• Heizflaeche.jpg
  • Long term guarantee on the stainless steel heat exchanger

    All Viessmann condensing boilers are now equipped with a stainless steel heat exchanger. This technology brings with it an extremely high 98 percent efficiency and exceptionally safe and efficient operation during its long service life. It is therefore no surprise that Viessmann offers long term guarantee against leaks resulting from corrosion on the stainless steel heat exchanger.

Long term guarantee on the stainless steel heat exchanger

 

The guarantee is offered subject to the following conditions:

  • A maintenance contract must be taken out and proof of maintenance in accordance with the technical documents provided.
  • Gas, fuel oil, water and combustion air conditions meet Viessmann specifications.