Model number check

DD622NCV

This model number appears in one official CPSC recall notice for household products. Latest recall published November 14, 2024.

Compare every letter, number, space, and suffix on your product label. A similar-looking model may not be included in a recall — the official CPSC notice is always the final authority.

Recall #25-045 · Published November 14, 2024

New Cosmos DeNova Detect Brand Combination Natural Gas and Carbon Monoxide Alarms

What to check on the product label

Compare the model on your label, then check any serial numbers, date codes, and exclusions in the notice. A model match alone does not confirm that your unit is included.

Affected model numbers

DD622NCV

Additional identifying details

This recall involves the DeNova Detect brand combination natural gas and carbon monoxide alarms with model number DD622NCV.

Which products are included?

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.

Confirm these details on the official CPSC notice

Why it was recalled

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.

Official 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.

Remedy type: Replace

Brand: New Cosmos
Recall published: November 14, 2024
Category: Smoke & CO Alarms
Units: About 26,360
Sold at / sales period: Lowe's stores nationwide and online at Amazon.com, Lowes.com and Denovadetect.com from December 2023 through July 2024 for between $90 and $102.

View official CPSC notice Full recall details

Related recalls

Selected by shared brand or household-product category.

Jan 16, 2025No. 25-095Smoke & CO Alarms

Three61 Recalls Samurai Mini Smoke Alarms Due to Failure to Alert Consumers to a Fire; Sold Exclusively by HSN

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Hazard: The smoke alarms can malfunction and fail to alert consumers of a fire, posing a risk of smoke inhalation or death. Smoke sensitivity tests performed on the alarms by CPSC found that one of the detectors that was tested failed to alert when exposed to pre-determined concentrations of smoke.

May 16, 2024No. 24-236Smoke & CO Alarms

CHZHVAN Combination Smoke and Carbon Monoxide Detectors Recalled Due to Failure to Alert to Fire; Sold Exclusively on Amazon.com by Haikouhuidishangmaoyouxiangongsi

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Hazard: The detectors can fail to activate, posing a risk that consumers will not be alerted to a fire.

Models

JKD-512

Jun 5, 2025No. 25-322Smoke & CO Alarms

Apollo America Recalls Combination Smoke and Carbon Monoxide (CO) Detectors Due to Failure to Alert Consumers to a Fire or Carbon Monoxide Leak; Risk of Serious Injury or Death; Sold Exclusively by Vivint

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Hazard: The recalled detectors can malfunction and fail to alert consumers of a fire or carbon monoxide (CO) leak, posing a risk of smoke inhalation, carbon monoxide poisoning or death.