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Worcester Greenstar 4000 21kW System – White – 7733600383

£1,027.00£1,137.72 Exc. VAT

SKU WOR7733600383 Category

The Greenstar 4000 21kW System Boiler is the direct upgrade for it’s predecessor the Greenstar 21Ri and is most suited to medium sized homes with one or two bathrooms. It features a modern new design, a full colour text display that is easy to use and it is exceptionally quiet too. The Greenstar 4000 has a wide power range to meet all of your heating and hot water needs, whilst doing so efficiently.

Features & Benefits

  • Wide power range helps to reduce gas consumption and lower energy bills
  • The modern new design comes with an easy to use colour display
  • Our quietest system boiler, making it easy to live with
  • Features wireless connectivity with the Bosch EasyControl
  • Suitable for homes where the heating system includes a hot water storage cylinder
  • Can be used with Greenskies solar panels for energy and cost savings
TypeGas Boilers
Sub TypeGas System
Warranty (Years)5
Width (mm)400
Height (mm)724
Depth (mm)310
Weight (Kg)33.2
Output (Kilowatts)21
ErP Space Heating EfficiencyA
FuelNatural Gas

Delivery Time

2-3 working days

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