RecallGuide.ca
    Health productsUpdated Jan 3, 2026ViessmannOfficial source

    Viessmann boiler recall in Canada: Carbon monoxide hazard

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    In plain language

    This recall involves certain Viessmann Vitodens 200-W and Vitodens 222-F boiler models sold in Canada. They are being recalled because the heat exchanger may corrode, leading to increased carbon monoxide levels. Stop using the product and contact the installer or distributor to schedule a free boiler safety inspection.

    What to do

    • Stop using the product immediately.
    • Contact the installer or distributor to schedule a free boiler safety inspection.
    • Install a working carbon monoxide alarm outside sleeping areas if you continue to use the boiler while awaiting inspection.
    • Check the model and serial numbers on your boiler to see if it is affected.

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    Affected products

    • Vitodens 200-W

      Model: B2HB 19, B2HB 26, B2HB 35

    • Vitodens 222-F

      Model: B2TB 19, B2TB 35

    Why this matters

    Carbon monoxide hazard

    Do I have this product?

    This recall only applies to specific products. Follow the steps below to check.

    1. 1

      Check the product name

      Make sure your product name matches one of the affected products listed above.

    2. 2

      Check the model number

      Model numbers are typically on the product label or packaging.

      Affected models: B2HB 19, B2HB 26, B2HB 35, B2TB 19, B2TB 35

    If your product matches one or more of the details above, it may be affected by this recall.

    If your product does not match these details, it is not affected by this recall.

    When in doubt, always check the official notice.

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    Frequently Asked Questions

    Why was this product recalled?

    Carbon monoxide hazard

    What should consumers do?

    Stop using the product immediately. Contact the installer or distributor to schedule a free boiler safety inspection. Install a working carbon monoxide alarm outside sleeping areas if you continue to use the boiler while awaiting inspection. Check the model and serial numbers on your boiler to see if it is affected.

    Where was the product sold?

    This product was sold in Canada. For specific retailers or distribution areas, please check the official recall notice linked on this page.

    Is there a health risk?

    Yes, there may be a health risk. Carbon monoxide hazard

    When was this product recalled?

    This product was recalled on April 25, 2019.

    Is the Viessmann brand affected by this recall?

    Yes, Viessmann products are affected by this recall. This recall involves certain Viessmann Vitodens 200-W and Vitodens 222-F boiler models sold in Canada. They are being recalled because the heat exchanger may corrode, leading to increased carbon monoxide levels. Stop using the product and contact the installer or distributor to schedule a free boiler safety inspection.