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i will try the valves at the weekend, what do you mean by 'tapping the radiator'...cheers
Cold radiator in attic
- Thread starter stevepalace
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Basically take your shoe off. Support the rad with your knee. Ie hold it against the wall and whack it plenty of times on the top corners and bottom corners.
Sometimes this clears sludge build up.
Sometimes this clears sludge build up.
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oh ok,,,i thought it was some plumbers technical term...it sounds like a job i'm suited for 
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oh ok,,,i thought it was some plumbers technical term...it sounds like a job i'm suited for
good people do it when they powerflush too as it can knock off some sludge that’s sticking.
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