Can be used on all UK water heating systems. But can be bought separately. Note: You should better use radiator feet for below sizes of 4 column radiators, because they are too heavy: 300x830mm 4 Column, 300x1010mm 4 Column, 300x1190mm 4 Column, 300x1460mm 4 Column, 600x830mm 4 Column, 600x1010mm 4 Column, 600x1190mm 4 Column, 600x1460mm 4 Column, 1500x560mm 4 Column, 1800x470mm 4 Column, 1800x560mm 4 Column. Combining high-quality heating products with excellent customer service, Home Galaxy is committed to ensuring the range of exceptional home and garden products at the best possible prices, with quick and professional service at the heart of everything we do.