Eurostat, Luxembourg. 8404 (01/1988-..) Auxiliary plant for use with boilers of heading 8402 or 8403, e.g. economizers, superheaters, soot removers and gas recoverers, condensers for steam or other vapour power units, parts thereof: CN 8404 /Exports /Unit = Prices (Euro/ton) /Partner: Estonia /Reporter: Eur27_2020 /8404:Auxiliary Plant for use With Boilers of Heading 8402 or 8403, E.g. Economizers, Superheaters, Soot Removers and gas Recoverers; Condensers for Steam or Other Vapour Power Units; Parts Thereof.