Search results

1). Warn the downstairs neighbour NOT to leave via his patio door; 2). Boiled a pan of water; 3). Opened my window; 4). Threw said boiling water at the pipe! 5). Contacted landlord to have the pipe lagged :)

Just to update anyone who cares, it seems the cold snap is freezing the condensation pvc pipe which is causing the F4 error message.

Hi all, My wife is having problems at home with the combi boiler. There is a F4 message on the display and i'm wondering if any of you good people know what it is and if there is a simple fix? Cheers in advance.