Lochinvar Recalls Condensing Residential Boilers Due to Risk of Carbon Monoxide Poisoning
Home product recall 20-141. Announced by CPSC on Jun 18, 2020.
Watch and the shortlist are kept with a free account, on every device. Your watch list. CPSC’s own notice is on cpsc.gov.
The short answer
Announced by CPSC on Jun 18, 2020. Copied from CPSC on Oct 19, 2026.
- Repair what’s offered
- About 34,300 (In addition, about 3,642 units were sold in Canada) units, as CPSC gives them
- Reported injuries, in the notice (needs attention)
Every line below is in CPSC’s own words, with its source beside it.
What’s wrong with it?
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.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
What should you do?
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.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
- What the company offers to fix a recalled product or vehicle: a repair, a replacement or a refund, as the recall notice says. For a vehicle, dealers make the safety repair free. Follow the notice’s own steps, or contact the company it names. Source: CPSC; NHTSA (49 U.S.C. 30120).: repair.
- How to reach the firm: Lochinvar toll-free at 833-232-9706 from 8 a.m. to 8 p.m. ET Monday through Friday. Check for the recalled boilers’ serial number at: www.waterheaterrecall.com, and select the look-up feature for the flue grommet recall. Consumers with Lochinvar-branded boilers can find a qualified service technician by visiting: http://green.lochinvar.com/support/contractorlocator.aspx. Consumers with A. O. Smith or State Proline-branded boilers should contact their installer. If consumers do not know their installer, contact Lochinvar toll free at: 833-232-9706.
Which ones are recalled?
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 EPC150N NKB150L-8647 WHB155N EPC199N NKB150N WHB155N-8018 KHB NKB150N-8647 WHB155N-8647 KHB055L NKB199L WHB199L KHB055N NKB199L-8647 WHB199N KHB055N-8647 NKB199N WHB199N-8018 KHB085L NKB199N-8647 WHB199N-8647 KHB085N WHB285L KHB085N-8647 NKC WHB285L-8647 KHB110L NKC110L WHB285N KHB110N NKC110L-8647 WHB285N-0119-001 KHB110N-8647 NKC110N WHB285N-8647 KHB155L NKC110N-8647 WHB285N-M7 KHB155N NKC150L WHB399L KHB155N-8647 NKC150L-8647 WHB399N KHB199L NKC150N WHB399N-0119-001 KHB199N NKC150N-8647 WHB399N-0119-002 KHB199N-0030-001 NKC199L WHB399N-0119-003 KHB199N-8018 NKC199L-8647 WHB399N/199N-0119-001 KHB199N-8647 NKC199N WHB399N-8647 KHB285L NKC199N-8647 WHB399N-M7
About 34,300 (In addition, about 3,642 units were sold in Canada) units, as CPSC gives them.
Lochinvar condensing residential boilers.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
CPSC’s photos
CPSC shows 3 photos on its notice. Hearth Record doesn’t copy them; each opens on cpsc.gov.
Who made and sold it?
- Made by Lochinvar LLC, Lebanon, Tenn.
- Independent contractors, plumbers, and plumbing supply vendors and distributors, from August 2016 through June 2020, for between $8,000 and $25,000, including installation.
- Made in United States, as the notice gives it.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
Was anyone hurt?
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.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
What the record doesn’t say
- The notice lists no UPCs, so check the model, the description and the photos.
- The notice lists no model numbers in a field of their own; its description may give them.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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U.S. Consumer Product Safety Commission, Recalls API.
Checked Oct 19, 2026. Updated daily. Public domain (U.S. Government work). CPSC asks to be credited, and that no endorsement be implied.
Recalls of kids’ and home products are from the U.S. Consumer Product Safety Commission (CPSC). CPSC does not endorse Hearth Record. Copied on Oct 19, 2026.