** Please note that Worcester Bosch has now replaced this range with boilers from the Worcester Bosch Lifestyle range.

Worcester Bosch Greenstar CDi Classic

The Greenstar CDi Classic range consists of a variety of boilers that are designed to provide homeowners with effective and efficient central heating. With boilers available in a range of different outputs, finding a suitable system for your home could be an easy task.





Boilers in the Worcester Bosch Greenstar CDi Classic range

The combi boilers within Worcester Bosch’s CDi Classic range are manufactured to deliver hot-water and heating without using an excessive amount of energy. Boilers in this range include:


29CDi Classic

This boiler could suit the needs of a home that has 3-4 bedrooms, 15 radiators and 1-2 bathrooms.

34CDi Classic

This system could be suitable for a home with 3-4 bedrooms, 15 radiators, 1-2 bathrooms and slightly higher than average hot-water demands.

38CDi Classic

At 38kW, this boiler could suit the needs of a home with 4 or more bedrooms, 20 radiators and 2 or more bathrooms.


42CDi Classic

With the highest kW output in the CDi Classic range, this boiler could be suitable for a property that has 4 or more bathrooms, 20 radiators, 2 or more bathrooms and a slightly higher than average demand for hot-water.


Key features

  • Highest hot-water flow rate in Worcester Bosch’s Greenstar combi wall mounted range.
  • Awarded Which? Best Buy status
  • Simple boiler controls
  • Frost protection included
  • A-rated for efficiency
  • Clear temperature display
  • Compact dimensions


About the Worcester Bosch Greenstar CDi Classic range

If you want to save space in your home but also want to avoid compromising the quality of central heating, a boiler from Worcester Bosch’s Greenstar CDi Classic range could be a suitable choice for you.

Designed to be compact in size, boilers in this range do not require any additional tanks or cylinders, nevertheless they have the highest hot-water flow rate in the brand’s wall-mounted combi boiler range.

Designed with simple boiler controls and a clear temperature display, controlling your home heating could be easy to do. These boilers are also compatible with selected smart heating controls, so you could have the power to access and adjust your home heating settings whilst on the move.

Through HomeServe, CDi Classic combi boilers come with up to 10 years’ manufacturer-backed warranty to provide customers like you with peace of mind in knowing that should a fault or breakdown occur with your system within its warranty period, the manufacturer could conduct a repair or replacement at no additional cost***.

Interested in getting a boiler from the Worcester Bosch CDi Classic range installed into your home? Try our free online quote tool to get to the next step in your new boiler installation.

*5% online discount is available to domestic gas and LPG customers who receive an online quote for all boiler brands excluding the Ideal Logic HE24, HE30, HO15 & HO18 and Worcester Bosch 25i ERP, 30i ERP, 15ri & 18ri boilers which qualify for the winter bundles offer. £50 additional discount available on all like-for-like system swaps and a £100 additional discount is available on conventional to combi, and combi to conventional boiler swaps. Online discounted price is only available for the duration of the 14-day quote validity which starts from the day the quote was given. Help-Link UK Ltd include a filter as part of your quote as this is highly recommended by the boiler manufacturer as a key component in maintaining boiler health, functionality and may potentially be looked upon favourably by manufacturers when assessing warranty work. This filter can be removed at the customer's request. Quote also includes a programmable thermostat for all combi boiler installations as this is a legal requirement as part of the Boiler + legislation introduced 6th April 2018, and cannot be removed from the installation unless; it is replaced with an alternative smart thermostat; or another energy saving measure as listed in the Boiler + legislation or if a smart thermostat already exists within the property. Alternative thermostats, including smart thermostats are subject to an additional charge.

***Subject to an annual service at the customer's expense. Warranty extension from 5-years to 10-years only available on Worcester Bosch and Ideal gas boilers and may be subject to an additional charge.