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BRK Smoke Alarm Issue

South Metro Fire Rescue

9195 E. Mineral Ave
Centennial, CO 80112

by Carin Kirkegaard

BRK Smoke Alarm Issue

Updated 5/2/06

STEP 1 – Identification

Confirm you have affected models: (all must apply)

BRK Brands, Inc. hard-wired smoke alarms

Model: 4120B or 4120SB

Date: 1998 – October 2000

STEP 2 – Prevention

Manufacturer recommends Eveready 522 (sold as “Energizer Max”) or Eveready 1222 (sold as “Eveready Heavy-Duty”) for optimal performance of the unit
<limited supply of recommended batteries available for pick-up at Castle Pines Fire Station #36>

Avoid Duracell batteries in these specific units

Use caution when replacing batteries; wash hands after handling, do not touch eyes, do not replace these batteries when alone. Under no circumstances should a homeowner disable or completely disarm the entire system, terminating the electrical current from the circuit box to the units.

STEP 3 – Report Issue

If you have had any unusual behavior from these units, including intermittent chirping, unexplained alarms, battery explosions, expansions or overheating (typically involving Duracell batteries) contact the following agencies to file a report:

Consumer Product Safety Commission (click on “report unsafe product”)


BRK Brands, Inc.


(BRK has been replacing these units at no cost)

** Information provided by Amy Teddy, Public Education Specialist, South Metro Fire Rescue



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