How much does it cost to fix Remeha error code H02.38?

Typical repair cost for the Remeha H02.38 fault is £150-300 including labour.

H02.38 High

Remeha H02.38 Fault Code

Q: What does the Remeha H02.38 fault code mean?

Your boiler is struggling to detect the water flow correctly, which acts as a safety measure to prevent the internal components from getting too hot.

Also written as H0238 — same fault.

The Remeha H02.38 fault code means: your boiler is struggling to detect the water flow correctly, which acts as a safety measure to prevent the internal components from getting too hot.. It appears on 1 Remeha model in our database.

Technical description: No water hardness

Typical repair cost £150-300 (including labour)

Engineer required

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

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Remeha models that show the H02.38 fault code

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

Quinta Ace 30 Repair: £150-300

Source

Remeha H02.38 fault code information on this page is sourced and cross-checked against the official Remeha service / installation manuals for each affected model.

Remeha Quinta Ace 30 manual (PDF)

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026