GAS CONTROL TAP STIFF (USER’S) Medium

Chaffoteaux GAS CONTROL TAP STIFF (USER’S) Fault Code

Q: What does the Chaffoteaux GAS CONTROL TAP STIFF (USER’S) fault code mean?

The dial you use to turn your boiler on or off has become extremely difficult to move, which likely means the internal lubricant has dried out or the knob was not put back on correctly after previous work.

Q: How much does it cost to fix Chaffoteaux error code GAS CONTROL TAP STIFF (USER’S)?

Typical repair cost for the Chaffoteaux GAS CONTROL TAP STIFF (USER’S) fault is £120-200 including labour.

Also written as GASCONTROLTAPSTIFFUSERS — same fault.

The Chaffoteaux GAS CONTROL TAP STIFF (USER’S) fault code means: the dial you use to turn your boiler on or off has become extremely difficult to move, which likely means the internal lubricant has dried out or the knob was not put back on correctly after previous work.. It appears on 4 Chaffoteaux models in our database.

Technical description: I) Grease dried; II) Operating mechanism replaced incorrectly

Typical repair cost £120-200 (including labour)

Engineer required

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

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Chaffoteaux models that show the GAS CONTROL TAP STIFF (USER’S) fault code

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

Source

Chaffoteaux GAS CONTROL TAP STIFF (USER’S) fault code information on this page is sourced and cross-checked against the official Chaffoteaux service / installation manuals for each affected model.

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