How much does it cost to fix Vaillant error code F.60?

Typical repair cost for the Vaillant F.60 fault is £220-450 including labour.

F.60 High

Vaillant F.60 Fault Code

Q: What does the Vaillant F.60 fault code mean?

Your boiler has detected an electrical communication problem with the internal gas valve, which is preventing it from safely lighting the flame for heating and hot water.

Also written as F60 — same fault.

The Vaillant F.60 fault code means: your boiler has detected an electrical communication problem with the internal gas valve, which is preventing it from safely lighting the flame for heating and hot water.. It appears on 21 Vaillant models in our database.

Technical description: Gas valve control circuit error

What causes the Vaillant F.60 fault?

This fault occurs when the boiler's main control board loses its electrical connection with the gas valve, meaning the system can no longer control the flow of fuel. The most common reason is an internal electronic failure within the valve's circuitry or a loose connection in the wiring harness that links the components together. In some cases, the control board itself may have degraded and is failing to send the correct signals to initiate ignition.

Typical repair cost £220-450 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Vaillant models that show the F.60 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Vaillant F.60 fault code information on this page is sourced and cross-checked against the official Vaillant service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026