Medium
GAS CONTROL TAP STIFF (USER’S) on Chaffoteaux Britony Duo 55

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.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

I) Grease dried; II) Operating mechanism replaced incorrectly

Engineer required

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

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