The Worcester Bosch Greenstar 2000 25kW Combi Boiler (7736902326) is a cost-effective and energy-efficient solution for smaller homes with a single bathroom. Designed with ease of installation and high performance in mind, it’s the perfect entry-level combi boiler from a trusted brand.
Key Features:
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Heating Output: 25kW – ideal for small to medium properties
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ERP Efficiency: 94% for Central Heating – A-rated for maximum energy savings
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Modulation Ratio: 1:10 – optimises gas usage for low-demand periods
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7-Year Guarantee when installed with any system filter
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Easy Installation: Pre-wired mains cable, in-line hydraulic & gas connections, flexible PRV placement
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Rear Piping Accessories: Available for added installation flexibility
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Compact & Wall-Mounted: Fits neatly in smaller spaces
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Control Compatibility: Works with Worcester RF wireless controls and all standard 230V controls
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Model: Greenstar 2000 GR2301iW 25 C NG
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Designed for: Small to medium homes with one bathroom
Reliable, efficient, and backed by Worcester Bosch’s engineering excellence, the Greenstar 2000 is a smart choice for installers and homeowners alike.





