"Christian McArdle" wrote in message
. net...
Of course without a towel rail you are knackered.

Technically you can use this technique with any radiator, although it
helps
if the bleed valve unit hasn't been painted to the radiator.

Christian.



I think that new instalations should have two features:
1. A proper outside drain point with a valve in the house.
2. A means of dosing the system.

3 - possibly a place to attract sludge and allow it to be removed - a
bit like the traps on compressed air systems. Ideally transparent so that
you can see the colour of the circulating gunge.

John