CPSC Recall in 2020: Lochinvar Recalls Condensing Residential Boilers Due to Risk of Carbon Monoxide Poisoning

Updated on January 18, 2026.

See the recall details below. You can also see similar information for other consumer product recalls in 2020.

Data Source: CPSC.

Recall Number: 20-141

Date: June 18, 2020

Product Name: Lochinvar condensing residential boilers

Recall Description:

This recall includes residential condensing boilers, combi boilers and packaged systems sold after August 2016. The following model numbers are included in the recall. They were sold under the Lochinvar, A. O. Smith, and State Proline brand names and have serial numbers within the range of 103475818 through 115078306. 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 outer jacket of the unit, or on the underside of the removable front jacket plate. The brand name is printed on the front of each unit.Recalled Model NumbersACBKHB (Cont.)SCBWHLACB110H-NKHB285L-8647SCB110H-NWHL156-8647ACB110H-PKHB285NSCB110H-PWHL200ACB110S-NKHB285N-001SCB110S-NWHL286ACB110S-PKHB285N-002SCB110S-PWHL286-8647ACB150H-NKHB285N-8018SCB150H-N ACB150H-PKHB285N-8647SCB150H-PWHNACB150S-NKHB285N-8710SCB150S-NWHN056ACB150S-PKHB285N-M7SCB150S-PWHN056-8647ACB199H-N SCB199H-NWHN086ACB199H-PNKBSCB199H-PWHN086-8647ACB199S-NNKB050LSCB199S-NWHN111ACB199S-PNKB050L-8647SCB199S-PWHN111-8647APNNKB050NWHBWHN156APN285NKB050N-8647WHB055LWHN156-8647EPBNKB080LWHB055NWHN200EPB080NNKB080L-8647WHB055N-8647WHN200-0119-002EPB110NNKB080NWHB085LWHN200-8647EPB110N-CANNKB080N-8647WHB085NWHN286EPB150NNKB110LWHB085N-8647WHN286-M7EPB199NNKB110L-8647WHB110LWHN286-001EPCNKB110NWHB110NWHN286-8647EPC110NNKB110N-8647WHB110N-8647 EPC110N-CANNKB150LWHB155L EPC150NNKB150L-8647WHB155N EPC199NNKB150NWHB155N-8018 KHBNKB150N-8647WHB155N-8647 KHB055LNKB199LWHB199L KHB055NNKB199L-8647WHB199N KHB055N-8647NKB199NWHB199N-8018 KHB085LNKB199N-8647WHB199N-8647 KHB085N WHB285L KHB085N-8647NKCWHB285L-8647 KHB110LNKC110LWHB285N KHB110NNKC110L-8647WHB285N-0119-001 KHB110N-8647NKC110NWHB285N-8647 KHB155LNKC110N-8647WHB285N-M7 KHB155NNKC150LWHB399L KHB155N-8647NKC150L-8647WHB399N KHB199LNKC150NWHB399N-0119-001 KHB199NNKC150N-8647WHB399N-0119-002 KHB199N-0030-001NKC199LWHB399N-0119-003 KHB199N-8018NKC199L-8647WHB399N/199N-0119-001 KHB199N-8647NKC199NWHB399N-8647 KHB285LNKC199N-8647WHB399N-M7  

Hazard Description:

The boiler’s flue grommet can deteriorate and dislodge during use and allow the boiler to emit carbon monoxide, posing a risk of carbon monoxide poisoning.

Consumer Action:

Remedy Type:

Repair

Units: About 34,300 (In addition, about 3,642 units were sold in Canada)

Incidents:

The firm has received 7 reports of boiler’s flue grommets deteriorating, including one report of two nonfatal injuries involving carbon monoxide poisoning, and two reports of carbon monoxide emission not involving an injury.

Sold At:

Independent contractors, plumbers, and plumbing supply vendors and distributors, from August 2016 through June 2020, for between $8,000 and $25,000, including installation.

Manufactured In:

United States