What's wrong with my radiators?

Question

Hey. Some of the radiators in my home are hotter than others, do you have any idea why this may be happening? Could it just be issues with specific radiators or an issue with the entire system?

Khashaf · Accepted Answer

Most likely the radiators need balancing. Pretty much means that each radiator receives the correct share of water to keep the temperature even. The radiators too warm are receiving too much water in compared to radiators that are less warm. Balancing is a means of adjusting the flow to each radiator. Videos on YouTube will help understand the issues

Luiz · Answer

Hi, maybe your heating system needs upgrading or maybe you need a power flushing as it must have sludge at some point blocking. 
I'm both cases we recommend a heating engineer to do the job as it could be a bit complicated if you don't understand how it works. 
Thanks

Johnson · Answer

There are two reasons for this problem 
1. The radiators valve need to be balanced, by closing those ones that are very hot to direct hot water to other lukewarm radiators and bleed them in case they have air in them.
2. The valves may be faulty, if they are thermostatic valves, they should be checked and turn them fully opened

Champa · Answer

You have to balance the radiator. It’s not about the inhibitor

Andrew · Answer

Sounds like a balancing issue so some of the valves are open more than others meaning more heat is coming through different rads and the system is not balanced

Manmeet · Answer

Balancing is might be an issue if not a blockage in the radiators is also an issue

Majid · Answer

It could be a balancing issue or a problem with circulation. I would first try to balance the radiators.
If it has always been like this from new then it is defo a balancing issue..
Here is a guide to balance
https://www.onlyradiators.co.uk/blog/how-to-guides/balancing-radiators-guide
Balancing issues can be resolved at the rad valves.
However, circulation issues are more complex and could be anything from the pump to sludge build-up in the pipes.
If it is not a balancing issue then I'm afraid you need the help of a heating engineer.

Paul · Answer

The system may need to be balanced or could be sludged up or a weak pump

What's wrong with my radiators?

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