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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
Compiled from official public sources by the editorial team.
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… - a moderate-severity action.

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 moderate-severity CPSC recall-Internal black plastic venting components in the gas boilers and water heaters can crack and leak flue gases,….

Moderate
severity level
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 CPSC action (record #07535) was formally reported on March 19, 2007. It is classified under Moderate severity, with a current status of Active. Laars Heating Systems Co., of Rochester, N.h. is listed as the recalling firm. Federal records list the affected scope as About 2,100.

The documented reason for this recall is: 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. Distribution information was not included in the agency filing, so consumers should assume broad potential exposure until the firm publishes point-of-sale details. The remedy documented by the agency is: 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. - consumers holding this product should act on that instruction 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 - 419 appliances recalls on record

0102030405060 20052008201120142017202020232026 9
Severity2487872426High severity (most serious)Moderate severityLow severity
Where this recall sits in the database

Of 101,704 recalls in the database, 24,878 are high severity, 72,426 moderate, and 4,400 low. This recall is classified moderate severity.

Counts reflect market size and reporting activity, not inherent danger, we do not rank products by risk from raw recall volume.

Severity

Moderate

Affected scope

About 2,100

Related Recalls

6

6 from same agency

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 Moderate
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. Severity: Moderate. Recall number: 07535.
How do I check if my product is affected by a recall?
Check the product description and recall number (07535) against your product. Visit the official CPSC website for the most current information. You can also use our Recall Checker tool to search by product name or brand.
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.

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Every figure on PlainRecalls is rendered directly from official FDA, CPSC and NHTSA recall records, no number is typed in by an editor. This recall: CPSC, reported March 19, 2007. Severity classes follow each agency's own taxonomy (FDA Class I/II/III; CPSC and NHTSA by hazard type), and related-recall context is computed across the full archive. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.