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I have 10 radiators in my house and at present 3 of them do not warm up. I have tried shutting off all of the working ones - to try and force the 3 to get warm but they do not.
I have noticed however that the inflow pipes to two of the them do get hot if I start to bleed that radiator.
However, on the third radiator, whenever i try and bleed it the pipe remains cold - as hardly any water at all comes out when i try to bleed it (it is a mere trickle of drops).
Any ideas as to what i can try?
Would draining the system and adding a chemical restorer (Fernox) etc clean out the system and get it all working again.
I have noticed however that the inflow pipes to two of the them do get hot if I start to bleed that radiator.
However, on the third radiator, whenever i try and bleed it the pipe remains cold - as hardly any water at all comes out when i try to bleed it (it is a mere trickle of drops).
Any ideas as to what i can try?
Would draining the system and adding a chemical restorer (Fernox) etc clean out the system and get it all working again.
