Yeah thanks Ian - I think deep down Id rather not mess with it and make things worse.
Its no where near overpressurising so I'll hang on a for few days.
Cheers
Hi
I have always left the key in the boiler since it was installed about 10 years ago as I was convinced I'd end up losing it or misplacing it somewhere.
A few days back I tried turning it to add a bit of water to the system as its just a fraction below 1 and due to it being so tight and hard...