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Worcester Bosch Greenstar i Junior Combi Boilers


Worcester Bosch Greenstar i Junior Combi Boilers can be wall mounted with no extra pipe work or can fit in a kitchen cupboard.

They are manufactured to suit apartments or homes with one to three bedrooms with only one bathroom.

There is only two different output flow rates available with this boiler, the 24i Junior or the 28i Junior. Worcester Bosch Greenstar i Junior Combi Boilers Compare Boiler Quotes

The 24i has flow rate of 9.8 litres per minute whereas the 28i has a flow rate of 11.4 litres per minute.

Both boilers has an efficiency rating of 90%, meaning both will save you money on energy bills and both will be environmentally friendly. Your Gas Safe engineer will recommend which size will run your home to a better standard.

The prices of the boilers not including installation fees or VAT start around £670 up to £850.

If you would prefer a boiler including installation fees, go to 


The Worcester Bosch Greenstar i Junior Combi Boilers come with different flues enabling you to fit the boiler in your desired location along with Greenskies solar panels compatibility to enhance the efficiency.

The efficiency ratings will give the properties exactly how much heating and hot water they need on demand while keeping costs low. Worcester Bosch Greenstar i Junior Combi Boilers Compare Boiler Quotes

The boilers fit with a wide variety of the Worcester Bosch controls such as- room thermostats, mechanical or digital timers and wireless programmes, all of which will help make the home comfortable and efficient.



The warranty of this boiler is 5 years parts and labour as standard.


Greenstar 24i Junior Combi H – 710 mm
W – 400 mm
D – 330 mm
9.8 l/min 24 kW 90% AND ABOVE £767.39
Greenstar 28i Junior Combi H – 710 mm
W – 400 mm
D – 330 mm
11.4 l/min 28 kW 90% AND ABOVE £854.88


SEDBUK Band A High energy efficiency
NOx Class 5- Low NOx and CO2 emissions Environmentally friendly
Compatible with Worcester’s simple mechanical timers and most of their digital programmers and room thermostats. User comfort Energy efficiency Economy
Comes with central heating control. User Comfort
Featuring Worcester keep-hot facility for instant hot water. Convenience
Compatible with Greenskies solar panels. Alternative energy option
Compact dimensions with multi-directional fluing. Siting flexibility
Wall mounting frame with no exposed pipework Easy installation
With Bosch-Worcester’s high efficiency performance and proven quality of materials and manufacture. Peace of mind
2 or 5 year Warranty until 30th June 2013 (terms & conditions apply) and 10 year guarantee on primary heat exchanger. Peace Of Mind



There is a possibility that this boiler could be discontinued.


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