Water temperature too hot High

Worcester Bosch Water temperature too hot Fault Code

Q: What does the Worcester Bosch Water temperature too hot fault code mean?

Your boiler has sensed that the water inside it is getting dangerously hot and has shut itself down to prevent damage.

Q: How much does it cost to fix Worcester Bosch error code Water temperature too hot?

Typical repair cost for the Worcester Bosch Water temperature too hot fault is £120-220 including labour.

Also written as WATERTEMPERATURETOOHOT — same fault.

The Worcester Bosch Water temperature too hot fault code means: your boiler has sensed that the water inside it is getting dangerously hot and has shut itself down to prevent damage.. It appears on 1 Worcester Bosch model in our database.

Technical description: Sensor off pipe.

Typical repair cost £120-220 (including labour)

Engineer required

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

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Worcester Bosch models that show the Water temperature too hot fault code

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

24si II Repair: £120-220

Source

Worcester Bosch Water temperature too hot fault code information on this page is sourced and cross-checked against the official Worcester Bosch service / installation manuals for each affected model.

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