CPSC recall · Reported December 20, 2018
Navien Recalls Tankless Water Heaters and Boilers Due to Risk of Carbon Monoxide Poisoning
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 …
Kyung Dong Navien Co. Ltd, South Korea recalled This recall involves only Navien condensing tankless water heaters and combination boiler….
Navien Recalls Tankless Water Heaters and Boilers Due to Risk of Carbon Monoxide Poisoning was recalled by Kyung Dong Navien Co. Ltd, South Korea in December 20, 2018. Reason: A kit installed on the tankless water heaters and boilers to convert them from natural gas to propane can cau…. Remedy: Consumers should immediately stop using the recalled water heaters and boilers that are u…. Verify recall #19057 with the CPSC before acting.
The recall
Kyung Dong Navien Co. Ltd, South Korea issued this CPSC recall-A kit installed on the tankless water heaters and boilers to convert them from natural gas to propane can cau….
- None
- agency class
- December 20, 2018
- reported
Sourced from official CPSC enforcement records. Verify recall #19057 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
Recall Insight
This recall's affected scope, documented in the Recall Profile below, stays within a single-region or limited-distribution footprint. Distribution information was not included in the agency filing, so consumers should assume broad potential exposure until the firm publishes point-of-sale details. Consumers holding this product should act on the agency's documented remedy above rather than relying on general guidance.
Within the same product category the archive holds 6 closely related recalls - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.
Food recalls over time
Where this recall sits in its category - 25,457 food recalls on record
Product 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
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.
Remedy, what to do
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.
Recall Profile
| Attribute | Value |
|---|---|
| Agency | U.S. Consumer Product Safety Commission |
| Severity class | Not classified by agency |
| Status | Active |
| Recall number | 19057 |
| Date reported | December 20, 2018 |
| Date initiated | December 20, 2018 |
| Recalling firm | Kyung Dong Navien Co. Ltd, South Korea |
| Affected scope | About 3,400 |
| Distribution | Not disclosed |
| Official source | CPSC notice → |
Profile values are sourced directly from the official CPSC enforcement record. Source: U.S. Consumer Product Safety Commission.
What to do with this recall
Consumers should immediately stop using the recalled water heaters and boilers that are using propane gas and contact Navien for …
- Check the recall number (19057) and product description against the item you own. Search the archive
- Confirm the current status and remedy on the official CPSC notice before acting. CPSC notice
- Follow the documented remedy (refund, replacement, repair, or disposal) rather than general advice. What to do next
This page summarizes the official CPSC record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.
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Methodology · Corrections · Archive as of August 2026