Limited 5 year warranties for Canadian customers

For residential gas-fired condensing boilers up to 300 MBH input.

All residential applications of Viessmann gas-fired condensing boilers up to 300 MBH are eligible for a limited 5 year parts warranty.

Note:   The standard Viessmann  2 year parts warranty does not require registration. Registration is only required if you wish to extend this warranty for an additional 3 years.


Limited five (5) year parts warranty

Our base warranty for parts is for 2 years, with a possible  FREE  3-year extension for a total of 5 years when you register the boiler online.

Note:   Contractors need a Viessmann account to register boilers online. Read more here about how to get a Viessmann account.

To register products online,  the following information is required:

  • Serial numbers of the products
  • Address of the building where the products are installed
  • Date of installation

The warranty reimburses the cost of parts after an approval process.

The effective date for the new warranty is January 1, 2024 and is applicable to the following boiler series:

  • Vitodens 100-W
  • Vitodens 200-W
  • Vitodens 222-F
  • Vitocrossal 300, CU3A

Warranties need to be registered within 60 days from the date of installation.


Registration support

Phone:    1-800-387-7373   Monday  to Friday, 8:00 am  to 4:30 pm EST



Viessmann account

If you're a heating contractor and you would like to access our Heating Systems Overview site and other digital tools, you will need to log in with a Viessmann account. If you don't yet have a Viessmann account, you can register here free of charge at any time. The Viessmann account is your personal gateway to the digital Viessmann world. In the future, you will only need this one account to use all of our digital services and apps.

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