CPSC recall 08-567, announced May 6, 2008, covers Williamson-Thermoflo GWS and GWI Gas Boilers (about 1,800 units). 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. The notice reports no incidents. Consumers who have not already been contacted, should contact their installer for a free safety inspection and repair, if necessary. Recall contact: call (866) 783-9516, or go to www.williamson-thermoflo.com.
Compare the model on your label, then check any serial numbers, date codes, and exclusions in the notice. A model match alone does not confirm that your unit is included.
The CPSC data does not provide a discrete model-number list for this record. Compare the product description and identification details on the official notice.
The following model names and serial numbers are included in the recall: Model Name Serial Numbers GWS-127, GWS-158 From CP 5160092 through CP 5663040 GWI-063, GWI-095, GWI-127, GWI-158 From CP 4363986 through CP 5699844 The model name and serial number are located on separate labels on the outside of the left panel.
Which products are included?
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 GWS-127, GWS-158 From CP 5160092 through CP 5663040 GWI-063, GWI-095, GWI-127, GWI-158 From CP 4363986 through CP 5699844 The model name and serial number are located on separate labels on the outside of the left panel.
Confirm these details on the official CPSC noticeWhy it was 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.
Incidents and injuries
None reported.
Official remedy
Consumers who have not already been contacted, should contact their installer for a free safety inspection and repair, if necessary.
Product and sales details
- Brand
- Williamson-Thermoflo GWS and GWI Gas
- Manufacturer
- Weil-McLain, of Michigan City, Ind.
- Product type
- Boilers
- Recall number
- 08-567
- Units
- About 1,800
- Manufactured in
- United States
- Sold at / sales period
- Plumbing and heating wholesale distributors to plumbers and contractors nationwide from October 2001 through December 2007 for between $1,500 and $2,700.
Williamson-Thermoflo GWS and GWI Gas Boilers
CPSC product type: Boilers & Accessories
Recall contact information
For more information, contact Williamson-Thermoflo toll-free at (866) 783-9516 between 8 a.m. and 4 p.m. CT Monday through Friday, or visit the firm's Web site at www.williamson-thermoflo.com
Verify phone numbers, hours, and websites on the current CPSC notice before contacting the firm.
Know someone who has one?
Recalls only work when owners hear about them. Send this notice to family or friends who might own the same product.



