Compatible with: Alton 850, 850 Engine, Alton 850, Dream 850, 850 Engine, Bauhaus 850, Dream 850, Bauhaus 850, Dream 850, Blenheim 850, Pureglow 850, Belvoir 850, Blenheim 850, Excelsior 850, Clifton 850, Excelsior 850, Clifton 850, Masquerade 850, Downton 850, Masquerade 850, Downton 850, Belvoir 850, Petrus 850, Petrus 850, Glendale 851 To be fitted by a suitably qualified/ competent person