Vaillant 0020195461 Main Heat Exchanger GC No: 41-694-17.

Vaillant 0020195461 Main Heat Exchanger GC No: 41-694-17. From Vaillant EcoTec Plus 430 VU 306/6-5 OVZ. 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 £250.00