Top cool bottom hot
If the lower half of your radiator is hot but the top is cool then you would be write in thinking theirs a problem.When this situation occurs it normal means that theirs air trapped in the system.You can use a radiator key to release the trapped air but only start this job if the radiator is cool and the heating is off.
You only need to open one end at the top of the radiator and have a rag or dirty cloth to hand as some water may come through the bleed valve.Normally you only need to open the bleed valve one turn to release the air but you ll no when its open enough as you ll be able to hear the air hissing as it escapes.Once you start to see some water coming threw the bleed valve you can be sure that all the air has leaked out and you can now close it up,but be careful not to close it to tightly as you may need to re-bleed it at a later date.
You should go back to the particular radiator that had the problem after a week or so to check if the radiator is displaying any of the same problems it was before.If it is displaying the same problems then its likely that air is entering the system from somewhere else.
This will not be an easy fix and will most likely require a specialist come access the problem,but before you do rush out and call in some one I suggest trying a sludge removal chemical as sludge build up can display similar symptoms
All the radiators in your home are cool
If you come home one day to find that all your radiators are cool then theirs probably a sludge build up inside your heating system.When somebody says 'sludge in the system' for instance the sludge they are referring to is iron oxide that appears to look like black sludge.
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| This image shows the effect of built up sludge |
This build up is caused by corrosion inside your heating system.Your system will need to be cleared thoroughly to clear all the iron oxide that has built up,but as I mentioned earlier you can pick up radiator cleaner that cleans the sludge away.
These are just a couple of possible problems that you could experience with your radiators as your heating system inside your home is made up of many parts.
If you have any thoughts related to radiator issues then please leave a comment as I would love to hear from you. Thanks for reading and I hope this was helpful.
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