How much does it cost to fix boiler error code 810?

Typical repair cost for the boiler 810 fault is £150-300 including labour.

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Boiler Fault Code 810

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code 810 appears across 2 boiler brands and 8 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is failing to heat your water, which usually points to a sensor or valve issue preventing the hot water mode from activating. (As reported on Worcester Bosch Greenstar 4000)

Pick your boiler brand for the 810 fix

ECA 810 1 model Worcester Bosch 810 7 models

Source

Information for the 810 fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →

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