How much does it cost to fix boiler error code WATER TEMPERATURE LOW?

Typical repair cost for the boiler WATER TEMPERATURE LOW fault is £120-250 including labour.

WATER TEMPERATURE LOW High

Boiler Fault Code WATER TEMPERATURE LOW

Also written as WATERTEMPERATURELOW — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

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

Most common meaning Your boiler is struggling to heat the water to the right temperature because the water is flowing through the system too quickly or the gas supply isn't strong enough. (As reported on Chaffoteaux Corvec 28 OF BF)

Pick your boiler brand for the WATER TEMPERATURE LOW fix

Chaffoteaux WATER TEMPERATURE LOW 1 model

Source

Information for the WATER TEMPERATURE LOW 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