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Tankless Water Heaters
The notice says to stop using it — see below for what to do.
What’s wrong
The water heaters can overheat, posing a fire hazard.
The Recall Registry rates this serious — Fire or burn risk.
What it looks like
Photos help. Identifiers decide. Appearance can vary by color, finish or packaging. Confirm the model number, date code or other identifier in the official notice.

Recall image provided by CPSC

What to do
Consumers should immediately stop using the recalled water heaters and contact Challenger Supply Holdings to arrange for a free repair.
Who to contact: Challenger Supply Holdings at (800) 729-6118 between 7 a.m. and 6 p.m. CT Monday through Friday or online at www.challengersupply.com and click on "Product Recall" for more information.
The product
This recall involves all models of single- and dual-purpose Coaire and Quietside brand tankless gas water heaters. The recalled water heaters heat either 4 or 7.2 gallons of water per minute. They are white and come in the following dimension ranges: 25-28 inches tall x 15-19 inches wide x 8-14 inches thick. The words "S-Line Condensing" are on the top front and brand names "Coaire" or "Quietside" are on the bottom front of the recalled water heaters.
Details
- Units affected
- About 29,000 in the United States and 2,200 in Canada
- Recall date
- November 13, 2014
- Brand
- Daesung Celtic Enersys Co. Ltd., of Chungbuk, Korea, Challenger Supply Holdings Inc., of Fort Worth, Texas (successor to Quietside Corp., of Santa Fe Springs, Calif.)
- What has been reported
- Daesung has received 40 reports of the units overheating, including four involving burns on the wall where the heater was mounted and two involving fires and property damage. No injuries have been reported.
Independent dealers nationwide and on various websites including Amazon.com from July 2008 through August 2014 for between $500 and $2,000.
The official notice
This recall was issued by the U.S. Consumer Product Safety Commission. The Recall Registry summarises it — always confirm the details at the source.
Their exact wording: “Tankless Water Heaters Recalled Due to Fire Hazard; Manufactured by Daesung Celtic Enersys; Distributed Exclusively by Challenger Supply Holdings”
Worried about the other things in your house? You can write down what you have and be told if one is recalled — or, if you sell second-hand, check your whole stock at once.
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