Medium
Noise on Worcester Bosch WR325 RSF

Your boiler is struggling to pass water through its heating system, which is causing it to make loud, rumbling, or banging noises.

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

Scale in heat exchanger, High gas rate, or Low water flow rate

Engineer required

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

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