High
GAS CONTROL TAP STIFF (USERS) on Chaffoteaux Britony II 30FF

The dial you use to turn your boiler's gas supply on or off is physically jammed, making it difficult or impossible to operate safely.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

i) Grease dried, ii) Operating mechanism replaced incorrectly

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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