Not Yet Classified

This recall has not yet been classified by risk level.

Bosch Thermotechnology Recalls Buderus Boilers Due to Carbon Monoxide Poisoning Hazard

Date: December 20, 2019
Company: Bosch Thermotechnik GmbH, of Germany
Status: Ongoing
Source: CPSC

What You Should Do

Stop using this product immediately. Do not consume, use, or distribute it.

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. Options: Repair

Affected Products

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.

Why Was This Recalled?

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

Where Was This Sold?

Distribution information not available.

About Bosch Thermotechnik GmbH, of Germany

Bosch Thermotechnik GmbH, of Germany has 1 total recall tracked by RecallDetector.

Related Recalls

Data sourced from the CPSC. Last updated March 26, 2026. View original report