Independent reference · Facts sourced from CPSC, ENERGY STAR and DOE Record verified Aug 18, 2026
Active recall — stop using this product now.
Remedy: free repair · About 2,500 units
Smoke & CO alarms Recall No. 24-161 Published March 14, 2024

U.S. Boiler, New Yorker Boiler, Advantage, FORCE and Archer brand gas-fired hot water residential boilers

The blocked vent switch (BVS) can fail to shut down the burners if the boilers are installed at altitudes above 5,400 feet and the vent system becomes blocked. In such an event, the boiler can emit excessive amounts of carbon monoxide into the home, posing a carbon monoxide (CO) poisoning hazard to consumers. Manufactured by U.S. Boiler Company LLC and sold at Independent heating and plumbing contractors and wholesale distributors nationwide from February 2009 – November 2023 for $2,000 to $4,000.

Recalled ES2Boiler
What you are looking at

Recalled ES2Boiler

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Affected model numbers

Why it was recalled

The blocked vent switch (BVS) can fail to shut down the burners if the boilers are installed at altitudes above 5,400 feet and the vent system becomes blocked. In such an event, the boiler can emit excessive amounts of carbon monoxide into the home, posing a carbon monoxide (CO) poisoning hazard to consumers.

0
Incident reports to the firm
0
Injuries reported
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SaferProducts.gov reports

None reported.

The official remedy

Remedy type: repair
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What to do

Consumers with the recalled boilers should immediately contact U.S. Boiler to receive a free repair that includes a free replacement main burner gas orifice and a free replacement blocked vent switch if needed. 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.

Product and sales details

ManufacturerU.S. Boiler Company LLC, of Lancaster, Pennsylvania
UnitsAbout 2,500
Made inUnited States
Sold atIndependent heating and plumbing contractors and wholesale distributors nationwide
Sales periodFebruary 2009 – November 2023
Price$2,000 to $4,000

How to reach the firm

Phone
888-432-8887
8 a.m. to 5 p.m. ET Monday through Friday
Email

Verify phone numbers, hours and web addresses on the current CPSC notice before contacting the firm.

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