Carbon monoxide

New Cosmos USA Recalls Combination Natural Gas and Carbon Monoxide Alarms Due to Failure to Alert Consumers to the Presence of Natural Gas and to the Risk of Carbon Monoxide Poisoning

Recalled 2024-11-14. Carbon monoxide hazard. Here is what the CPSC published, and what you are owed.

About 26,360Units
2024-11-14Recall date
None reportedInjuries

The text below is quoted from the CPSC notice word for word.

What was recalled
This recall involves the DeNova Detect brand combination natural gas and carbon monoxide alarms with model number DD622NCV. DeNova Detect, Natural Gas + Carbon Monoxide are printed on the front of the alarm. The model number is on the top side of the alarm. The serial number is on the right side of the alarm.
The hazard
After alerting consumers to the presence of natural gas or carbon monoxide, the recalled alarm can go into sleep mode when the alert lasts less than four minutes. During this time, the alarms can fail to detect and alert consumers to a new incidence of natural gas or carbon monoxide, posing a risk of carbon monoxide poisoning.
Injuries
None reported
The remedy
Consumers should immediately register online at www.denovadetect.com/safetynotice-dd622 to receive a prepaid shipping package and replacement alarm. Consumers should continue using the recalled alarms until they install the replacement alarms. Once they receive the replacement alarm, consumers should ship the recalled alarm back in the provided prepaid shipping package.

The details

ProductsDeNova Detect Brand Combination Natural Gas and Carbon Monoxide Alarms
Made inJapan
Sold atAmazon, Lowe's
CPSC recall number25045
What a recall entitles you to

A refund, a repair or a replacement. The notice says which. It costs you nothing and there is usually no receipt requirement.

Stop using the product first. Recalls do not expire. An old one still counts.

The full CPSC notice, including photographs, is at cpsc.gov.

Source: CPSC SaferProducts recall feed, retrieved 2026-08-06. Newest recall on file 2026-07-30.

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