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how do i fix the pressure on my combi boiler(sabre 28 flue)?

the pressure gauge on my combi boiler(sabre 28 flue) is sitting at 3 bars i have tried bleeding the radiators as there seems to be water escaping from them but there doesn't seem to be any air escaping and i cant keep the pressure bar down how can i get the pressure down and stop the water from escaping?
kevin jones, January 2009
When your system is cold it should be at 1 bar or maybe 1.5 , and when the heating is on it will rise to maybe 2.5 .If your system is on 3 bar when cold it's way over and why, has sombody added more water to your system an put in to much or is your filling loop on your system letting by over filling the system if so check it out. Look for a drain cock on the pipework near one of your Rads and pop a hose pipe on it and open it ot remove some of that pressure all the best

herbie, January 2009
link Click here to see other fixes for Sabre 28 flue.