Bosch Thermotechnology Recalls Buderus Boilers Due to Carbon Monoxide Poisoning Hazard
Recalled 2019-12-20. Carbon monoxide hazard. Here is what the CPSC published, and what you are owed.
About 170Units
2019-12-20Recall date
None reportedInjuries
The text below is quoted from the CPSC notice word for word.
- What was recalled
- 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 hazard
- The siphon can become blocked, leading to a delayed ignition that can damage the boiler's exhaust system, creating a carbon monoxide hazard.
- Injuries
- None reported in the U.S.
- The remedy
- 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.
The details
What a recall entitles you to
A refund, a repair or a replacement. The notice says which. It costs you
nothing and there is usually no receipt requirement.
Stop using the product first. Recalls do not expire. An old one still counts.
The full CPSC notice, including photographs, is at cpsc.gov.
Source: CPSC SaferProducts recall feed, retrieved 2026-08-06. Newest recall on file 2026-07-30.
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