No Pump Feed High

Potterton No Pump Feed Fault Code

Also written as NOPUMPFEED — same fault.

The Potterton No Pump Feed fault code means: your boiler has detected a safety issue that has caused it to shut down to prevent damage, meaning you currently have no heating or hot water.. It appears on 2 Potterton models in our database.

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: Safety thermostat open circuit, fan protection thermostat open circuit, flow thermistor out of resistance range, or blocked condensate trap.
Typical repair cost £150-350 (including labour)

Engineer required

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

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Potterton models that show the No Pump Feed fault code

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

Source

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

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