Consumer product recall

Navien Inc. recalls Propane Conversion Kit for Condensing Tankless Water Heater and Combination Boiler

Starting date:
December 20, 2018
Posting date:
December 20, 2018
Type of communication:
Consumer Product Recall
Household Items, Appliances
Source of recall:
Health Canada
Product Safety
General Public
Identification number:

Joint recall with Health Canada, the United States Consumer Product Safety Commission (US CPSC) and Navien Inc.

Affected products

Conversion Kit for the Navien Condensing Tankless Water Heater and Combination Boiler

Product description

This recall involves the natural gas to propane gas conversion kit for the following products:
Product Model UPC Code Serial Numbers
Navien Condensing Tankless Water Heater NPE-180A 884954974101





Navien Condensing Tankless Water Heater NPE-180S 884954974194





Navien Condensing Combination Boiler NCB-180E 884954966083





The products subject to the recall 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 (see images). The first two digits identify the year, the next single digit identifies the month, and the last two digits identify the day.

Example: 18709 = July 9, 2018 (YY:M:DD format with "X" designating October)  

Hazard identified

Navien has identified a non-conforming specification in the natural gas (NG) to propane gas (LP) conversion kit that is supplied as an accessory with each unit. If the kit is installed in order to use propane gas rather than natural gas to fuel the unit, and if not properly vented, it could pose a risk of exposure to carbon monoxide.

As of November 5, 2018, the company has received no reports of incidents or injuries in Canada or the United States.

Number sold

Approximately 717 units of the affected products were sold in Canada and approximately 3,437 were sold in the United States.

Time period sold

The recalled products were sold from August 2018 through October 2018.

Place of origin

Manufactured in Korea



Navien, Inc.





Kyung Dong Navien Co., Ltd



Images (select thumbnail to enlarge - opens in a new window)

What you should do

Consumer should immediately contact Navien Inc. for a replacement conversion kit to be installed.

  • If the water heater or boiler has been converted to use propane gas, as long as the product is properly vented to the outdoors, the consumer may continue to use the product until the repair has been made.
  • If there are any concerns about the integrity of the vent system or if you are unsure whether the unit is properly vented, immediately discontinue use of the product until the replacement conversion kit is installed, and ensure that a properly installed and functioning carbon monoxide detector is present.

For more information, consumers may contact Navien Inc. toll free by telephone at 1-800-244-8202 Monday through Friday from 8:00am to 5:00pm PST or by email.

Consumers may view the release by the US CPSC on the Commission's website.

Please note that the Canada Consumer Product Safety Act prohibits recalled products from being redistributed, sold or even given away in Canada.

Health Canada would like to remind Canadians to report any health or safety incidents related to the use of this product or any other consumer product or cosmetic by filling out the Consumer Product Incident Report Form.

This recall is also posted on the OECD Global Portal on Product Recalls website. You can visit this site for more information on other international consumer product recalls.