INSUFFICIENT WATER FLOW High
Your boiler is struggling to detect the flow of water necessary to ignite and provide you with heating or hot water.
Call an engineer soon
Book a Gas Safe engineer within 24–48 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, vii) Water regulator (LP model) Adjust
Typical repair cost £120-250 (including labour)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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