Radiators for central heating, not electrically heated and parts thereof, of iron or steel; air heaters, hot air distributors not electrically heated, with motor fan or blower

Radiators and parts thereof; for central heating, (not electrically heated), of cast iron

Radiators and parts thereof; for central heating, (not electrically heated), of iron or steel other than cast iron

Air heaters and hot air distributors, (not electrically heated), incorporating a motor-driven fan or blower and parts thereof, of iron or steel