Recent content by kellihall

Hi Thank you all for helping Is it better for me to remove the radiator as John suggested, or to add sludge remover to the header tank?? If i do will the loosened sludge damage the pump and 3 port valve? I have never done this before, but am confident of doing it, just need to be...

have tried with lockshield and trv fully open and still the same

1 of my upstairs radiators isn't heating up very well. I believe it has sludge in it as the bottom 1/3 is colder. I have looked in ym header tank in the attic and it looks dirtyish. Do i need to remove this radiator to flush it out or should i clean the whole system out?? I have heard...