In-Store Pickup Only. This product is only available for pickup at a JAX store location.

First Alert  |  SKU: SC9120B

Carbon Monoxide Alarm

$54.99 USD

Please Note:

Effective December 16th, 2025, we will no longer accept online orders for delivery or pick-up at stores, with the exception of JAX gift cards. Orders placed on or before that date will still be honored. Please see our announcement page for full details: https://jaxgoods.com/pages/website-announcement

Description

First Alert SC9120B Carbon Monoxide Alarm, Alarm: Audible, Electrochemical Sensor, White

The First Alert BRK SC9120B hardwired combination smoke and carbon monoxide alarm uses an electrochemical carbon monoxide sensing technology and ionization sensor for smoke detection. It includes a 9 V battery for continued function in the event of a power outage and it features a test/silence button, tamper-resistant locking brackets and a universal mounting bracket. This carbon monoxide smoke detector can be connected to other compatible BRK and First Alert hardwired smoke and carbon monoxide detectors. Its latching alarm indicator automatically identifies which unit initiated the alarm even after the conditions that set off the alarm have subsided.


Features:

  • Detects smoke and carbon monoxide
  • Connect to other alarms for greater coverage
  • Easy to install and maintain

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