Lochinvar Recalls Condensing Residential Boilers Due to Risk of Carbon Monoxide Poisoning
Source: CPSC Recall #20141
Recall Date
2020-06-18
Manufacturer
Lochinvar LLC, of Lebanon, Tenn.
Units Affected
About 34,300 (In addition, about 3,642 units were sold in Canada)
Products Involved
Lochinvar condensing residential boilers
Hazard
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.
Remedy
Consumers with the recalled boilers should immediately contact the installer or a qualified technician to schedule a free repair. Consumers who continue use of the boilers while awaiting repair should have working carbon monoxide alarms outside of sleeping areas and on every level of the home.
Reported Injuries
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
Full 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 Numbers ACB KHB (Cont.) SCB WHL ACB110H-N KHB285L-8647 SCB110H-N WHL156-8647 ACB110H-P KHB285N SCB110H-P WHL200 ACB110S-N KHB285N-001 SCB110S-N WHL286 ACB110S-P KHB285N-002 SCB110S-P WHL286-8647 ACB150H-N KHB285N-8018 SCB150H-N ACB150H-P KHB285N-8647 SCB150H-P WHN ACB150S-N KHB285N-8710 SCB150S-N WHN056 ACB150S-P KHB285N-M7 SCB150S-P WHN056-8647 ACB199H-N SCB199H-N WHN086 ACB199H-P NKB SCB199H-P WHN086-8647 ACB199S-N NKB050L SCB199S-N WHN111 ACB199S-P NKB050L-8647 SCB199S-P WHN111-8647 APN NKB050N WHB WHN156 APN285 NKB050N-8647 WHB055L WHN156-8647 EPB NKB080L WHB055N WHN200 EPB080N NKB080L-8647 WHB055N-8647 WHN200-0119-002 EPB110N NKB080N WHB085L WHN200-8647 EPB110N-CAN NKB080N-8647 WHB085N WHN286 EPB150N NKB110L WHB085N-8647 WHN286-M7 EPB199N NKB110L-8647 WHB110L WHN286-001 EPC NKB110N WHB110N WHN286-8647 EPC110N NKB110N-8647 WHB110N-8647 EPC110N-CAN NKB150L WHB155L E
Data source: U.S. Consumer Product Safety Commission (CPSC) via SaferProducts.gov.
For the most current recall information, check directly with CPSC or the manufacturer.
Last verified: 2026-03-28