How much does it cost to fix boiler error code S.76?

Typical repair cost for the boiler S.76 fault is £0-120 including labour.

S.76 Low

Boiler Fault Code S.76

Also written as S76 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code S.76 appears across 2 boiler brands and 17 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has temporarily paused operation because it is waiting for a clear reading from the internal water pressure sensor. (As reported on Glow-worm Ultracom 2 SXI)

Pick your boiler brand for the S.76 fix

Glow-worm S.76 12 models Vaillant S.76 5 models

Source

Information for the S.76 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