Heatronic control panel offers clear text description and error codes for quick boiler diagnostics|,|Simple user friendly controls, including options for optimising boiler efficiency, fuel consumption and flow and temperature settings|,|Has the same compact dimensions as the Greenstar i Junior for simple replacements - (H) 880 mm x (W) 400 mm x (D) 330 mm|,|Easy service: all components within the boiler are accessible and serviceable in place and from the front|,|Excellent energy efficiency: SEDBUK SAP 2009 rating - A (with 89.6% efficiency), registered with the Energy Savings Trust and ErP A rated for both heating and hot water efficiency|,|Full 5 year guarantee on parts and labour|,|Expansion tank pre installed in boiler|,|Improved output and hot water flow rates|,|Benchmark menu within the boiler control software also simplifies completion of the Benchmark logbook|,|Larger CondenseSure style syphon to tackle the issue of frozen condensate 1