High
61 on Alpha E-Tec Plus

Your boiler is struggling to push water around your heating system because there is trapped air bubbles inside the pump or a blockage in the pipes.

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

Air in the pump - Restricted CH flow due to air or a circuit restriction

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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