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Overview

Designed for straightforward installs and maintenance, it includes a quick-connect harness, Test/Silence control, latching alarm memory, and an end-of-life chirp to signal replacement after 10 years

First Alert SC9120LBLA Hardwired Smoke & Carbon Monoxide Alarm – 10-Year Sealed Battery Backup - Pack of 3

Model: SC9120LBLA
Web Code: 19492966
Sold and shipped by | 3.2 seller rating (21 reviews)

Available for deliveryAvailable online only

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Seller Return Policy

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

2-in-1 protection: ionization smoke + electrochemical CO sensing for fast-flaming fires and CO leaks.

10-year locked lithium battery backup keeps detection active during outages; end-of-life signal reminds you to replace the alarm after 10 years.

120V hardwired with interconnect: link up to 18 compatible First Alert/BRK devices (max 12 smoke) so when one sounds, they all sound.

One-touch Test/Silence and latching alarm indicator to identify which unit initiated the alarm.

Loud 85 dB alarm with status LEDs for power and alarm states.

Built for Canada: model available in Canada and compliant with CAN/ULC/CSA standards referenced below

Product Condition
Brand New

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

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Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • Saskatchewan (Remote)
  • Manitoba (Remote)
  • Yukon
  • Northwest Territories
  • Nunavut
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Smart home products
Return/Exchange Period
30 days
Condition
Opened

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