Gain without pain ... • High efficiency condensing system boiler • Automatic boiler bypass • Anti-scale control system • Frost protection system • Electronic ignition system • Ultra-compact dimensions • 24 hour electronic programmer • No compartment ventilation required • 1 year guarantee Product Brochure   View Riva Compact HE Brochure   Installation and User   2004 Edition - June 2004 Edition - July 2004 Edition - Sept (1) 2004 Edition - Sept (2) Service   2004 Edition - June 2004 Edition - July 2004 Edition - August 2004 Edition - September   Spares   2004 Edition - Feb The 'Boiler Product & Technical Data' links on these pages are Adobe® Acrobat® PDF files. Clicking on a link will attempt to open the PDF in a separate Explorer window. As some of these technical documents are large, we recommend RIGHT-CLICKING on the link and choosing 'Save Target As' to download the file to your local hard drive before opening.