How much does it cost to fix boiler error code SMELL OF COMBUSTION PRODUCTS?

Typical repair cost for the boiler SMELL OF COMBUSTION PRODUCTS fault is £150-300 including labour.

SMELL OF COMBUSTION PRODUCTS Emergency

Boiler Fault Code SMELL OF COMBUSTION PRODUCTS

Also written as SMELLOFCOMBUSTIONPRODUCTS — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code SMELL OF COMBUSTION PRODUCTS 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 leaking potentially dangerous exhaust gases into your home rather than sending them safely outside. (As reported on Potterton Main Mersey Super)

Pick your boiler brand for the SMELL OF COMBUSTION PRODUCTS fix

Potterton SMELL OF COMBUSTION PRODUCTS 1 model

Source

Information for the SMELL OF COMBUSTION PRODUCTS 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