Navien condensing tankless water heaters and combination boilers
Class II - ModerateWhat Should You Do?
- Check if you have this product: (About 3,400)
- Do not eat it: Even if it looks and smells fine, do not consume this product.
- Throw it away or return it: You can return the product to the store for a full refund.
- Report problems: Report any issues to the FDA's Safety Reporting Portal.
Recall Details
- Company:
- Kyung Dong Navien Co. Ltd, South Korea
- Reason for Recall:
- A kit installed on the tankless water heaters and boilers to convert them from natural gas to propane can cause the unit to produce excessive amounts of carbon monoxide, posing a risk of carbon monoxide poisoning to consumers.
- Classification:
- Class II - Moderate
Products that might cause a temporary health problem, or pose a slight threat of a serious nature.
- Status:
- ongoing
- Hazard:
- A kit installed on the tankless water heaters and boilers to convert them from natural gas to propane can cause the unit to produce excessive amounts of carbon monoxide, posing a risk of carbon monoxide poisoning to consumers.
- Remedy:
- Consumers should immediately stop using the recalled water heaters and boilers that are using propane gas and contact Navien for a free replacement conversion kit. Consumers who continue use of the water heaters and boilers while awaiting repair, should have a working carbon monoxide alarm installed outside of sleeping areas in the home.
Product Images


Product Information
Full Description:
This recall involves only Navien condensing tankless water heaters and combination boilers with model numbers NPE-180A, NPE-180S and NCB-180E that have been or will be converted from using natural gas to propane gas. The recalled water heaters and combination boilers were manufactured between July 9, 2018 through October 14, 2018. The manufacturing date is identified within the serial number. The serial number is printed on a label which is affixed to the side of the unit and on the product packaging. The first two digits identify the year, the next single digit identifies the month, and the last two digits identify the day. For example, 18709 stands for July 9, 2018. X stands for October. Product Model UPC Code Serial Numbers with date of manufacture Navien Condensing Tankless Water Heater NPE-180A 884954974101 7410x18709xxxx 7410x188xxxxxx 7410x189xxxxxx 7410x18X14xxxx Navien Condensing Tankless Water Heater NPE-180S 884954974194 7419x18709xxxx 7419x188xxxxxx 7419x189xxxxxx 7419x18X14xxxx Navien Condensing Combination Boiler NCB-180E 884954966083 6608x18709xxxx 6608x188xxxxxx 6608x189xxxxxx 6608x18X14xxxx
Product Codes/Lot Numbers:
(About 3,400)
Official Source
Always verify recall information with the official CPSC source:
View on CPSC.govCPSC Recall Number: 19057
Related Recalls
Navien Instantaneous or Tankless Water Heaters
Kyung Dong Navien Co. Ltd., South Korea
An unstable connection can cause the water heater's vent collar to separate or detach if pressure is applied. A detached vent collar poses a risk of carbon monoxide poisoning to the consumer.