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Since having a new boiler installed last year the thermostat thing that is on a wall in our lounge is now redundant, we have to control temperature using the valves on the radiators. I would very much prefer to use the thing on the wall i the lounge (where you choose the temperature and then...

Hi, I got a new Flexicom 30CX installed less than a year ago by a plumber who recommended it. It had an F9 error last year but we reset with button on front and it was fine. Now it is coming up as F5 (overheat) and then when you turn it off and turn on again says F9. I phoned the guy that...