Laars Heating Systems Recalls Gas Boilers and Water Heaters Due to Carbon Monoxide Poisoning Hazard
Home product recall 07-535. Announced by CPSC on Mar 19, 2007.
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The short answer
Announced by CPSC on Mar 19, 2007. Copied from CPSC on Oct 19, 2026.
Every line below is in CPSC’s own words, with its source beside it.
What’s wrong with it?
Internal black plastic venting components in the gas boilers and water heaters can crack and leak flue gases, including carbon monoxide (CO), posing a risk of CO poisoning.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
What should you do?
Consumers should contact Laars Heating Systems to help determine if their boiler or water heater needs to be shut off immediately and to schedule a free repair.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
- How to reach the firm: Contact Laars Service Department at (800) 900-9276, Extension 4, between 7 a.m. and 4 p.m. PT Monday through Friday, or visit the firm’s Web site at www.Laars.com
Which ones are recalled?
This recall involves Laars 9600 CB Condensing Heating Boilers and Laars 9600 HWG Condensing Water Heaters with black vent pipe/tubing. The recalled boilers are used to generate hot water for heating systems including baseboards or radiant flooring. The recalled water heaters generate hot water for use in homes, such as showers, sinks and dishwashers. “Mark II” and “9600 CB” or “9600 HWG” are printed on the front of the boilers and water heaters. The model number and BTU size are printed on the right side of the unit. The recalled boiler and water heater exteriors are putty and black-colored or taupe and black-colored. Only the following models are included in this recall. Model Input (Btu/h) Gas Boilers: CB 150 150,000 CB 175 175,000 CB 200 200,000 Water Heaters: HWG 150 150,000 HWG 175 175,000 HWG 200 200,000
About 2,100 units, as CPSC gives them.
Laars 9600 CB Condensing Boilers & 9600 HWG Condensing Water Heaters.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
CPSC’s photos
CPSC shows 3 photos on its notice. Hearth Record doesn’t copy them; each opens on cpsc.gov.
Who made and sold it?
- Made by Laars Heating Systems Co., Rochester, N.H.
- Plumbing and heating wholesalers and representatives nationwide from November 1998 through February 2007 for between $6,500 and $7,300.
- Made in United States, as the notice gives it.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
Was anyone hurt?
Laars has received three reports of cracked vent components. No injuries have been reported.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
What the record doesn’t say
- The notice lists no UPCs, so check the model, the description and the photos.
- The notice lists no model numbers in a field of their own; its description may give them.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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U.S. Consumer Product Safety Commission, Recalls API.
Checked Oct 19, 2026. Updated daily. Public domain (U.S. Government work). CPSC asks to be credited, and that no endorsement be implied.
Recalls of kids’ and home products are from the U.S. Consumer Product Safety Commission (CPSC). CPSC does not endorse Hearth Record. Copied on Oct 19, 2026.