How much does it cost to fix Alpha error code Pump circulating water / No?

Typical repair cost for the Alpha Pump circulating water / No fault is £250-450 including labour.

Pump circulating water / No High

Alpha Pump circulating water / No Fault Code

Q: What does the Alpha Pump circulating water / No fault code mean?

Your boiler is struggling to push water around your radiators and taps, likely because there is trapped air in the system or the internal water pump has become faulty.

Also written as PUMPCIRCULATINGWATERNO — same fault.

The Alpha Pump circulating water / No fault code means: your boiler is struggling to push water around your radiators and taps, likely because there is trapped air in the system or the internal water pump has become faulty.. It appears on 2 Alpha models in our database.

Technical description: Vent air, then replace pump

Typical repair cost £250-450 (including labour)

Engineer required

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

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Alpha models that show the Pump circulating water / No fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Alpha Pump circulating water / No fault code information on this page is sourced and cross-checked against the official Alpha service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026