If you need a bear sitter Jim I'm your man. 
Ok, apologies for frightening him - but it's a real possibilitye505jpy said:JOHN!!!
Now you scared him and he won't come out of bed!!
..and I need him to help me find that air-lock on the white one today!
Jim
Nothing much, but the radiator is an air trap (which is why it has its own bleed screw).e505jpy said:erm.... Might have
(Ok, what have i done wrong now.....)
Jim
You did find some antifreeze, didn't you?e505jpy said:and realizing I'd no anti freeze etc