance with recognized safety standards.

Voltage & Rating

  • Power Source: 120 Volts AC, Hardwired
  • Battery Backup: 9V Alkaline

Key Specifications

  • Device Type: Smoke and Carbon Monoxide Combination Alarm
  • Sensor Types: Ionization (Smoke), Electrochemical (CO)
  • Interconnectable: Yes, with compatible BRK alarms
  • Application: Residential safety
  • Certifications: UL Listed

Technical Specifications

  • Features: Latching Alarm Indicator, Silence Functions (Low-Battery and Nuisance Alarm), End-of-Life Signal
  • Mounting Type: Hardwired
  • Dimensions: Height: 2.2 in; Width: 5.6 in; Depth: 5.6 in
  • Weight: 0.65 lbs

Product Data

    • Manufacturer: BRK Brands (Resideo Technologies, Inc.)
    • Brand: BRK
    • Model Number: SC9120B
    • UPC: 029054513069


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 3667217465

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.2 ★★★★★
Based on 1627 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
B
Verified Purchase
Beauty and her budget
Lake Worth, US
★★★★★ 5
Love this!
Color: White, Size: 3 Drawer
This is so adorable. It's beautiful velvet features and functional and somewhat compact. It's perfect for what I needed it for.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026
C
Verified Purchase
christine Ziehm Gesicki
Belleville, US
★★★★★ 5
Big box at a great price!
Color: Pink, Size: 5 Drawer
Was able to replace my old pink jewelry boxes and consolidate for my rose quartz and other pink stones!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
M
Verified Purchase
Marilyn Snell
Whiting, US
★★★★★ 5
Easy to see your jewelry, stays organized, takes up less room than a stand up box
Color: White, Size: 3 Drawer
This is so convenient. My jewelry is actually useable now. I can find what I’m looking for quickly. I loved this
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 28, 2026
J
Verified Purchase
Jackson
Massapequa, US
★★★★★ 5
Amazing item!
Color: Brown
Amazing quality feels very nice to the touch, decent size, on the bigger side if you’re looking for a smaller table organizer, but still great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 15, 2026
N
Verified Purchase
Nancy T.
Los Angeles, US
★★★★★ 5
Good quality
Color: Brown
Well made, looks high-end. Nice place to put things like wallet, keys, and pocket change.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 3, 2025

recommand products