GC No: 41-694-25.

Vaillant 0020210204 Wiring Harness With Coding Resistor GC No: 41-694-25. From Vaillant EcoTec Plus 630 VU 306/5-5. All our parts are stripped from brand new unused boilers, what you see with the part is what you get. Bargain Buy it NOW for only £20.00