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- 12 Nov 2007
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Hi i drained down my system to move a radiator from one side of the room to another. After refilling and bleeding the system everything was fine and the rads were really hot. now about 10 days later the rads are still heating up but are nowhere near as hot as the were after the work was done. I have bleed the system again but they are still not as hot. Do you think this may be due to sludge as the water was really dirty??