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Bled radiator air came out no water the bottom gets hot but then stops on the third floor the rest of the radiators in the house working fine so do you think it’s a blockage 


  • mattmia2
    mattmia2 Member Posts: 8,893
    What pressure is the system at at the boiler?
  • bburd
    bburd Member Posts: 784
    It’s almost certainly not a blockage, the system pressure is probably too low to raise the water to the full height of the third-floor radiators.