How much does it cost to fix boiler error code Block 82?

Typical repair cost for the boiler Block 82 fault is £150-250 including labour.

Block 82 High

Boiler Fault Code Block 82

Also written as BLOCK82 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Block 82 appears across 1 boiler brand 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 has detected a faulty sensor that monitors exhaust fumes, so it has purposefully shut down for safety reasons until the part can be replaced by a qualified engineer. (As reported on Atag E32S)

Pick your boiler brand for the Block 82 fix

Atag Block 82 8 models

Source

Information for the Block 82 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