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- 7 Feb 2005
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can anyone help me with this problem, I have just had some pipe work move around in the loft, and the header tank moved to an higher location about 2 foot above previous point, all of which are connected to my worcster central heating boiler. since all this as been done I have a problem with air having to be released every other day in the landing radiator, which is the nearest to the pump. I have tied the ballcock up and hung a piece of white cable with a black line on it to see if there is any leaks, but the water stays at a constant level. just to make sure that there is no sludge in the system, I have flushed the system three times on each occasion topping up with sentinel X400, leaving it in the system for one month period then draining off, and removed vast amounts of black sludge on each occasion, I have also removed all the downstairs rads and flushed them out using a hosepipe. the boiler is only 2 years old its a (worcster) and as just recently had a new heat exchanger fitted by one of worcsters engineers (due to kettleing) the problem only started after the pipe work was done. All the fittings used were compression fittings and have been checked for leaks, Any assistant or advise please. Regards Mick