High
INSUFFICIENT WATER FLOW on Chaffoteaux Britony II 50FF

Your boiler is struggling to detect enough water flowing through it to safely start your hot water or heating.

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) Water service tap partly closed; II) Blocked venturi; III) Low water pressure; IV) Water governor faulty; V) Water governor sticking; VI) Foreign matter in water section

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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