I have bled all my radiators in the house today and most of them were letting out lots of air. My boiler is now recording zero pressure and wont work! I assume this has something to do with the fact that i have bled the radiators. The manual tells you to re-pressurise the system but not how to do that!! Think this may have something to do with the water inlet valve underneath, but have turned this and nothing happened. Can anyone help?

Emma, December 2006

yes your boiler has gone into lock out mode due to water to low. just do what steve said but now you will have to bleed them again because youv'e let air in again . always make sure you check pressure on every rad when bleeding or you will be going round in circles.

hi-spec plumbing, December 2006

First things first - I'm no plumber - and my boiler is a 105E.

Mine has TWO valves - one from inlet (mains) and other to enter pipe into heating system.

There will probably be a flexible pipe linking them both.

Have a look for a second valve. I PRESUME there are 2 in case the flexible pipe needs to be removed.

If sucessful keep an eye on pressure as you transfer water to system. Raise pressure to 1.0-1.5 Bar.

The boiler MAY need resetting as it will have switched off below about 0.5 bar.

Steve, December 2006