How much does it cost to fix Potterton error code Dry fire?

Typical repair cost for the Potterton Dry fire fault is £80-150 including labour.

Dry fire High

Potterton Dry fire Fault Code

Q: What does the Potterton Dry fire fault code mean?

Your boiler has detected that there is not enough water inside it to operate safely, so it has shut down to prevent internal damage.

Also written as DRYFIRE — same fault.

The Potterton Dry fire fault code means: your boiler has detected that there is not enough water inside it to operate safely, so it has shut down to prevent internal damage.. It appears on 1 Potterton model in our database.

Technical description: Boiler has been fired without water Check system

Typical repair cost £80-150 (including labour)

DIY fix possible

Locate the external filling loop, usually a silver braided hose with one or two valves located underneath the boiler.Open the valves slowly to allow mains water into the heating system until the pressure gauge on the front of the boiler reads between 1.0 and 1.5 bar.Close the valves tightly and restart the boiler.

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Potterton models that show the Dry fire fault code

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

Envoy 30 Repair: £80-150

Source

Potterton Dry fire 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