Limited Five Year Warranties
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, where applicable, is only required if you wish to extend this warranty for an additional 3 years.
Limited five (5) year Parts Warranty
For applicable boilers, 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 your boiler through the digital tools (where applicable). Please view warranty documents for details.