Medium
Complaints of noise (4) on Chaffoteaux Flexiflame 140

Your boiler is making unusual noises because a internal valve is getting stuck, which can disrupt your hot water supply.

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

Water section sticking open.

Engineer required

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

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