Kidde has recalled nearly half-a-million dual-sensor smoke detectors in North America because of a manufacturing defect that can compromise its ability to detect smoke.

According to the Consumer Product Safety Commission, a yellow cap left on during the manufacturing process of models PI2010 and PI9010 can cover one of the two smoke sensors, posing a risk of consumers not being alerted to a fire.

In total, 452,000 units in the United States, along with another 40,000 in Canada, and subject to the recall.

Kidde says if the yellow cap is present on your smoke alarm, contact them immediately to request a free replacement.

The affected units were sold at Menards, The Home Depot, Walmart and other department, home and hardware stores nationwide, as well as on

The specific affected units are: 

  • PI9010 (DC/battery powered) - Date code: 2016 Sep. 10 through 2017 Oct. 13
  • PI2010 (AC/hardwired) - Date code: 2016 Sep. 10 through 2017 Oct. 13

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