Worcester Bosch is one of the most reliable and trusted boiler manufacturers and have an excellent reputation for manufacturing and engineering, and this hasn’t been lost on their condensing combi boiler range.

Worcester Bosch Greenstar 38cdi Combi

This Worcester Greenstar boiler 38dci has the capacity to provide enough water and heating for a larger family home with up to four bedrooms and two bathrooms and a high pressure shower, the hot water flows at 16.4.litres per minute and it has an excellent heating capacity at 30kw output that will run 10 to 14 radiators.

This boiler range is a market leader and is highly recommended by Which?  In a recent survey 9 out of 10 heating engineers would choose a Worcester Bosch boiler for their homes now you can’t get a better recommendation than that.

It is easy to recommend the Worcester Greenstar range as it renowned for high quality and excellent performance. With customers giving this boiler a high five for reliability. In fact it’s everything you need in a boiler as it is easy to install and has advanced features that our customers love.

Old boilers can be very inefficient 60% efficiency, with a new Greenstar condensing boilers are more than 90% efficient, so over 90p of every £1 you spend on fuel for your boiler is used for your heating and hot water whereas with your old boiler only 60p in every £1 is been spent on your heating and hot water, so you are literally losing money constantly. Buying a new boiler will help massively to reduce your bills, so buying anew boiler will help to reduce your energy bills.

Compare output and flow rate below

  • you’ll find the relevant central heating and hot water outputs for each of these boilers, as well as the flow rate you can expect to your taps:Greenstar 29CDi classic:This boiler provides an output of 30 kw to the heating and 30kwto the hot water at 12.3 litres of hot water per minute (35 degrees Celsius)
  • Greenstar 34CDi classic:This boiler will give you an output of 30 kw to the heating and 35 kw to the hot water at 14.3 litres of hot water per minute (35 degrees Celsius
  • Greenstar 38CDi classic:This boiler supplies an output of 30 kw to the heating and 40 kw to the hot water at 16.4 litres of hot water per minute (35 degrees Celsius)
  • Greenstar 42CDi classic: This boiler allows for an output of 30 kw to the heating and 42 kwto the hot water at 17.2 litres of hot water per minute (35 degrees Celsius)

    Advanced Features

    The boilers are wall hung and they can go onto your kitchen wall or in store cupboard but alas the Worcester borsch classic range will not fit into a kitchen cupboard, as they measure 760mm x 440xx x 360mm but other Worcester boilers may well do so. This is best to check with your surveyor.

    Another great feature is include the ability to range-rate the CH output to perfectly match the home’s requirement.

    A great feature of the CDi classic is the large internal siphon which eliminates the risk of your condensate pipe freezing over, along with an in-built keyless filling link provided as standard. These boilers also come with advanced energy efficient controls.


    Worcester Bosch Greenstar CDi classic combi boiler comes highly recommended by 9 out of 10 heating engineers. If you feel like this powerful boiler will fulfil your requirements contact the office for a free survey and your surveyor will assess your home and your needs and ensure you get the right boiler installed into your home

  • In Brief

worcester bosch logo
  • Excellent technology
  • Compact combi boiler
  • A rated – highest possible efficiency rating
  • Can not mount onto the wall
  • Easy to service removable side panels
  • Suited to a 3 to 4 bed 2 bath large home
  • Strong flow rate of 16.4 litres per minute
  • No water tank required.
  • Up to 10 years warranty
  • Excellent Which? reviews score of 75%

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