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What do Cold Radiators Mean?

The murky depths of winter continue to dominate our lives. Therefore, it is important to ensure that your central heating system is there for you to rely on. This means that regular tests and checks will ensure that everything runs as it should. However,  you may find that cold radiators are causing you a problem.

Cold radiators are not an uncommon problem and on the whole, they should not be a cause for concern. The fix is often quick and at a low price. However, there are instances where the problem is a little trickier and this will require more attention. Therefore, what can cold radiators mean and what should you do?

Each Radiator is Cold

Have you been around your home and found that each radiator is cold? If so, the first thing to do is to check that your heating is on. As obvious as this may seem, it is possible to miss but it can often be an easy fix.

If the heating is on, then there is likely to be a problem with the boiler, plumbing or the pipework. Do not attempt to carry out any work yourself as it is illegal to do so on a gas appliance. Therefore, using Heat Firm will ensure that the issue is dealt with safely as we are Gas Safe Registered. In fact, choosing to use a professional will remove any stress and added expense.


Not all Radiators Are Cold

If some of the radiators are cold, then the problem will be isolated to those radiators. This could be solved with a fix that can be carried out at home as the problem is likely to be linked to sludge or trapped air.

Trapped Air

Are the radiators warm at the bottom but cold at the top? If so, it is likely that there is air trapped in the system. This will mean that air is preventing the hot water in the radiator from reaching the top. This can put pressure on the system so it is recommended that you release the air. This means that you will have to bleed the radiators. However, if this is a task you are not comfortable with Heat Firm are London plumbers who can sort the problem out fast.

Sludge in the Radiator

In cases where the top of the radiator is warm and the bottom is cold, it could mean you have a bigger problem on your hands. There is likely to be a thick layer of sludge sitting at the bottom of the radiators preventing the radiator from heating up. To solve this issue it will require more work which is more than likely a job for the professionals. This is because the radiator will have to be removed from the wall along with plumbing before being rinsed through. If you do attempt this then be ready for the gushing water.

If you live in London and have trouble with your radiators or boiler then give the Heat Firm, the plumbing experts a call.



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