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Just replaced overrun stat, made no difference- found pump does not overun! it goes off as soon as timer shuts heating off. found also one radiator is now stone cold, have bled the system all over many times and no air in it. the cold rad I have bled with 1- both inflow and balance valves shut...

Hi CBF,, thats what I thought, but if I put the heating on, stood near the boiler, when its quiet, I can hear the boiler start up, also the sound of that is not that loud, so I can hear the pump start too at the same time. I thought underrun/overrun, but don't know where the stat is on the...

Hi all,,, got the above problem, 50% of the time the heating starts, pipes clang alarmingly. Its definitely water hammer, as I can replicate the sound with opening/closing taps violently. The system is cold when it happens, always. It makes no difference if the controller is set to 'heating and...

And where to get them? Hi all- I have a front porch with a small tiled pitched roof, supported at the 2 outer corners by 4 inch sq. wooden pillars, that were originally set into the brickwork of the dwarf wall that surrounds the lower porch. Needless to say, over time these suffered the...

How do you power flush one of these then- especially blocking feed / overflow compared to normal system? Is there just the one hole to block (oo err missus! :oops: ) or is it not that simple? Cheers!

Looking for the above- long (283mm?)-mine has fell apart due to rivets corroding, and spot welds also, in places. I need the longer of the 3 supplied. I can get one local but at £200!! No way,,,,,,. I can fix mine but would rather have new, for appearance sake. At the list price, they'd stay on...