What does the Vaillant ecoFIT pure F41 fault code mean?
The F41 fault code on the Vaillant ecoFIT pure indicates a problem with the condensate trap, which may be blocked or malfunctioning. This issue can prevent the proper drainage of condensate, leading to potential boiler shutdown.
Common Causes
- Blocked condensate trap: Debris or sludge accumulation can obstruct the flow of condensate.
- Faulty trap mechanism: The internal components of the trap may be damaged or worn, preventing it from functioning correctly.
Can I fix it myself? (DIY)
It is advisable to call a Gas Safe Engineer to address this issue, as working on the boiler’s condensate system can involve gas and electrical components that require professional expertise.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for a faulty condensate trap on a Vaillant ecoFIT pure is around £150 to £200. This includes the cost of the replacement part and labour, as the condensate trap is a specific component that requires professional installation.