The new Worcester Greenstar i boiler arrives!

Worcester, Bosch Group has launched the latest gas-fired combi boiler to join its market leading range. 

The Greenstar i boasts enhanced performance and A-rated annual efficiency, alongside a host of features which make it optimised for social housing schemes. 

Improving on the popular features of the Greenstar i Junior which remains the UK’s best-selling condensing boiler, the new model is available in combi outputs of 25kW and 30kW, and has been developed to deliver improved water performance in small to medium sized properties with one bathroom. 

To streamline servicing and maintenance, a number of changes have been made to the internal components. The fan can now be removed for cleaning purposes without the seal on the combustion chamber being disturbed and subsequently require replacement, while the expansion vessel can be removed and replaced without needing to take the boiler off the wall mounting jig to do so. This makes is easier for us servicing engineers to annually service your boiler. 

The Heatronic control panel showcases an all-improved interface, with text descriptions or error codes which are communicated through the enhanced control panel, making it simple for tenants to use. Additionally, the Basic adjust mode, which offers ‘lockable’ end user controls, prevents accidental adjustments when the boiler is insitu and consequently, costly call outs are easily avoided.  

In response to the challenge posed by frozen condensate in the winter months, the Greenstar i has been engineered to contain a larger condensate siphon – ensuring an uninsulated, externally routed condensate pipe connected to the new boiler will not freeze in sustained temperatures of -15°C for up to 48 hours.

The Greenstar i is also available in a range of system variants, of 9, 12, 15, 18, 21 and 24 kW, enabling installers to provide precise sizes dependent on a property’s needs. The compact design also ensures the boiler’s suitability for a variety of locations including kitchens, utility rooms, bathrooms, and airing cupboards.  


For more information visit the Worcester website or contact us if you'd like one of these boilers installed or serviced in your home by one of our Gas Safe Engineers.