Vaillant EcoTec Plus 824 831 837 PCB 0020132764 (0020035421) Control Panel part
This part is present in 39 different boilers in the Vaillant range including the Vaillant ecoTEC PLUS (2006-2010), ecoTEC PRO (2006-2010), ecoTEC PLUS (2005-2005), ecoTEC PLUS (2005-2005), ecoTEC PLUS (2005-2010).