This recall has not yet been classified by risk level.
Weil-McLain Gas Boilers Recalled Due to Carbon Monoxide Hazard
What You Should Do
Stop using this product immediately. Do not consume, use, or distribute it.
Consumers who have not already been contacted, should contact their installer for a free safety inspection and repair, if necessary.
Affected Products
The recall involves cast iron, gas-fired boilers used for space heating. The following model names and serial numbers are included in the recall: Model Name Serial Numbers CGs-3, CGs-4, CGs-5, CGs-6 From CP 5071501 through CP 5694976 CGi-3, CGi-5, CGi-6 Series 2 From CP 4134351 through CP 5698635 The model name and serial number are located on separate labels on the outside of the left panel.
Why Was This Recalled?
If there is a leak in the vent piping, the recalled boilers can leak carbon monoxide (CO) into the buildings in which they are installed, posing a risk of CO poisoning.
Where Was This Sold?
Distribution information not available.
About Weil-McLain, of Michigan City, Ind.
Weil-McLain, of Michigan City, Ind. has 4 total recalls tracked by RecallDetector.
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Data sourced from the CPSC. Last updated March 26, 2026. View original report