Not Yet Classified

This recall has not yet been classified by risk level.

Laars Heating Systems Recalls Gas Boilers and Water Heaters Due to Carbon Monoxide Poisoning Hazard

Date: March 19, 2007
Company: Laars Heating Systems Co., of Rochester, N.H.
Status: Ongoing
Source: CPSC

What You Should Do

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

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.

Affected Products

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

Why Was This Recalled?

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.

Where Was This Sold?

Distribution information not available.

About Laars Heating Systems Co., of Rochester, N.H.

Laars Heating Systems Co., of Rochester, N.H. has 1 total recall tracked by RecallDetector.

Related Recalls

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