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Worcester Greenstar 28CDi Compact Gas Combi Boiler ERP 7733600054
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Worcester Greenstar 28CDi Compact Gas Combi Boiler ERP 7733600054
Worcester Greenstar 28CDi hung in kitchen
Worcester Greenstar 28CDi Compact Gas Combi Boiler ERP 7733600054
Worcester Greenstar 28CDi hung in kitchen

Worcester Greenstar 28CDi Compact Gas Combi Boiler ERP 7733600054

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Item Code: 112914
Expected Delivery:  1 - 2 working days
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Need Help?  0800 181 4488
Ex. VAT £1,110.58 Inc VAT

Additional Information

Brand Worcester
Lead Time 1 - 2 working days
Boiler Type Combi
Fuel Type Natural Gas
Heating Output Range 24 - 29
DHW Flow Rate 11.4
DHW Flowrate Range < 12
Flue None
Programmer None
Output BTU/H No
Height (mm) 690
KW Output 24
Width (mm) 390
Depth 280
Warranty 5 Years
Manufacturer Part No: 7733600054


Worcester 28CDi Compact Combi Boiler ERP

The Worcester 28CDi Compact is a Gas Combination Boiler with a maximum central heating output of 24kW, meaning it can meet the heating and hot water requirements of a small to medium size property with up to 3 bedrooms and a single bathroom.

  • Central Heating Output: 24kW
  • Hot water Flow rate: 11.4 litres per minute at 35 degree temperature rise
  • Domestic hot water (DHW) output: 28kW
  • Worcester Bosch Model : 7733600054

The biggest innovation surrounding the new CDi Compact range is the size of the boilers themselves. With dimensions 690mm (h) x 390mm (w) x 280mm (d), the CDi Compacts are the smallest boilers to have ever been produced by Worcester Bosch. It’s so small that it can be installed within most kitchen cupboard spaces, making it easy to fit into your home.

The 28CDi is able to offer the highest levels of heating and hot water despite its compact dimensions and as such has been given a SEDBUK A-rating (giving you efficiency levels over 90.5%) - this can help you to save money on your heating bills. 

  • Gas Combination Boiler (Heat + Hot water)
  • SEDBUK A rating of 90.5%
  • Maximum Temperature Setting Override – Configure your boiler so it doesn’t go above a certain temperature
  • Recyclable components
  • Gains 3 x credits for Sustainable Home’s Code
  • High efficiency standby mode 
  • Simple and intelligent control options available, optimising boiler efficiency and fuel consumption
  • Condensing Boiler Technology – Maximum Efficiency
  • Comfort and ECO modes to suit hot water delivery needs
  • Modulating pump offers reduced electricity usage and minimises noise during when in use
  • Integrated frost protection (boiler and the surrounding pipes)
  • ErP Compliant
  • 5 year manufacturer warranty + 5 year guarantee on plate heat exchange and  10 year guarantee on Worcester primary heat exchanger*
  • 5 Year warranty on Greenstar Gas Boilers as standard (terms and conditions apply)
The 28CDi Compact has been revised to include a new ErP compliant pump, bringing it in line with new legislation covering new boilers and other heating appliances. ErP regulations are being put in place in an effort to reduce carbon emissions across the UK, and a new A-rated combi boiler is the perfect way to comply with this legislation.

Watch the video...

Find out more about the 28CDi Combi Boiler in the following short video:

This Combi Boiler will need a flue, as one is not supplied as standard. You can add any additional flues, extensions and controllers to your basket separately (check out the right hand side of this page for popular choices) or browse our range of ‘28CDi Boiler packs’ to purchase a Combi boiler, flue and timer at a discounted price.