Quote:
Originally Posted by derekgas
The radiators are better bled when cold, and with the heating switched off, you bleed radiators from the lowest points first, not the highest, you only vent radiators from upstairs first when you are draining the system, whenyou are filling the system, you do downstairs first, which is logical seeing as the air rises in the system!
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That's the way I have always done it, like you say air rises.