CPSC Recall in 2019: Bosch Thermotechnology Recalls Buderus Boilers Due to Carbon Monoxide Poisoning Hazard

Updated on March 25, 2026.

See the recall details below. You can also see similar information for other consumer product recalls in 2019.

Data Source: CPSC.

Recall Number: 20-046

Date: December 20, 2019

Product Name: Buderus GB125-35 oil-condensing boilers

Recall Description:

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.

Hazard Description:

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

Consumer Action:

Remedy Type:

Repair

Units: About 170

Incidents:

None reported in the U.S.

Sold At:

Wholesale distributors and installed by independent contractors nationwide from June 2008 through September 2012 for about $6,000.

Manufactured In:

Germany