Vaillant ecoMAX Pro 18 E & 28 E VU 230V Option Board Interface PCB 130838 BNIB
Part Number: 130838. A genuine Vaillant printed circuit board for ecoMAX VU (condensing) boilers. Vaillant ecoMAX Pro 18 E VU 186-0 2003-2007 - 41-044-30. Vaillant ecoMAX Pro 28 E VU 286-0 2003-2007 - 41-044-31.