Key Features: Available in central heating, electric and dual fuel formats. Arun 1460/275: 27.22Kg.  Arun 1460/360: 29.10Kg.  Arun 1460/535: 39.88Kg.  Arun 1960/275: 26.60Kg.  Arun 1960/360: 37.00Kg.  Arun 1960/535: 51.50Kg.   For pipe centres subtract 60mm from width (when mounted vertically) For dual fuel, pipe centres may differ. For our ARUN...