Bleeding a tall tubular Radiator

Discussion in 'Plumbers' Talk' started by Network plumber, Nov 24, 2009.

  1. Network plumber

    Network plumber New Member


    I have just installed the first of a number of tall (6ft) modern
    tubular (20 Tubes wide) radiators. Is there a special technique for
    installing and bleeding them, as initially only the three out side
    columns on the bleed valve end got hot. After lots of playing, turning
    all the other radiators off etc, and bleeding from the over end of the
    rad at the top by loosening the blanking nut, I now have the two out
    side columns warm. But this still leaves me with 15 cold columns. The
    horizontal tube across the bottom is hot.

    Thoughts please

  2. musky1

    musky1 New Member

    Probably like alot more people,who think they can just add rads,different sizes,bigger outputs,different heights,doubles etc without considering whether the boiler input/output can cope.
  3. HOTDOG ø

    HOTDOG ø Active Member

    is the flow connected correctly to the dip tube side?
  4. Mountain Man

    Mountain Man New Member

    I had trouble with one of these tall designer rads till I rang the company who asked if I'd seen the tiny label on the back saying TOP. I went all red I did!

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