There might be air trapped in the radiator, try bleeding.
Answer.
It's usually a flow problem. If the valves on all of the radiators are wide open, the steam will flow through the path of least...
Firstly, cast iron is made by casting process, or called as casting method, which is a type of metal fabrication method. You can compare it with forging, stamping, welding methods.Secondly, the main...
You can buy the new cast iron flanges, with the expandable O rings that push into the pipe or you'll have to do the old style or pouring lead onto a cast iron flange. The latter option should only be...
Most often because they become air/water-locked. A cast iron radiator system works by sending steam (which naturally rises) up from the lower level into each radiator. When the steam heats the cast...