---
title: "Lochinvar Recalls Condensing Boilers Due to Risk of Carbon Monoxide Poisoning — CPSC recall 24018 | Is It on Recall"
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"
url: https://isitonrecall.com/recall/cpsc-24018-lochinvar-recalls-condensing-boilers-due-to-risk-of-carbon-monoxide-poisoning/
updated: 2026-10-01
site: "Is It on Recall"
language: en
---

[Recall archive](https://isitonrecall.com/archives/) / CPSC

# Lochinvar Recalls Condensing Boilers Due to Risk of Carbon Monoxide Poisoning — CPSC recall 24018

Published notice; closure not supplied

The CPSC record supplies a notice and remedy, not a current closure determination.

Source date Nov 2, 2023. Retrieved Oct 1, 2026. Last updated Oct 1, 2026.

Archive changed Oct 1, 2026. USDA FSIS records are unavailable; [check FSIS directly](https://www.fsis.usda.gov/recalls). [Source coverage and dates](https://isitonrecall.com/sources/).

## What the record says

- **Product**: 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 Brand NCF110L NCF110N NCF150L NCF150N NCF199L NCF199N NKB080L NKB080N NKB110L NKB110N NKB150L NKB150N NKB199L NKB199N NKC110L NKC110N NKC150L NKC150N NKC199L NKC199N A. O. Smith Brand ACB 110H-N ACB 110H-P ACB 110S-N ACB 110S-P ACB 150H-N ACB 150H-P ACB 150S-N ACB 150S-P ACB 199H-N ACB 199H-P ACB 199S-N ACB 199S-P State Industries Brand SCB 110H-N SCB 110H-P SCB 110S-N SCB 110S-P SCB 150H-N SCB 150H-P SCB 150S-N SCB 150S-P SCB 199H-N SCB 199H-P SCB 199S-N SCB 199S-P
- **Reason**: 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.
- **Classification**: Not supplied
- **Recalling firm**: Lochinvar LLC, of Lebanon, Tennessee
- **Quantity**: About 17, 370 (In addition, about 782 units were sold in Canada)
- **Agency-reported status**: Published recall notice
- **Source record identifier**: 24018

[Open the official record](https://www.cpsc.gov/Recalls/2024/Lochinvar-Recalls-Condensing-Boilers-Due-to-Risk-of-Carbon-Monoxide-Poisoning)

## Lot and product identifiers

| Label field | Details supplied by the agency |
| --- | --- |
| Lot, code or applicability | Read the product description and official photos for model and lot identifiers. |

Match all identifying details in the current notice. A brand name alone is not enough.

## Distribution

Not supplied

No US distribution state could be established from this record. Check the official notice.

## Dates in the source

- **Last publish date**: Nov 2, 2023

FDA company pages use the listing date; enforcement records use initiation dates; CPSC uses recall date; NHTSA uses report-received date. These dates are not interchangeable.

## What to do next

Consumers with the recalled boilers should immediately contact the installer or a qualified technician to schedule a free repair. The repair will consist of installing a steel plate, which will be affixed to the base of the flue collector to act as a reinforcement. Consumers who continue use of the boilers while awaiting repair should have working carbon monoxide alarms outside of sleeping areas and on each floor of the home.

[Read the current instructions](https://www.cpsc.gov/Recalls/2024/Lochinvar-Recalls-Condensing-Boilers-Due-to-Risk-of-Carbon-Monoxide-Poisoning)

### Contact in the notice

Lochinvar toll-free at 833-232-9706 from 8 a.m. to 8 p.m. ET Monday through Friday or online at www.lochinvar.com and click on "Recall Notices" at the bottom of the page. Consumers can also check for the recalled boilers' serial number at: www.waterheaterrecall.com, and select the look-up feature for the flue collector 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 Industries-branded boilers should contact their installer. Consumers who do not know their installer can contact Lochinvar toll-free at 833-232-9706 or email the firm at recallinfo@lochinvar.com.

## Related records

[Other consumer products records](https://isitonrecall.com/category/other-consumer-products/) [Lochinvar LLC, of Lebanon, Tennessee records](https://isitonrecall.com/brand/lochinvar-llc-of-lebanon-tennessee/)