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How do I re pressurise my boiler

Discussion in 'Plumbing and Central Heating' started by movieman, 12 Apr 2021.

  1. movieman

    movieman

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    How do I repressurise my boiler I turned the black knob left and right and nothing seems to happen IMG-20210412-WA0002.jpeg IMG-20210412-WA0004.jpeg
     
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  3. kidgreen61

    kidgreen61

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    The plastic knob is probably not gripping the spindle, remove it, and operate with pliers.
    Make sure you turn it off fully afterward.
     
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  4. Mottie

    Mottie

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    If you can turn that black knob left AND right, the knob must be buggered. As said, remove the screw, remove the knob and use pliers to turn the shaft 90°. It should only go one way.
     
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  5. movieman

    movieman

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    Thanks guys I tried that and Nah nothing it just goes round and round thr gold coloured metal tap

    I saw this online , do you think my tenant has some how stolen the nobs under the boiler

    .
     
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  7. Mottie

    Mottie

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    Looks like you’ll just have to replace the valve.
     
  8. Alec_t

    Alec_t

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    Is that an isolating valve on the left end of the flexi?
     
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  9. oldbuffer

    oldbuffer

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    1. The video you cite is for a different filling system even though it is for a Vaillant boiler.
    2. The valve you should be operating is the one with the black plastic handle as shown in your first photograph. It is attached to a chrome or nickel plated valve, not a brass coloured one.
    3. Leave all brass coloured valves as they were before you started the exercise.
    4. For the valve with the black plastic handle:
    4a. Remove the handle by undoing the screw in the centre of the handle and pull the handle off.
    4b. Underneath will be a round shaft with a flat on each side.
    4c. Use a spanner, grips, or if you must, pliers to turn the spindle thorough 90 degrees.
    4d. When the pressure is back to where you want it (around 1.2 bar is normal) turn the valve back through 90 degrees and refit the handle. The handle should be at right angles to the line of the pipe, as it is in your first photograph.
    5. The fitting at the left hand end of the flexible pipe is a non-return valve. Should not need to be touched.
     
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  10. movieman

    movieman

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    bro this is fuc king awesome thanks so much thats amazing :) :) :)

    and thanks to everyone else who contributed !
     
  11. DIYnot Local

    DIYnot Local

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