How much does it cost to fix Chaffoteaux error code E 08?

Typical repair cost for the Chaffoteaux E 08 fault is £80-150 including labour.

E 08 High

Chaffoteaux E 08 Fault Code

Q: What does the Chaffoteaux E 08 fault code mean?

Your boiler has detected that the water pressure inside the heating system is too low to operate safely.

Also written as E08 — same fault.

The Chaffoteaux E 08 fault code means: your boiler has detected that the water pressure inside the heating system is too low to operate safely.. It appears on 1 Chaffoteaux model in our database.

Technical description: No water in the primary circuit

Typical repair cost £80-150 (including labour)

DIY fix possible

Locate the filling loop, which is usually a silver braided hose under the boiler connected to two valves.Open the valves slowly to allow water to enter the system until the pressure gauge reads between 1.0 and 1.5 bar.Close the valves firmly and check to ensure the pressure is stable.

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Chaffoteaux models that show the E 08 fault code

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

Minima HE Repair: £80-150

Source

Chaffoteaux E 08 fault code information on this page is sourced and cross-checked against the official Chaffoteaux service / installation manuals for each affected model.

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