How much does it cost to fix boiler error code E352?

Typical repair cost for the boiler E352 fault is £150-250 including labour.

E352 High

Boiler Fault Code E352

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code E352 appears across 1 boiler brand and 7 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is currently unable to read its own internal water pressure, which prevents it from operating safely to provide heat or hot water. (As reported on Navien NCB CE)

Pick your boiler brand for the E352 fix

Navien E352 7 models

Source

Information for the E352 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