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The Greenstar Si Compact combi boiler is suitable for small to medium sized homes with one bathroom. It has a host of performance-enhancing features inlcuding it's revolutionary WB7 heat exchanger allowing the appliance to achieve hot water flow rates of up to 12.3 litres/min. The appliance features an LCD display which shows status, commissioning features and diagnostics info and comes supplied with a robust, metal wall mounting jig in addition to a range of other key features to ease installation, maintenance and servicing.