From Longman Dictionary of Contemporary Englishconvectorcon‧vec‧tor /kənˈvektə $ -ər/ (also convector heater) noun [countable] British English DHan electrical heater that uses hot air
Examples from the Corpus
convector• A far more efficient option is a fire which has a convector firebox to boost output.• They stole two fans and two convector radiators worth £510 from the building in Blue Barn Lane. 