What does the Viessmann Vitodens 200-W F58 fault code mean?
The F58 fault code on the Viessmann Vitodens 200-W indicates a problem with the gas pressure regulator. This issue can prevent the boiler from operating correctly, potentially leading to heating and hot water supply interruptions.
Common Causes
- Faulty Gas Pressure Regulator: The regulator may be malfunctioning, leading to incorrect gas pressure levels.
- Blocked Gas Supply: A blockage in the gas supply line can cause insufficient pressure, triggering the fault code.
Can I fix it myself? (DIY)
It is strongly advised to call a Gas Safe Engineer to diagnose and repair this issue, as it involves gas and safety regulations that require professional handling.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for fixing the gas pressure regulator on a Viessmann Vitodens 200-W is around £250 to £350. This includes parts and labour, as the regulator itself can cost approximately £150, with the remainder covering the engineer’s time and expertise.