Board for CH20P50 Ser.-Nr. A118.2007.75466 obsolete, new device SET WKA 05; 2529843 V23K GRV-04 GRV-04 (2523719) UTW 61 2003769 GKV23 049-094 TCO BOX (2549747) 2015005810. 1 WKASB1 02-06 (2591269) WKA 03 (2591011) HWN-40 V22TKHWN40 obsolete, no replacement;Filter ZE1885HCDXM see GKZE 010-094 GKDET2 049-094 SOF-N 05/SX 4 V23W + ELM CH2O P30 REPLACED BY SET WKA 03