Emergency
SMELL OF COMBUSTION PRODUCTS on Potterton Main Mersey Super

Your boiler is leaking potentially dangerous exhaust gases into your home rather than sending them safely outside.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

Technical description

1. Faulty case or terminal seal. 2. Failure to follow Instructions with regards to openable windows and doors.

Engineer required

This is a emergency severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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