Buying into Viessmann.
Viessmann use their best endeavours to ensure that their products are manufactured without any manufacturing or material defects.
The standard terms and conditions guarantee that Viessmann will fix or replace any manufacturing or material defects free of charge within a period of 20 years from the date of delivery.
Viessmann Warranty Overview
Return of Goods & Warranty Claims.
We very much hope you will be happy with your products, however we do understand items sometimes need to be returned.
Condition is all important, an item should have been treated in the same way as if it was on sale in a shop, unopened and unused with seals intact.
Policy.
Our returns policy can be found here.