Encyclopedia
Convector
convector: A heating appliance that primarily transfers heat through free convection.
A convector, as a rule, consists of a heating element and a casing forming an unheated channel for natural convection
Source: "GOST 31311-2005. Heating Appliances. General Technical Conditions"
(introduced into force by Order of Rosstandart dated April 26, 2006 No. 80-st)