Original Vaillant Wärmetauscher - Teilenr. 0020038572
VAILLANT ecoTEC plus 824 (2012-CURR). VAILLANT VUW316/5-5(2012-CURR) The box has been opened to show this is a genuine Vaillant spares part. VAILLANT ecoTEC plus 824 R1 (2012-CURR). VAILLANT ecoTEC plus 831 (2012-CURR).