A. O. Smith Recalls Ultra-Low NOx Water Heaters Due to Fire Hazard
Recall at a glance
- Recall number
- 19-029 (CPSC)
- Recall date
- November 8, 2018
- Brand
- A. O. Smith
- Category
- Heaters, fans and air conditioners
- Products
- Ultra-Low NOx water heaters
- Hazard
- Fire Hazard
- Hazard type
- Fire and burn
- Remedy
- Repair
- Units
- About 616,000
- Made in
- United States, Mexico
- Last updated by CPSC
- November 8, 2018
What was recalled
This recall includes 30, 40 and 50 gallon natural or propane gas-fired Ultra-Low NOx emission gas water heaters. They are designed to comply with regulations in certain air quality districts in California, and were sold primarily in California. They were sold under the American, A. O. Smith, Kenmore, Reliance, State, U.S. Craftsmaster and Whirlpool brand names and manufactured from April 8, 2011 through August 1, 2016. Only water heaters with the first four digit serial numbers between 1115 and 1631, where the first four digits represent the year and week of production, are included in the recall. The brand name, model number and serial number can be found on the data plate on the product located next to the gas control valve/thermostat. The brand name is printed near the top of the water heater. Consumers can look up their water heater's serial number to see if it is affected by this recall at www.waterheaterrecall.com.
Is my product affected?
Compare your product with the details below, including model numbers where listed.
- Ultra-Low NOx water heaters · About 616,000 units
Photos from the recall notice


Where it was sold
Companies named in the notice: Independent contractors, plumbers, plumbing supply vendors and at various home improvement and hardware stores primarily in California from April 2011 through December 2016 for between $500 and $1,000.; A. O. Smith Corp., of Milwaukee, Wis..
Injuries or incidents reported
A. O. Smith has received six reports of fires occurring from a water heater installed directly on a combustible surface. No injuries have been reported.
Consumer contact
Consumers should go to www.waterheaterrecall.com, input their model and serial number and complete the form to determine if their water heater is subject to this recall. Consumers with Whirlpool, U.S. Craftmaster or American Water Heater brand water heaters can call toll-free 866-854-2793 from 8 a.m. to 10 p.m. Eastern Time Monday through Friday or 9 a.m. to 6 p.m. Saturday and Sunday. Consumers with Reliance, State, A. O. Smith, and Kenmore brand water heaters can call toll-free 866-880-4661 8 a.m. to 8 p.m. Eastern Time Monday through Friday or 9 a.m. to 6 p.m. Saturday for more information.
Recall history and context
A. O. Smith appears in 6 CPSC recalls on record. See all A. O. Smith recalls.
Since 2019 CPSC has recorded 75 recalls in the heaters, fans and air conditioners category, 17 recalls of them in the past 12 months.
Frequently asked questions
What was recalled?
Ultra-Low NOx water heaters (About 616,000 units). This recall includes 30, 40 and 50 gallon natural or propane gas-fired Ultra-Low NOx emission gas water heaters.
Why was it recalled?
CPSC lists the reason as: Fire Hazard.
What should I do if I own one?
Consumers should immediately turn off and stop using the recalled water heaters and contact A. O. Smith to determine if a free repair is necessary.
More recalls from A. O. Smith
- A. O. Smith Recalls 30-Gallon Gas Water Heaters
November 8, 2018 · A. O. Smith · Heaters, fans and air conditionersThis recall includes A. O. Smith 30-gallon natural gas water heaters with model number G6-UT3030NV and serial numbers with the first four digits of 1805 through 1809. A.…
- A.O. Smith Recalls John Wood Brand Oil-Fired Water Heaters
June 2, 2015 · A.O. Smith · Heaters, fans and air conditionersThis recall involves John Wood brand 50- and 70-gallon oil-fired water heaters. The 50-gallon water heaters have model number JW517 and serial numbers from 1349A021678…
- A. O. Smith Recalls Water Pump Motors
June 24, 2008 · A. O. Smith · Other consumer productsThe recall involves motors included with lawn sprinkler pumps and jet pumps manufactured by F. E. Myers Co. The recall also includes replacement pump motors that were…
- A.O. Smith Recalls Gas Water Heaters
April 3, 2008 · A.O. Smith · Heaters, fans and air conditionersThis recall involves 75-gallon natural and propane gas water heaters. "A.O. Smith" or "State" is printed on the side of the unit. A.O. Smith and State model and serial…
- A.O. Smith Recalls Exhaust Fan Electric Motors
January 10, 2008 · A.O. Smith · Heaters, fans and air conditionersThe recalled electric motor is part of a residential whole-house exhaust fan that is typically mounted on the floor of an attic. The shutters of the fan are visible on…
Similar recalls in heaters, fans and air conditioners
- VQQQ Gas Patio Heaters Recalled
October 22, 2026 · VQQQ Gas Patio Heaters · Heaters, fans and air conditionersThis recall involves VQQQ-branded natural gas patio heaters, models VQQQ-A1 and VQQQ-001. They have a bronze pole with a round base and a silver mushroom-shaped top with…
- Snow Peak Recalls Propane Fireplace Inserts and Lava Rocks
October 8, 2026 · Snow Peak · Heaters, fans and air conditionersThis recall involves the Takibi propane inserts and lava rocks, fireplace accessories that allows Snow Peak's Pack & Carry Fireplace L (ST-032) and XL (ST-034) to…
- Friedrich Air Conditioning Recalls KÜHL Window Air Conditioners
September 17, 2026 · Friedrich Air Conditioning · Heaters, fans and air conditionersThis recall involves KÜHL Q and KÜHL S Window Air Conditioners. The products have a gray front and a black air discharge grille and have the name Friedrich and the…
- Hayward Industries Recalls Universal Pool Heaters
September 17, 2026 · Hayward · Heaters, fans and air conditionersThis recall involves Hayward-branded HDFS400 Universal-HC Series pool heaters. The 400,000 BTU dual-fuel gas heaters are brown with black atop and measure 21 inches…
- Daikin Comfort Technologies Manufacturing Recalls Amana Through-The-Wall Air Conditioners and Heat Pumps
September 3, 2026 · Daikin Comfort Technologies Manufacturing · Heaters, fans and air conditionersThis recall involves certain Amana brand Through the Wall (TTW) air conditioners or heat pumps. These products are white and the brand name is printed on most of the…
- Modine Manufacturing Company Recalls Airedale Heating and Cooling Ventilation Fans
August 20, 2026 · Modine Manufacturing · Heaters, fans and air conditionersThis recall involves ventilation fans in ClassMate cooling and air source heat pumps and SchoolMate water/ground source heat pumps that supply heating, cooling and high…
Source: U.S. Consumer Product Safety Commission recall data, shown as published and last updated by CPSC on November 8, 2018. Details can change; the official notice is the authority. If your product may be recalled, stop and read the notice before deciding what to do. Terms and disclaimer.