When a radiator heats up normally and then cools down again while the rest of the system continues running, it usually indicates an imbalance in how hot water is circulating. The radiator is receiving...
When one radiator takes much longer to heat than the others, it’s usually a sign that circulation to that radiator is weaker than it should be. Radiators don’t all warm up at exactly the same pace, bu...
When a radiator only heats properly after the boiler temperature is turned right up, it is signalling a circulation weakness rather than a lack of heat. In UK heating systems, this behaviour usually m...
When one radiator stays completely cold while every other radiator in the house heats normally, the problem is almost always local to that radiator rather than anything wrong with the heating system a...
When a radiator is hot on one side and cold on the other, the uneven pattern often looks confusing but is usually very specific. In UK heating systems, this behaviour nearly always points to restricte...
When a radiator is warm at the bottom but cold at the top, the pattern usually points to a circulation issue rather than a fault with the radiator itself. In UK heating systems, this behaviour is extr...
When a radiator stays completely cold while the rest of the heating appears to work, it usually feels like the problem is isolated and stubborn. The boiler runs, other rooms begin to warm, yet one rad...
Bleeding a radiator is often the first thing people try when it fails to heat properly, and in many cases it works. When bleeding makes no difference and the radiator stays cold, it usually means the ...
When the upstairs heats properly but the ground floor stays cold, or when one floor consistently outperforms the other regardless of how long the heating has been running, the cause is almost never th...
Radiators that take a long time to warm up, or that never seem to get properly hot regardless of how long the heating runs, are usually telling you something about how well water is moving through the...