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Bosch Thermotechnology recalls Buderus boilers

A blocked siphon can create a carbon monoxide hazard

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Photo source: CPSC
Bosch Thermotechnology of Watertown, Mass., is recalling about 170 Buderus GB125-35 oil-condensing boilers.

The siphon can become blocked, leading to a delayed ignition that can damage the boiler’s exhaust system, creating a carbon monoxide hazard.

No incidents or injuries are reported.

This recall involves Buderus brand GB125-35 oil-condensing boilers distributed by Bosch.

The boilers have a blue enclosure, and the GB125-35 model number is located on the data plate near the top right hand side of the boiler. The Buderus brand name is printed on the outside of the boiler’s blue enclosure. Bosch

Thermotechnology and the model number are printed on a white label on the blue enclosure.

The boilers, manufactured in Germany, were sold at wholesale distributors and installed by independent contractors nationwide from June 2008, through September 2012, for about $6,000.

What to do

Consumers should immediately contact Bosch for a free repair. Consumers who continue to use the boilers while awaiting repair should have a working carbon monoxide alarm installed outside of sleeping areas in the home.

Consumers may contact Bosch Thermotechnology at (800) 323-1943 from 8 a.m. to 6 p.m. (ET) Monday through Thursday, and Friday from 8 a.m. to 5 p.m. (ET), by email at GB125.35Recall@us.bosch.com, or online at https://www.bosch-thermotechnology.us/us/en/residential/home/ and click on “Knowledge” at the top of the page, then “Product Approvals, Certifications & Regulatory Info” for more information.

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