Recent content by kelvyn

Hi Alan, Thanks for your reply. I haven't checked the inlet filters as I wouldn't dare take the cover off and don't know what to do. The only thing I know how to do is to top up the pressure in the system by adding a bit of extra water. It has been serviced quite recently (Jan). Is it...

I have a 8yr old combi-boiler Celtic+ and it has just started making a high pitched intermittent whine. If I switch the boiler to off the whine goes away but it still happens when it isn\\\'t heating water and the radiators have reached temperature. It has made a loud whine/howl when heating...