Respond to these showcases www. ajplus. co. uk/ajdirect Readers may obtain information about these products by filling in the enquiry numbers on an AJ enquiry card. Advertisers wishing to promote their products on these pages should contact Chris Bond on 020 75056816 Buderus, Europe's largest condensing-boiler manufacturer, has launched the GB162 range of commercial energy-effi cient boilers in the UK. The GB162 is a high performance, wall-hung gas condensing boiler that has been designed for use in a large variety of commercial applications.