If the radiator is cold at the bottom and warm at the top, a build-up of sludge or debris could be blocking the hot water flow. Over time, rust, limescale, and debris collect at the bottom of ...

Secret sludge build-up: If the radiator is cold at the bottom and warm at the top, this indicates a build-up of sludge or debris blocking the hot water flow. System pressure issues: Low boiler ...

Whatever the situation, there are plenty of reasons why you might want a portable oil-filled radiator that you can plug in and get toasty from wherever you are. In fact, we’ve compiled a list of ...

Why is my radiator cold at the bottom? A radiator that’s warm at the top but cold at the bottom is often a sign of hidden sludge build-up. Over time, rust, limescale, and debris collect at the ...