Radiator Cold at Bottom? Causes, Fixes & When to Call a Plumber
Radiator cold at bottom is usually caused by sludge buildup (magnetite and debris) settling inside the radiator, which restricts hot water circulation. Unlike trapped air—which affects the top—cold spots at the bottom typically require system flushing or cleaning to restore proper heat flow. According to the Chartered Institute of Plumbing and Heating Engineering (CIPHE), sludge … Read more