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CPSC recall · Reported March 19, 2007

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

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.

Recall #
07535
Affected scope
About 2,100
Verify with CPSC →
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Laars Heating Systems Co., of Rochester, N.h. recalled This recall involves Laars 9600 CB Condensing Heating Boilers and Laars 9600 HWG Condensi….

Laars Heating Systems Recalls Gas Boilers and Water Heaters Due to Carbon Monoxide Poison… was recalled by Laars Heating Systems Co., of Rochester, N.h. in March 19, 2007. Reason: Internal black plastic venting components in the gas boilers and water heaters can crack and leak flue gases,…. Remedy: Consumers should contact Laars Heating Systems to help determine if their boiler or water…. Verify recall #07535 with the CPSC before acting.

The recall

Laars Heating Systems Co., of Rochester, N.h. issued this CPSC recall-Internal black plastic venting components in the gas boilers and water heaters can crack and leak flue gases,….

None
agency class
March 19, 2007
reported

Sourced from official CPSC enforcement records. Verify recall #07535 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.

Recall Insight

This recall's affected scope, documented in the Recall Profile below, stays within a single-region or limited-distribution footprint. Distribution information was not included in the agency filing, so consumers should assume broad potential exposure until the firm publishes point-of-sale details. Consumers holding this product should act on the agency's documented remedy above rather than relying on general guidance.

Within the same product category the archive holds 6 closely related recalls, 6 from CPSC - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.

Appliances recalls over time

Where this recall sits in its category - 426 appliances recalls on record

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Product description

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

Reason for recall

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.

Remedy, what to 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.

Recall Profile

Structured summary of the CPSC recall record
Attribute Value
Agency U.S. Consumer Product Safety Commission
Severity class Not classified by agency
Status Active
Recall number 07535
Date reported March 19, 2007
Date initiated March 19, 2007
Recalling firm Laars Heating Systems Co., of Rochester, N.h.
Affected scope About 2,100
Distribution Not disclosed
Official source CPSC notice →

Profile values are sourced directly from the official CPSC enforcement record. Source: U.S. Consumer Product Safety Commission.

What to do with this recall

Consumers should contact Laars Heating Systems to help determine if their boiler or water heater needs to be shut off immediately…

  • Check the recall number (07535) and product description against the item you own. Search the archive
  • Confirm the current status and remedy on the official CPSC notice before acting. CPSC notice
  • Follow the documented remedy (refund, replacement, repair, or disposal) rather than general advice. What to do next

This page summarizes the official CPSC record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.

Frequently Asked Questions

What product was 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. Recalled by Laars Heating Systems Co., of Rochester, N.h.. Units affected: About 2,100.
Why was this product 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.
What should consumers 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.
Which agency issued this recall?
This recall was issued by the CPSC on March 19, 2007. CPSC does not publish a hazard classification for this recall. Recall number: 07535.
How do I report an injury from a recalled product?
Report injuries to the issuing agency: CPSC at SaferProducts.gov, NHTSA at nhtsa.gov/report-a-safety-problem, or FDA via MedWatch. Document the product (photos, model/serial numbers, purchase receipts) and seek medical attention. Injury reports help agencies track hazard patterns and may strengthen enforcement actions.

Nationwide recalls with similar severity or category timing

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This recall: CPSC, reported March 19, 2007. Severity classes follow each agency's own taxonomy; related-recall context is computed across the full archive.

Methodology · Corrections · Archive as of August 2026