VAILLANT ECOMAX PRO18E 28E & VU 186-O 286-O CALDAIA DISPLAY PCB 130839 Usato
This part is present in 4 different boilers in the Vaillant range including the Vaillant ECOmax PRO (2003-2010), ECOmax PRO (2003-2010), VU 186-O, VU 286-O. Vaillant ECOmax PRO 18 E. Vaillant ECOmax PRO 28 E.