CPSC Recall in 2023: Lochinvar Recalls Condensing Boilers Due to Risk of Carbon Monoxide Poisoning

Updated on March 25, 2026.

See the recall details below. You can also see similar information for other consumer product recalls in 2023.

Data Source: CPSC.

Recall Number: 24-018

Date: November 02, 2023

Product Name: Lochinvar, A.O. Smith and State Industries brand condensing residential boilers

Recall Description:

This recall includes residential condensing boilers, combi boilers and packaged systems sold by Lochinvar from August 2021 through August 2023. They were sold under the Lochinvar, A. O. Smith, and State Industries brand names and have serial numbers within the range of 125325485 through 134830284. The brand name is printed on the front of each unit. The model number and serial number can be found on the data plate on the product located on the unit’s rating plate, which is located either on the inside or outside of the outer jacket of the unit. The following brands and model numbers are included in the recall.Lochinvar BrandA. O. Smith BrandState Industries BrandNCF110LACB 110H-NSCB 110H-NNCF110NACB 110H-PSCB 110H-PNCF150LACB 110S-NSCB 110S-NNCF150NACB 110S-PSCB 110S-PNCF199LACB 150H-NSCB 150H-NNCF199NACB 150H-PSCB 150H-PNKB080LACB 150S-NSCB 150S-NNKB080NACB 150S-PSCB 150S-PNKB110LACB 199H-NSCB 199H-NNKB110NACB 199H-PSCB 199H-PNKB150LACB 199S-NSCB 199S-NNKB150NACB 199S-PSCB 199S-PNKB199L  NKB199N  NKC110L  NKC110N  NKC150L  NKC150N  NKC199L  NKC199N  

Hazard Description:

The boiler’s flue collector can crack if exposed to a high impact event in the burner chamber, which can allow the boiler to emit carbon monoxide, posing a risk of carbon monoxide poisoning.

Consumer Action:

Remedy Type:

Repair

Units: About 17, 370 (In addition, about 782 units were sold in Canada)

Incidents:

Lochinvar has received nine reports of broken flue collectors. Lochinvar has received no reports of injury.

Sold At:

Independent contractors, plumbers, and plumbing supply vendors and distributors from August 2021 through September 2023 for between $4,000 and $10,000, including installation. A limited number were sold to original equipment manufacturers who modify and use the boilers in integrated in-floor heating systems. 

Manufactured In:

United States