How to Clean a Cast Iron Radiator
by Aisha Jordan from Lifehacker on (#5BECV)
Cast iron radiators have been around since the 1860s, using steam to heat the accordion-shaped coils and keep rooms warm during the winter. A central boiler heats water, creating steam that rises through the pipes and into the radiators, and the tightly folded coils retain heat for longer, staying hot even once the...