Deutsch 
English Electrode set (content 2 pieces, 13011129) for Elco Klöckner V-BL01.22/28, V-BL01.18/22D, V-L01.18/22/26/30D, V-BL1.20/24/28/30, EK01B.23/28/30L-NH, E01B.18/22L-Z, for Straton S oil condensing boiler up to year 2016. 6.3 mm connection, insulator length 80 mm, total length 130 mm. Replacement for 13003928.