Low
8.6 on Chaffoteaux Britony II 40FF

The main gas control dial on the front of your boiler has become difficult to turn or is seized, preventing you from adjusting the settings.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

Gas control tap stiff (User’s)

From this model's manual
Verified against the Chaffoteaux Britony Ii 30ff installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

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

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