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Heater Issue on 11th Floor: Radiators Partially Warm, Pipes with Valves, Possible Solutions

Grubixcin7 22431 16
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  • #1 11645553
    Grubixcin7
    Level 9  
    Hello!
    I have a problem with the heater. Namely, I live on the 11th and top floor of the block. The radiators in the kitchen and in the bathroom heat up nicely, only in the room the first 4 ribs are warm and the next ones are getting colder and in the middle of the radiator they are already cold. I will also add that above the radiators there are pipes protruding from them, ending with a valve. What could it be and can I do it myself...?? thanks in advance.

    Regards
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  • Helpful post
    #2 11645582
    Nemonek
    Level 27  
    These tubes with valves are vents. The described symptoms show that the radiators are air clogged. Place a vessel under the valve outlet, open the valve you mention slightly until it stops hissing and liquid appears, this will be a sign that the radiator is completely filled with liquid and should be heating. Close the valve carefully and that's it
  • Helpful post
    #3 11645603
    FOSGEN1
    Level 27  
    A friend recently had a similar problem. Also on the top floor in the building. 4 storeys. It turned out that it was necessary to top up the water in the system. But actually try to bleed first.
  • #4 11645655
    Grubixcin7
    Level 9  
    Only these vents are directed upwards and there is no outlet ... there is only something plastic at the top that can be unscrewed, is that it??

    Thanks :)
  • Helpful post
    #5 11645659
    FOSGEN1
    Level 27  
    Does this "something" look like hmm. the cap on the bicycle valve just a little bigger?
    It's best to take a photo with your cell phone and it will be easier.
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  • #6 11645698
    Grubixcin7
    Level 9  
    yes, similar to the valve cap :)
    I can't upload the picture because it's too big
  • #7 11645713
    FOSGEN1
    Level 27  
    Grubixcin7 wrote:
    I can't upload the picture because it's too big

    then remove the bezel and glass. It should come in.
    If it's just the cap, unscrew it. If the air does not want to escape, you can gently insert a toothpick or a match into the center of the hole and press it slightly, because as I remember, the vents can hang. Screw the cap back on after you've finished venting. So that there were no surprises like an uncontrolled leak.
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  • #8 11646074
    Grubixcin7
    Level 9  
    This is what it looks like (photo attached). under this hood there is a thread and there is something inside
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  • #9 11646082
    Grubixcin7
    Level 9  
    This is what it looks like (photo attached). under this cap there is a thread and there is something plastic inside that I can't push in or anything. After opening the valve slightly, some liquid leaked out. That tube that leads to that valve at the top is warm.
    Attachments:
  • Helpful post
    #10 11646210
    Nemonek
    Level 27  
    Hmm, it looks like an automatic air vent to me and in your case it should be enough just to open this valve below and if there is no slight hiss and the radiator still does not heat, it would mean that the vent is clogged
  • #11 11646267
    Grubixcin7
    Level 9  
    This valve turns only a little in each direction and does not hiss, do not feel the escaping air.
  • #12 11646490
    Zbigniew Rusek
    Level 38  
    This vent (automatic) is probably clogged or damaged. In general, radiators most often get air on the top floor of the building.
  • #13 11646527
    Grubixcin7
    Level 9  
    And how can i deal with it...??
  • #14 11647412
    Nemonek
    Level 27  
    Zbigniew Rusek wrote:
    In general, radiators most often get air on the top floor of the building.

    That's right, especially with malfunctioning automatic air vents.
    Unscrew it completely and leave only the valve below, then slowly open the valve that is left. In order not to get splashed and burn yourself, put a folded towel on top several times. When liquid appears, close this valve, wait a while and try to repeat the treatment if necessary. If the breather was faulty, however, install a new one, after replacing the valve, leave the valve open.
  • #15 11648403
    Grubixcin7
    Level 9  
    But that valve down there only turns 25 degrees back and forth. If I unscrew the upper one, the lower one will move more??

    Thank you for all the help you have given me :)
  • #16 11648526
    Nemonek
    Level 27  
    This valve should turn 90 degrees and in this position as in the picture it is OPEN. If you can't close it and you're not prepared for the job, it's better not to unscrew the vent.
  • #17 11648874
    FOSGEN1
    Level 27  
    If you have, for example, WD40, try spraying on this valve and it may move. Ew. try to move the lever, but not by pulling, but by tapping it vigorously. That plastic thing just needs to move, but until you can close that valve, don't do it.
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Topic summary

The discussion revolves around a heating issue in a top-floor apartment where the radiators are only partially warm, indicating potential air blockage. Users suggest that the valves on the pipes above the radiators are likely air vents that may need bleeding to remove trapped air. Solutions include opening the valve to release air and checking if water flows out, indicating the radiator is filled. If the automatic air vent is clogged or malfunctioning, it may need to be unscrewed and replaced. Caution is advised to prevent burns from hot water during the process.
Summary generated by the language model.
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