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one upstairs radiator cools down. Why?

No problems with any of the other radiators upstairs or downstairs. But one bedroom radiator is hot only for the first couple of hours then starts to cool down until it is only lukewarm and remains lukewarm. At this stage there are no hotspots on the radiator at all - it is lukewarm all over. confused-smiley-013.gif

Both the pipes at the bottom of the radiator remain hot throughout.

My knowledge only extends to bleeding the radiator which I've done but it hasn't improved sad.gif

grateful for any advice.

Cheers and happy Christmas

Comments

  • Browntoa
    Browntoa Posts: 49,620 Forumite
    Part of the Furniture 10,000 Posts Name Dropper Photogenic
    I've had a thermostatic valve that malfuntioned causing the same

    only way to change them is to drain down the whole system
    Ex forum ambassador

    Long term forum member
  • Thanks, Browntoa. Think I'll postpone it until spring before draining it. My "to do" list just keeps on growing :D
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