Call our award-winning customer care team on 01254 822691

Worcester Bosch Greenstar Condensing Combi Boiler Range

Greenstar 24i and 28i Junior Series

Central heating outputs: both models – 24kW

Hot water flow rates:  9.8 & 11.4 litres per minute* @ 35C temperature rise

  • Our entry level wall-mounted combi boiler range for smaller 1 bathroom properties
  • Compact in size, i Junior combis can be installed in a number of locations and can be used with a choice of mechanical, digital and wireless programmers.

Greenstar 25Si and 30Si series

Central heating outputs: both models – 24kW

Hot water flow rates:  10.2 & 12.3 litres per minute* @ 35C temperature rise

  • Si combis are also suitable for apartments and small to medium sized 1 bathroom properties, and offer slightly higher hot water flow rates than the i Junior series
  • Si combis allow the hot water temperature to be controlled and can be used with a wider range of optional controls
  • Si combis can also be installed in a variety of locations, including kitchens, utility rooms, bathrooms, airing cupboards, lofts or garages.

Greenstar 27CDi, 30CDi & 42CDi series

Central heating outputs: 26kW (27CDi), 30kW (30, 37 and 42CDi)

Hot water flow rates:  11.1 & 17.2 litres per minute* @ 35C temperature rise

  • Our ‘top of the range’ award-winning wall-mounted combi range, CDi appliances offer a wide choice of operating features for greater user comfort and economy with their higher central heating outputs and increased hot water flow rates
  • The higher output CDi combis can be suitable for larger two bathroom properties
  • CDi appliances are unique in that they condense in both heating and hot water modes for even greater efficiency and fuel savings. They also feature a modulating pump which reduces electricity used by the pump by up to 30%
  • An extensive choice of controls is available for use with CDi combis, including sophisticated intelligent controls which provide the ultimate in user convenience, performance and economy.

Greenstar Highflow 440CDi & 550CDi series

Central heating outputs: 29.2 & 30.6kW

Hot water flow rates:  20 & 25 litres per minute*† @ 35C temperature rise

  • A choice of two floor-standing combis which have been developed specifically for larger two bathroom properties where there is a heavier requirement for heating and hot water
  • Highflow CDi combis incorporate many of the operating features of our wall-mounted combis and can be used with mechanical, digital, wireless and intelligent controls.
Where do Calder Services operate?

Calder Services offers plumber services, boiler repairs, central heating, bathroom fitting, gas engineer services, electrician services and covers the whole of the Ribble Valley area and surrounding towns including Clitheroe, Whalley, Barnoldswick, Earby, Blackburn, Burnley, Accrington, Nelson, Colne, Longridge, Great Harwood, Brierfield, Padiham, Huncoat, Great Harwood, Clayton-le-Moors, Gisburn and many more. Please get in touch with us [HERE] for more details or feel free to call our award winning customer care team on 01254 822 691.


Get in touch
Our NameCalder Services
AddressManorfields Service Centre, Manor Road
TownWhalley, BB7 9TE
Telephone01254 822 691
emailservice@calderservices.co.uk
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© 2018 Calder Services – Heating Plumbing Electrics Clitheroe Ribble Valley Lancashire

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