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Overview
The Worcester Bosch Greenstar 25Si Compact is a combi boiler with an output suitable for small to medium sized homes with one bathroom. Its small size and frost protection make it suitable for installing in a wide range of areas, including kitchen cupboards, utility rooms, bathrooms, airing cupboards, lofts or garages. The Greenstar Si Compact's innovative WB7 heat exchanger provides greater efficiency and reliability. This boiler pack includes a horizontal flue kit, a Greenstar system filter and Greenstar comfort I control with a room thermostat.
- Energy saving anti-cycle and modulation control
- Low lift weight
- Wall mounting jig providing pre-plumbing and rear piping as standard
- Comfort and ECO modes to suit hot water delivery needs
- Double seal siphon located at the front of the boiler for easy maintenance
- Can be installed in a standard kitchen cupboard without the need for ventilation
- ErP A rated
- 7 years guarantee extended to 8 years when installed with any Greenstar system filter
Technical specification
Years Guaranteed7Width390 mmTypeGas Combi Boiler PackSolar CompatibleNoSEDBUK SAP 2009 RatingBSEDBUK SAP 2005 RatingARegistered with the Energy Savings TrustYesNox Class5Noise Level52 dBMaximum Vertical Flue 125mm15 mMaximum Vertical Flue 100mm6 mMaximum Horizontal Flue 125mm15 mMaximum Horizontal Flue 100mm6 mIncludesVertical Flue & FilterHeight690 mmHeat Output25 kWFuel TypeNatural GasExternal or InternalInternalERP RatingADepth280 mmDHW Output Min and Max7.03 to 25 kWDHW Output25 kWDHW Flow Rate at 35 Degree Rise10.2 l/minBoiler TypeCombiRange DescriptionGreenstar Si CompactManufacturer Model NoGREENSTAR1Brand NameWorcester Bosch
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