How much does it cost to fix boiler error code 52?

Typical repair cost for the boiler 52 fault is £120-280 including labour.

52 High

Boiler Fault Code 52

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code 52 appears across 3 boiler brands and 9 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has managed to light the small pilot flame, but the main gas burners are failing to ignite to heat your home. (As reported on Ideal Mexico Super CF3 40-80)

Pick your boiler brand for the 52 fix

Ideal 52 5 models Remeha 52 1 model Vokera 52 3 models

Source

Information for the 52 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 27 April 2026