10-Year Guarantee On The Stainless Steel Heat Exchanger

10-Year Guarantee against leaks resulting from corrosion on the stainless steel heat exchanger
It is no surprise then that Viessmann offers a 10-year guarantee against leaks resulting from corrosion on the stainless steel heat exchanger.
The guarantee is offered subject to the following conditions:
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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.