This may be due to paint or other residue collecting in the radiator threads during the manufacturing process.
There’s an easy fix for this. Screw a ½ inch threaded radiator insert fully into the radiator – most plumbers or heating engineers should have this on hand. This will clear the threads of any debris and should make it easier to fit the element.
There’s an easy fix for this. Screw a ½ inch threaded radiator insert fully into the radiator – most plumbers or heating engineers should have this on hand. This will clear the threads of any debris and should make it easier to fit the element.