Worcester Greenstar CDi Classic System

Fitted from £2,282.40

The Greenstar CDi Classic System is the top of the range wall-mounted high-performance system boiler that is suitable for bigger homes with larger heating and hot water requirements.

Category: SKU: WBS-Classic-CDi Tags:


The Greenstar CDi Classic System is the top of the range wall mounted system boiler that is suitable for larger homes. This boiler can be used with the range of high efficiency Greenstore cylinders allowing stored hot water to be rapidly replenished.

Key benefits of the Worcester Greenstar CDi Classic System boiler:

  • Highest central heating output of the Greenstar system boiler range
  • Simple boiler control knobs with digital display and one button commissioning mode
  • The Classic has set the heating industry benchmark for efficiency, helping to reduce energy usage
  • Low energy pump reduces electrical usage
  • Frost protection is included, reducing frost risk if installed in a garage or a loft
  • Can be used with Greenskies solar panels for energy and cost savings
  • Choice of controls enables greater comfort and economy*
  • Large Condensesure style siphon built into the boiler – effectively eliminates frost risk**

Prices include VAT and the following:

  • Installation
  • Chemical system flush
  • Standard flue
  • Worcester Bosch Guarantee: 7 Years as standard, or 10 Years when a System Filter is included

*With installation of optional built-in diverter valve

**The Condensesure Siphon has been proven to be effective at preventing frozen condensate at -15°C for a sustained period of 48 hours. 32mm pipework must be used and should not exceed 3 metre

Additional information


Worcester Bosch

Boiler Type

System Boiler


30CDi Classic, 35CDi Classic


Worcester 7 Years, Worcester 10 Years (including System Filter)


Natural Gas, LPG

Range Specifications

Greenstar 30CDi Classic System Greenstar 35CDi Classic System
ErP Efficiency Rating – Water Heating A A
ErP Efficiency Rating – Space Heating A A
ErP Data Sheet ErP Data Sheet ErP Data Sheet
LPG model available Yes Yes
EasyControl Compatible Yes Yes
Solar Compatible Yes Yes
Control Options Yes Yes
Central heating output (kW) 30 34
Dimensions (mm) height x width x depth 760 x 440 x 360 760 x 440 x 360


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