Severity
Moderate
Lochinvar LLC, of Lebanon, Tenn. issued this CPSC recall on June 18, 2020. Classified as Moderate severity. Approximately About 34,300 (In addition, about 3,642 units were sold in Canada) units are affected. The recall was issued because: The boiler's flue grommet can deteriorate and dislodge during use and allow the boiler to emit carbon monoxide, posing …. This recall notice is sourced from official CPSC enforcement records. Below you will find the complete product description, hazard information, remedy instructions, and related recalls from the same manufacturer or product category.
This CPSC action (record #20141) was formally reported on June 18, 2020. It is classified under Moderate severity, with a current status of Active. Lochinvar LLC, of Lebanon, Tenn. is listed as the recalling firm. Federal records indicate About 34,300 (In addition, about 3,642 units were sold in Canada) units are affected, placing this recall in the million-unit bracket that typically triggers nationwide consumer alerts and retailer sweeps.
The documented reason for this recall is: 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. Distribution information was not included in the agency filing, so consumers should assume broad potential exposure until the firm publishes point-of-sale details. The remedy documented by the agency is: 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 shoul… — consumers holding this product should act on that instruction rather than relying on general guidance.
To put this record in context, PlainRecalls indexes 83,949 recalls across the FDA, CPSC, NHTSA and USDA FSIS going back to 1995. Within the same product category, the database holds 6 closely related recalls, of which 1 were also issued by CPSC. That clustering is a signal — repeated actions in a narrow category often indicate a systemic quality-control issue, a supplier-wide contamination, or a design defect that has propagated across product lines. This recall is roughly 6 years old; older recalls can remain relevant because many units enter resale, rental, and secondary-market channels where the original warning never reaches the end user. Always cross-check the recall number against the official agency page before relying on any summary.
Severity
Moderate
Units Affected
About 34,300 (In addition, about 3,642 units were sold in Canada)
Related Recalls
6
1 from same agency
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
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.
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.
| Attribute | Value |
|---|---|
| Agency | U.S. Consumer Product Safety Commission |
| Severity class | Moderate |
| Status | Active |
| Recall number | 20141 |
| Date reported | June 18, 2020 |
| Date initiated | June 18, 2020 |
| Recalling firm | Lochinvar LLC, of Lebanon, Tenn. |
| Units affected | About 34,300 (In addition, about 3,642 units were sold in Canada) |
| Distribution | Not disclosed |
Profile values are sourced directly from the official CPSC enforcement record. Source: U.S. Consumer Product Safety Commission.
Learn how the US recall system works and how to protect yourself and your household.
How the US Recall System Works
The three federal agencies, how recalls are initiated, and what happens next.
Understanding Recall Severity Classes
What Class I, II, and III mean and which recalls demand immediate action.
What to Do When a Product Is Recalled
Verify, claim your remedy, report injuries, and navigate the process.
How to Check If Your Products Are Recalled
Step-by-step guide to checking food, products, medications, and vehicles.
Recalled Products in Your Home
A room-by-room household audit guide for active recalls.
Most Recalled Product Categories
Rankings of highest-recall categories from FDA, CPSC, and NHTSA.
Product recalls are issued when a manufacturer, distributor, or federal agency determines that a product poses a safety risk to consumers. This recall is classified as moderate severity, indicating the product may cause temporary or medically reversible health consequences. Across PlainRecalls, we track 83,000+ recalls from FDA, CPSC, and NHTSA to help consumers stay informed and act quickly when safety issues arise.
Explore related product safety and public health data from federal sources.
Food Safety Inspections
FDA and state food facility inspection results — violations, enforcement actions, and compliance history for food manufacturers and processors.
PlainFoodSafe →
Ingredient Safety Data
FDA food additive and ingredient safety database — regulatory status, usage limits, and safety assessments for thousands of ingredients.
PlainIngredients →
Nutrition Data
USDA nutrition facts for 2M+ food items — calories, macros, vitamins, and ingredient analysis to verify what you consume.
GetFoodFacts →
Drug Safety Information
FDA drug data for 680+ medications — interactions, alternatives, side effects, and safety information for recalled and active drugs.
PlainMeds →
Product Injury Data
CPSC emergency room injury data for 838 product categories — 7.3M NEISS records tracking real-world consumer product injuries.
PlainSafety →
Recall Checker
Search our database of 83K+ recalls by product name, brand, or recall number across all agencies.
Check Now →
Recall Radar
Live feed of the latest recalls across FDA, CPSC, NHTSA, and USDA — filter by agency and severity.
View Radar →
Other recalls in the same product category — useful for spotting patterns across the same defect class or manufacturer.
· 2026-03-19
CNC Noodle Corporation · 2026-03-18
CNC Noodle Corporation · 2026-03-18
Italianway Import, Inc. · 2026-03-11
CHEVROLET,GMC · 2026-03-05
Compare this recall with Amazon Recalls Amazon Basics Camping Folding Pocket Knives … →
Data as of 2025. Source: FDA, CPSC, NHTSA, USDA FSIS federal recall databases.
Recall information is sourced from official federal agency databases. Always verify recall details with the issuing agency for the most current status. This information is for research and awareness purposes only.
Read our methodology — how this data is sourced, computed, and verified.
Source: Federal recall agencies (FDA, CPSC, NHTSA, USDA FSIS) Aggregated multi-agency recall feeds · 2024 Recall data normalized across federal agency feeds; severity classifications follow each agency's own taxonomy (FDA Class I/II/III; CPSC, NHTSA, USDA FSIS).