Viessmann is a premium German brand founded in 1917 in Allendorf. A world leader in heating technology, present in more than 100 countries, it represents the summit of European know-how in condensing boilers. Its Vitodens ranges have for decades embodied the best available in energy efficiency and reliability.
When your Viessmann system fails, it deserves work that matches how it was designed. Chauffitherm covers every Viessmann range with the official diagnostic tools and the manufacturer's original parts — free quote, no surprises.
Viessmann ranges we cover
- Vitodens 050-W / 100-W / 200-W / 300-W — gas condensing
- Vitoladens 300-C — oil condensing
- Vitocrossal 100 / 200 / 300 — stainless steel gas boilers
- Vitopend 100-W / 200-W — conventional wall-hung boilers
- Vitodens 111-W — boiler with integrated cylinder
Our work on Viessmann boilers
Whether your Viessmann boiler is showing an error code, losing pressure, no longer producing hot water or refusing to start, our engineers diagnose the cause and repair it with the parts suited to your exact model.
- Repairs and fault-finding — breakdown, error code, leak
- Annual servicing with an official certificate
- Replacement of burner, heat exchanger, three-way valve, control board
- Repressurising and bleeding the circuit
- Combustion adjustment and efficiency optimisation
- Sweeping and draught checks for boilers with a traditional flue