Vaillant 509143 Connection Piece (brass) GC No: 41-044-45
Vaillant 509143 Connection Piece (brass) GC No: 41-044-45. From Vaillant EcoTEC Plus 615 VU 156/3-5 R1. 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 £25.00