Worcester 871860492A0 Main Heat Exchanger GC No: 41-406-58.
Worcester 871860492A0 Main Heat Exchanger GC No: 41-406-58. From Worcester Bosch Greenstar 27i System ERP. 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